Puzzling situation: XP clients cannot ping server while W7 clients can
We have an SBS 2011 server with XP and Win7 clients. The server provides DHCP and DNS services. Clients are all DHCP.
Another DHCP server was on the network, which caused the 2011 box to shut down DHCP services. We have fixed that and all is working now, but....
While troubleshooting, we found differences between the behavior of XP and W7 machines. All could still connect to the internet and ping the gateway. But only the W7 machines could communicate with the server (email, ping, DNS, RDP).
The XP machines could not even ping the server's IP address. Around 5-6 of each client OS were examined and the results were consistent. Examples of configurations are as follows:
Server
IP: 192.168.3.1
SM: 255.255.252.0
GW: 192.168.3.2
DNS: 192.168.3.1, 8..8.8.8
W7 client
IP: 192.168.0.20
SM: 255.255.252.0
GW: 192.168.3.2
DNS: 192.168.3.1, 8.8.8.8
DHCP: 192.168.3.1
XP client
IP: 192.168.1.26
SM: 255.255.252.0
GW: 192.168.3.2
DNS: 192.168.3.1, 8.8.8.8
DHCP: 192.168.3.1
Also, upon booting an XP machine, it would not get any IP address. After booting a W7 box, it would have the appropriate IP configuration and we were able to RDP to the server and browse the internet.
As I said, everything is working now after removing the foreign DHCP server, but we found the behavior odd and would like to understand why there were differences between the two client platforms.
Well, I can't really do this now, because everything is working. I know - why waste time trying to fix something that isn't broken. It just doesn't make sense to me.
I am just trying to determine why XP machines behaved in one way and W7 machines in another - but only while the DHCP service was down on the SBS box. I looked at several of each, so I don't think I was a problem with the IP stack, unless
all XP clients had the same issue at the same time, and all spontaneously resolved when the DHCP server came back up.
I tested multiple XP machines and multiple W7 machines in multiple buildings, so I'm confident that the problem was platform-specific.
Similar Messages
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Cannot ping LAN IP Address but can ping WAN IP Address. Please help
I have LinkSys Wireless Access Point Router, after I upgrade the firmware from another router I can ping the WAN IP ADdress but I cannot ping the LAN IP address, please help.
thanksI have two Networks here.
1st Network (6th Floor)
-- I have Cisco VPN Concentrator, Cisco Router and 3Com Switches
-- My PDC Server also located
-- IP Range 10.11.10.x
-- Gateway 10.11.10.6
2nd Network (10th FLoor)
-- I have Linksys Wireless (WIreless G Broadband Rotuer w/4 Port Switch Model: WRT54G)
-- I have 3Com Switch
-- The Internet Port of the Linksys is connected directly to 6th floor 3com switch
-- The Lan Port of the Linksys is connected to the 10th FLoor 3com switch then the server and workstations all connected to the 10th Floor 3 Com Switch
-- IP Range 192.168.85.x
-- Gateway 192.168.85.1
-- Internet IP Address of the Wireless
IP: 10.11.10.11
SM: 255.255.255.0
GW: 10.11.10.6
-- Local IP Address of the Wireless
IP: 192.168.85.1
SM: 255.255.255.0
Firmware: 4.21.1
This what happen
1) Users, SErvers, computers located at 10Th Floor dont have a problem connecting to the servers and computers at 6th Floor (10.11.10.x)
2) Users, Servers and computers located at 6th Floor CANNOT CONNECT to the Servers, computers located at 10th FLoor
3) After firmware upgrade, servers and computer can ping Linksys Internet IP of 10.11.10.11
What we require.
WE NEED TO CONNECT COMPUTERS, SERVERS FROM 6TH FLOOR TO 10TH FLOOR AS WELL. MEANING WE WANT BOTH NETWORK PING OR SEE EACH OTHER
YOUR HELP IS GREATLY APPRECIATED
THANKS A LOT
CYNTHIA -
I have a box that I cannot get past. It says cannot verify server identity. How can I get rid of it?
I cannot get past a box that says "cannot verify server identity"
Try just holding down the power button and restarting. I've no idea what you're talking about but if it's a file copy, move, etc., it shouldn't take 3-4 days.
Power down. Power up.
Clinton -
Safari cannot find server-any other browser can
Recently Safari started telling me that it cannot load webpages because the server cannot be found. Any other browser can load these pages correctly.
The webpages that Safari picks out are completely random and change from day to day.I had the same problem, made a little search and found that there are some problems with DNS on leopard if you´re interested to know a little try this page:
http://blog.jungledisk.com/2007/10/31/leopard-dns-issues-and-work-around/
changing the DNS helped me a lot so try this to have a better way to improve your safari experience:
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Cannot ping from zone or ping zone from another server
Hi all,
I've just setup a zone, configured the OS on it and booted it.
1) From the global zone I can ping the zone
2) From another server(s) I cannot ping the zone although I can ping the global zone
3) From the zone I cannot even ping the global zone let alone anything else
Any ideas whats gone wrong. the zone xml looks like:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE zone PUBLIC "-//Sun Microsystems Inc//DTD Zones//EN" "file:///usr/share/lib/xml/dtd/zonecfg.dtd.1">
<!--
DO NOT EDIT THIS FILE. Use zonecfg(1M) instead.
-->
<zone name="ivcp0.lon.oss.colt.net" zonepath="/zones/ivcp0.lon.oss.colt.net" autoboot="true">
<inherited-pkg-dir directory="/lib"/>
<inherited-pkg-dir directory="/platform"/>
<inherited-pkg-dir directory="/sbin"/>
<inherited-pkg-dir directory="/usr"/>
<inherited-pkg-dir directory="/opt/sfw"/>
<filesystem special="/home" directory="/home" type="lofs"/>
<network address="212.74.77.211/25" physical="bge1"/>
</zone>
zoneadm list -vc
ID NAME STATUS PATH
0 global running /
2 ptl1.lon.oss.colt.net running /zones/ptl1.lon.oss.colt.net
3 ptl1.dev.lon.oss.colt.net running /zones/ptl1.dev.lon.oss.colt.net
7 ivcp0.lon.oss.colt.net running /zones/ivcp0.lon.oss.colt.netMight help to send along the "ifconfig -a" and "netstat -rnv" output from both the global zone and the local zones that are having problems.
Traceroute might also help you isolate the problem -
Cisco 1941 Router-on-a-Stick w/ 11VLANs trunked to a Cisco 2960: From the Switch I can Ping a device in another VLAN, that device cannot ping back. Some devices can ping devices in other VLANs and the device in the other VLAN can successfully return the Ping. Have a look at the attached diagram.
Router Config:
show run
Building configuration...
Current configuration : 7224 bytes
! Last configuration change at 09:05:48 EDT Wed Aug 6 2014
version 15.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
hostname ROUTER
boot-start-marker
boot-end-marker
no aaa new-model
clock timezone EDT -8 0
ip cef
ip name-server 8.8.8.8
no ipv6 cef
multilink bundle-name authenticated
license udi pid CISCO1941/K9
object-group network Net_Obj_Group1
description This network group allows all 10.0.0.0 and Email Forwarder server through to the Plt PCs
205.191.0.0 255.255.0.0
10.0.0.0 255.0.0.0
object-group network Net_Obj_Group2
description This Network Group includes the Host IPs allowed through the Plant Router
host 10.194.28.23
host 10.194.28.25
host 10.194.28.26
host 10.194.28.27
host 10.194.28.28
host 10.194.28.29
host 10.194.28.37
host 10.194.28.39
host 10.194.28.40
host 10.194.28.70
host 10.194.28.130
host 10.194.28.131
host 10.194.28.132
host 10.194.28.133
host 10.194.28.134
host 10.194.28.135
host 10.194.28.136
host 10.194.28.137
host 10.194.28.138
host 10.194.28.139
host 10.194.28.140
host 10.194.28.141
interface Embedded-Service-Engine0/0
no ip address
shutdown
interface GigabitEthernet0/0
description Port Ge0/0 to IT Enterprise network Switch GE1/0/38
ip address 10.194.28.111 255.255.255.0
ip access-group 105 in
ip access-group 106 out
ip nat outside
ip virtual-reassembly in
shutdown
duplex full
speed auto
no mop enabled
interface GigabitEthernet0/1
description Port to Plant PCN-K/L24 Sw1 Port 0/24
no ip address
duplex auto
speed auto
no mop enabled
interface GigabitEthernet0/1.102
description Port to VLAN 102
encapsulation dot1Q 102
ip address 192.168.102.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.104
description Port to VLAN 104
encapsulation dot1Q 104
ip address 192.168.104.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.105
description Port to VLAN 105
encapsulation dot1Q 105
ip address 192.168.105.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.106
description Port to VLAN 106
encapsulation dot1Q 106
ip address 192.168.106.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.107
description Port to VLAN 107
encapsulation dot1Q 107
ip address 192.168.107.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.111
description Port to VLAN 111
encapsulation dot1Q 111
ip address 192.168.111.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.117
description Port to VLAN 117
encapsulation dot1Q 117
ip address 192.168.117.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.121
description Port to VLAN 121
encapsulation dot1Q 121
ip address 192.168.121.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.125
description Port to VLAN 125
encapsulation dot1Q 125
ip address 192.168.125.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.150
description Port to to VLAN 150
encapsulation dot1Q 150
ip address 192.168.150.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
interface GigabitEthernet0/1.999
description Port to VLAN 999
encapsulation dot1Q 999
ip address 192.168.0.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
ip forward-protocol nd
ip http server
no ip http secure-server
ip nat inside source static 192.168.102.201 10.194.28.23
ip nat inside source static 192.168.121.201 10.194.28.25
ip nat inside source static 192.168.106.251 10.194.28.26
ip nat inside source static 192.168.107.245 10.194.28.27
ip nat inside source static 192.168.102.251 10.194.28.28
ip nat inside source static 192.168.150.201 10.194.28.29
ip nat inside source static 192.168.107.179 10.194.28.37
ip nat inside source static 192.168.111.201 10.194.28.39
ip nat inside source static 192.168.105.201 10.194.28.40
ip nat inside source static 192.168.106.21 10.194.28.70
ip nat inside source static 192.168.107.146 10.194.28.130
ip nat inside source static 192.168.107.156 10.194.28.131
ip nat inside source static 192.168.107.161 10.194.28.132
ip nat inside source static 192.168.107.181 10.194.28.133
ip nat inside source static 192.168.107.191 10.194.28.134
ip nat inside source static 192.168.106.202 10.194.28.135
ip nat inside source static 192.168.106.212 10.194.28.136
ip nat inside source static 192.168.117.190 10.194.28.137
ip nat inside source static 192.168.117.100 10.194.28.138
ip nat inside source static 192.168.106.242 10.194.28.139
ip nat inside source static 192.168.125.100 10.194.28.140
ip nat inside source static 192.168.125.99 10.194.28.141
ip nat outside source static 10.194.28.23 10.194.28.23
ip nat outside source static 10.194.28.25 10.194.28.25
ip nat outside source static 10.194.28.26 10.194.28.26
ip nat outside source static 10.194.28.27 10.194.28.27
ip nat outside source static 10.194.28.28 10.194.28.28
ip nat outside source static 10.194.28.29 10.194.28.29
ip nat outside source static 10.194.28.37 10.194.28.37
ip nat outside source static 10.194.28.39 10.194.28.39
ip nat outside source static 10.194.28.40 10.194.28.40
ip nat outside source static 10.194.28.70 10.194.28.70
ip nat outside source static 10.194.28.130 10.194.28.130
ip nat outside source static 10.194.28.131 10.194.28.131
ip nat outside source static 10.194.28.132 10.194.28.132
ip nat outside source static 10.194.28.133 10.194.28.133
ip nat outside source static 10.194.28.134 10.194.28.134
ip nat outside source static 10.194.28.135 10.194.28.135
ip nat outside source static 10.194.28.136 10.194.28.136
ip nat outside source static 10.194.28.137 10.194.28.137
ip nat outside source static 10.194.28.138 10.194.28.138
ip nat outside source static 10.194.28.139 10.194.28.139
ip nat outside source static 10.194.28.140 10.194.28.140
ip nat outside source static 10.194.28.141 10.194.28.141
ip route 0.0.0.0 0.0.0.0 10.194.28.1
access-list 105 permit ip object-group Net_Obj_Group1 object-group Net_Obj_Group2
access-list 106 permit ip object-group Net_Obj_Group2 object-group Net_Obj_Group1
dialer-list 1 protocol ip permit
control-plane
banner login ^CC
Login banner for Plant Router #01^C
banner motd ^CC
MOTD Banner for Plant Router^C
line con 0
password XXXXXXXXX
logging synchronous
login
line aux 0
line 2
no activation-character
no exec
transport preferred none
transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
stopbits 1
line vty 0 4
password XXXXXXXXX
logging synchronous
login
transport input all
scheduler allocate 20000 1000
ntp server 10.199.100.92
end
Switch Config:
sh ru
Building configuration...
Current configuration : 6513 bytes
version 12.2
no service pad
service timestamps debug uptime
service timestamps log datetime localtime show-timezone
service password-encryption
hostname K24Sw01
boot-start-marker
boot-end-marker
no aaa new-model
clock timezone EDT -5
clock summer-time EDT recurring
udld aggressive
crypto pki trustpoint TP-self-signed-593746944
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-593746944
revocation-check none
rsakeypair TP-self-signed-593746944
4B58BCE9 44
quit
spanning-tree mode pvst
spanning-tree extend system-id
vlan internal allocation policy ascending
interface FastEthernet0
no ip address
interface GigabitEthernet0/1
description Trunk port for vlans 105, 111, 125 and 999 from K24Sw01 port Ge0/1 to P22Sw01 port Ge0/24
switchport trunk allowed vlan 105,111,125,999
switchport mode trunk
interface GigabitEthernet0/2
description Trunk port for vlans 150 and 999 from K24Sw01 port Ge0/2 to N25Sw01 port Ge0/26
switchport trunk allowed vlan 150,999
switchport mode trunk
interface GigabitEthernet0/3
description Trunk port for vlans 102, 104, 106, 107, 117 and 999 from K24Sw01 port Ge0/3 to K28Sw01 port Ge0/26
switchport trunk allowed vlan 102,104,106,107,117,999
switchport mode trunk
interface GigabitEthernet0/4
description Trunk port for vlans 102, 106, 107 and 999 from K24Sw01 port Ge0/4 to H23Sw01 port Ge0/26
switchport trunk allowed vlan 102,106,107,999
switchport mode trunk
interface GigabitEthernet0/5
description Trunk port for vlans 121, 125 and 999 from K24Sw01 port Ge0/5 to M21Sw01 port Ge0/24
switchport trunk allowed vlan 121,125,999
switchport mode trunk
interface GigabitEthernet0/6
description OPEN
spanning-tree portfast
interface GigabitEthernet0/7
description OPEN
spanning-tree portfast
interface GigabitEthernet0/8
description OPEN
spanning-tree portfast
interface GigabitEthernet0/9
description OPEN
spanning-tree portfast
interface GigabitEthernet0/10
description VLan 102 access port
switchport access vlan 102
spanning-tree portfast
interface GigabitEthernet0/11
description - VLan 104 access port
switchport access vlan 104
spanning-tree portfast
interface GigabitEthernet0/12
description - VLan 105 access port
switchport access vlan 105
spanning-tree portfast
interface GigabitEthernet0/13
description - VLan 106 access port
switchport access vlan 106
spanning-tree portfast
interface GigabitEthernet0/14
description - VLan 107 access port
switchport access vlan 107
spanning-tree portfast
interface GigabitEthernet0/15
description - VLan 111 access port
switchport access vlan 111
spanning-tree portfast
interface GigabitEthernet0/16
description - VLan 117 access port
switchport access vlan 117
spanning-tree portfast
interface GigabitEthernet0/17
description - VLan 121 access port
switchport access vlan 121
spanning-tree portfast
interface GigabitEthernet0/18
description - VLan 125 access port
switchport access vlan 125
spanning-tree portfast
interface GigabitEthernet0/19
description - VLan 150 access port
switchport access vlan 150
spanning-tree portfast
interface GigabitEthernet0/20
description - VLan 999 access port
switchport access vlan 999
spanning-tree portfast
interface GigabitEthernet0/21
description OPEN
spanning-tree portfast
interface GigabitEthernet0/22
description OPEN
spanning-tree portfast
interface GigabitEthernet0/23
description OPEN
spanning-tree portfast
interface GigabitEthernet0/24
description From ROUTER Gw ge0/1
switchport trunk allowed vlan 102,104-107,111,117,121,125,150,999
switchport mode trunk
interface GigabitEthernet0/25
interface GigabitEthernet0/26
interface Vlan1
no ip address
no ip route-cache
shutdown
interface Vlan102
ip address 192.168.102.253 255.255.255.0
interface Vlan104
no ip address
no ip route-cache
interface Vlan105
no ip address
no ip route-cache
interface Vlan106
no ip address
no ip route-cache
interface Vlan107
no ip address
no ip route-cache
interface Vlan111
no ip address
no ip route-cache
interface Vlan117
no ip address
no ip route-cache
interface Vlan121
no ip address
no ip route-cache
interface Vlan125
no ip address
no ip route-cache
interface Vlan150
no ip address
no ip route-cache
interface Vlan999
no ip address
no ip route-cache
ip default-gateway 192.168.102.1
ip http server
ip http secure-server
snmp-server engineID local 00000009020000019634C2C0
snmp-server community public RO
snmp-server location
snmp-server contact
banner motd ^CCC ADMIN USE ONLY! ^C
line con 0
session-timeout 10
password xxxxxx
logging synchronous
login
stopbits 1
line vty 0 4
session-timeout 10
password xxxxxxx
login
line vty 5 15
session-timeout 10
password xxxxxxxx
login
ntp server 10.199.100.92
end
K24Sw01#HI Mark,
Here is the my config:
Create sub-interfaces, set 802.1Q trunking protocol and ip address on each sub-interface
Router(config)#interface f0/0
Router(config-if)#no shutdown
(Note: The main interface f0/0 doesn’t need an IP address but it must be turned on)
Router(config)#interface f0/0.10
Router(config-subif)#encapsulation dot1q 10
Router(config-subif)#ip address 192.168.10.1 255.255.255.0
Router(config-subif)#interface f0/0.20
Router(config-subif)#encapsulation dot11 20
Router(config-subif)#ip address 192.168.20.1 255.255.255.0
(Note: In the “encapsulation dot1q 10″ command, 10 is the VLAN ID this interface operates in)
Configure VLAN
Switch(config)#vlan 10
Switch(config-vlan)#name SALES
Switch(config-vlan)#vlan 20
Switch(config-vlan)#name TECH
Set ports to access mode & assign ports to VLAN
Switch(config)#interface range fa0/1
Switch(config-if)#no shutdown
Switch(config-if)# switchport mode access
Switch(config-if)# switchport access vlan 15
Switch(config-if)#interface range fa0/3
Switch(config-if)#no shutdown
Switch(config-if)#switchport mode access
Switch(config-if)# switchport access vlan 20
Switch(config-if)#interface range fa0/5
Switch(config-if)#no shutdown
Switch(config-if)#switchport mode trunk
1. Please check all your port are up.
2. Check the config once again.
3. Make sure the swicth and router connection port configured as trunk and it should be up.
This config is working for me,
Regards
Dont forget to rate helpful posts. -
Hi all,
I have decided to add a separate vlan/wlan to the network. This interface uses port 1 (My management interface uses port 2). I have connected the port to a router, which is connected to a gateway.
I checked and the routing is done correctly. When I connect a pc to the router, I have access to internet. However, when I connect to the wlan that's associated with the vlan on port 1, I not only cannot access internet, but also cannot ping the router.
I can ping the interface when I connect to the wlan. However, I cannot ping the router.
The same thing happens when I connect my pc to the router. I cannot ping the interface as well.
Is there something that I am missing? It seems that there is a connectivity issue in the connection between port 1 and the router. Should I try using a crossover cable and see if it solves my problem?
Thanks!
TibetYour diagram is very clear. You have few options here
Option 1
WLC port 1 & Router LAN port onto your switch (rather directly connecting router to WLC). In this way WLC connected switch port should be configured as trunk port & router connected switchport should be configured as access port for the vlan belongs to 10.0.0.0/24 network.
If you are thinking about creating multiple WLANs (in futrue) with your router as LAN gateway, then you should configure router connected switchport as trunkport & subinterface on your router LAN interface.
Option 2
Aggregate WLC port 1-2 into one single port channel & create a single trunk link between WLC & Switch. In this way you will get more bandwith for your user traffic.(usually mgt does not want dedicated 1G link). Then configure Router LAN interface connected switchport as access port (if you only require single WLAN) or trunk port (if you require multiple WLAN)
I prefer option 2 because of its flexibility & scalability. Let us know your choice & then accordingly we can help you to get this done.
Also post your WLC "show sysinfo" as well.
HTH
Rasika
**** Pls rate all useful responses **** -
IPV6 clients cannot ping each other while getting IP from DHCP server running in windows 2008
I have two windows 7 clients and a windows 2008 server connected to a switch with static IP 172:16:5::1/64.
DHCP server is configured with static IP 172:16:5::20/64
when i statically assign IP to windows 7 clients like 172:16:5::21 & ::22, they can ping each other. if they get ip from DHCP server, they cannot ping each other.
if i configure the gateway (172:16:5::1) in the clients manually, they can ping each other.
is there any way we can make dhcp server to give gateway to the clients along with IP?From what I have gathered:
IPv6 won't route because the DHCP server is setup in 'stateless' mode and the switches do not support IPv6. (
"But if your routers are not IPv6 supported (yet), you can
reconfigure DHCPv6 to Disable Stateless mode, and that'll issue IPv6 addresses that
will eliminate the Ping problem." -
http://www.networkworld.com/article/2228461/microsoft-subnet/setting-up-dhcpv6-to-dynamically-issue-ipv6-addresses-in-a-network.html)
So you must change to 'disable stateless' mode. Which the only way I can THINK to do this is to uninstall DHCP and reinstall DHCP and select 'disable stateless' during the installation (which I haven't confirmed). (In
case, “Disable DHCPv6 stateless mode for this server” option was selected duringrole installation" -
http://blogs.technet.com/b/teamdhcp/archive/2009/03/03/dhcpv6-understanding-of-address-configuration-in-automatic-mode-and-installation-of-dhcpv6-server.aspx)
zz.. but my understanding of DHCP is fragmented, please take what I find with a grain of salt. I am off to reinstall DHCP :] .. fun.
Mediocre Access 2010 | (Baby) Beginner C Sharp | OK at Active Directory (2012) | Fragmented understanding of DNS/DHCP | Laughable experience with Group Policy | Expert question asker on MSDN Forums -
Cannot ping RRAS Client from RRAS server.
I have recently created an RRAS pptp connection for an outside network. The RRAS client connects fine and can ping the RRAS server and every device on the RRAS servers local network. The RRAS server cannot ping the remote pptp client nor can any device on
the RRAS servers local network. RRAS is configured to be within the same subnet as the RRAS servers local network. On connection it pulls from a static IP pool.
Any help is truly appreciatedThe server is behind a nat device and for testing purposes i have disabled the firewall on both devices. Also I am having an issue where the pptp connection just stops accepting and sending data to the rras server but if you look at the active connections
the client never disconnects. I have attached ipconfig information
CLIENT
Windows IP Configuration
Host Name . . . . . . . . . . . . : Fellows-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
PPP adapter Welsh:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Welsh
Physical Address. . . . . . . . . :
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 172.16.128.66(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Enabled
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : BC-5F-F4-75-C5-AD
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5418:aba9:4af2:1e12%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.2(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Wednesday, March 26, 2014 8:35:58 AM
Lease Expires . . . . . . . . . . : Saturday, March 29, 2014 8:35:58 AM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 247226356
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-18-C3-16-85-BC-5F-F4-75-C5-AD
DNS Servers . . . . . . . . . . . : 75.75.75.75
75.75.76.76
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter isatap.{DF8CAC0D-588D-495A-9185-78C9992DC12F}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Teredo Tunneling Pseudo-Interface:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:9d38:6abd:1c88:1312:b8c2:97a9(Pref
erred)
Link-local IPv6 Address . . . . . : fe80::1c88:1312:b8c2:97a9%12(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled
Tunnel adapter isatap.{D8973397-8880-4110-A7F9-4D1F6A1C2E8C}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
SERVER
Windows IP Configuration
Host Name . . . . . . . . . . . . : IMS
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : Yes
WINS Proxy Enabled. . . . . . . . : Yes
PPP adapter RAS Server (Dial In) Interface:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
Physical Address. . . . . . . . . : 00-53-45-00-00-00
DHCP Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 172.16.128.65
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . :
Ethernet adapter Local Area Connection:
Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : Broadcom BCM5709C NetXtreme II GigE (NDIS
VBD Client)
Physical Address. . . . . . . . . : 00-10-18-8D-BC-42
Ethernet adapter Local Area Connection 2:
Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : Broadcom BCM5709C NetXtreme II GigE (NDIS
VBD Client) #2
Physical Address. . . . . . . . . : 00-10-18-8D-BC-40
Ethernet adapter Local Area Connection 4:
Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : Broadcom BCM5716C NetXtreme II GigE (NDIS
VBD Client)
Physical Address. . . . . . . . . : 84-2B-2B-68-6A-FA
Ethernet adapter Local Area Connection 3:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom BCM5716C NetXtreme II GigE (NDIS
VBD Client) #2
Physical Address. . . . . . . . . : 84-2B-2B-68-6A-F9
DHCP Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 172.16.128.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 172.16.128.254
DNS Servers . . . . . . . . . . . : 172.16.128.254
75.75.75.75
NetBIOS over Tcpip. . . . . . . . : Disabled -
Cisco C6500 CSM - Real server cannot ping its VIP.
I've been running into an issue with Cisco CSM for a number of years, but always found a way around it. Im attempting to get to the bottom of this to find out once and for all, if this is infact a limitation of the device, or a config issue/work around is possible.
Here is my situation. My CSM's are configured in bridging mode. Traffic works great, traffic bridges across vlans correctly. Everything works and have many instances of smilar configurations running in production. Every once and a while, a client requests that a "real" server (ie LWCMW-021)
cannot ping its VIP address (10.95.88.68). I am assuming this is related to the NAT Server, but not 100% sure. Clients have requested this functionality for some type of application based purpose, but Im unaware if CSM in bridging mode can provide this or not.
Any suggestions?
real LWCMW-021
address 10.95.88.59
inservice
real LWCMW-022
address 10.95.88.60
inservice
serverfarm LWCMW-80
nat server
no nat client
real name LWCMW-021 80
inservice
real name LWCMW-022 80
inservice
probe HTTP-80 (defined elsewhere)
vserver LWCMW-80
virtual 10.95.88.68 tcp WWW
vlan 120
serverfarm LWCMW-80
persistent rebalance
inserviceSorry for giving false hope. It is only possible in ACE module. In case of CSM I believe we can only use workaround.
In case of ACE we can bind the Virtual IP to mutliple vlan. In that case we see a ARP entry like this.
10.10.10.111 e0.5f.b9.a1.72.2b vlan345 VSERVER LOCAL _ up
10.10.10.111 e0.5f.b9.a1.72.2b vlan346 VSERVER LOCAL _ up
As Virtual IP is not bound to a particular vlan in case of CSM it does not work here, but I can say for sure it is expected behavior.
The logic would be that the server tries to resolve the ARP for Virtual IP and it does not get a response.
In my case virtual ip is 10.10.10.111 before applying policy on ACE you can see that it is exhibiting the same behaviour.
Time | Vmware_b4:72:11 | 10.0.0.0 | 10.10.10.4 |
| | | Broadcast | | 224.0.0.1 | | 224.0.0.22 |
|0.000 | Who has 10.10.10.11 | | | | |ARP: Who has 10.10.10.111? Tell 10.10.10.11
| |(0) ------------------> (0) | | | | |
|0.999 | Who has 10.10.10.11 | | | | |ARP: Who has 10.10.10.111? Tell 10.10.10.11
| |(0) ------------------> (0) | | | | |
| | | | | |(0) ------------------> (0) |
|1.998 | Who has 10.10.10.11 | | | | |ARP: Who has 10.10.10.111? Tell 10.10.10.11
| |(0) ------------------> (0) | | | | |
|3.014 | Who has 10.10.10.11 | | | | |ARP: Who has 10.10.10.111? Tell 10.10.10.11
| |(0) ------------------> (0) | | | | |
|4.014 | Who has 10.10.10.11 | | | | |ARP: Who has 10.10.10.111? Tell 10.10.10.11
| |(0) ------------------> (0) | | | | |
Hope that helps. -
Need HELPS! ASA 5505 8.4 Cisco VPN Client cannot ping any internal host
Hi:
Need your great help for my new ASA 5505 (8.4)
I just set a new ASA 5505 with 8.4. However, I cannot ping any host after VPN in with Cisco VPN client. Please see below posted configuration file, thanks for any suggestion.
ASA Version 8.4(3)
names
interface Ethernet0/0
switchport access vlan 2
interface Ethernet0/1
switchport access vlan 2
interface Ethernet0/2
interface Ethernet0/3
interface Ethernet0/4
interface Ethernet0/5
interface Ethernet0/6
interface Ethernet0/7
interface Vlan1
nameif inside
security-level 100
ip address 172.29.8.254 255.255.255.0
interface Vlan2
nameif outside
security-level 0
ip address 177.164.222.140 255.255.255.248
ftp mode passive
clock timezone GMT 0
dns server-group DefaultDNS
domain-name ABCtech.com
same-security-traffic permit inter-interface
object network obj_any
subnet 172.29.8.0 255.255.255.0
object service RDP
service tcp source eq 3389
object network orange
host 172.29.8.151
object network WAN_173_164_222_138
host 177.164.222.138
object service SMTP
service tcp source eq smtp
object service PPTP
service tcp source eq pptp
object service JT_WWW
service tcp source eq www
object service JT_HTTPS
service tcp source eq https
object network obj_lex
subnet 172.29.88.0 255.255.255.0
description Lexington office network
object network obj_HQ
subnet 172.29.8.0 255.255.255.0
object network guava
host 172.29.8.3
object service L2TP
service udp source eq 1701
access-list VPN_Tunnel_User standard permit 172.29.8.0 255.255.255.0
access-list VPN_Tunnel_User standard permit 172.29.88.0 255.255.255.0
access-list inside_access_in extended permit icmp any any
access-list inside_access_in extended deny tcp any any eq 135
access-list inside_access_in extended deny tcp any eq 135 any
access-list inside_access_in extended deny udp any eq 135 any
access-list inside_access_in extended deny udp any any eq 135
access-list inside_access_in extended deny tcp any any eq 1591
access-list inside_access_in extended deny tcp any eq 1591 any
access-list inside_access_in extended deny udp any eq 1591 any
access-list inside_access_in extended deny udp any any eq 1591
access-list inside_access_in extended deny tcp any any eq 1214
access-list inside_access_in extended deny tcp any eq 1214 any
access-list inside_access_in extended deny udp any any eq 1214
access-list inside_access_in extended deny udp any eq 1214 any
access-list inside_access_in extended permit ip any any
access-list inside_access_in extended permit tcp any any eq www
access-list inside_access_in extended permit tcp any eq www any
access-list outside_access_in extended permit icmp any any
access-list outside_access_in extended permit tcp any host 177.164.222.138 eq 33
89
access-list outside_access_in extended permit tcp any host 177.164.222.138 eq sm
tp
access-list outside_access_in extended permit tcp any host 177.164.222.138 eq pp
tp
access-list outside_access_in extended permit tcp any host 177.164.222.138 eq ww
w
access-list outside_access_in extended permit tcp any host 177.164.222.138 eq ht
tps
access-list outside_access_in extended permit gre any host 177.164.222.138
access-list outside_access_in extended permit udp any host 177.164.222.138 eq 17
01
access-list outside_access_in extended permit ip any any
access-list inside_access_out extended permit icmp any any
access-list inside_access_out extended permit ip any any
access-list outside_cryptomap extended permit ip 172.29.8.0 255.255.255.0 172.29
.88.0 255.255.255.0
access-list inside_in extended permit icmp any any
access-list inside_in extended permit ip any any
access-list inside_in extended permit udp any any eq isakmp
access-list inside_in extended permit udp any eq isakmp any
access-list inside_in extended permit udp any any
access-list inside_in extended permit tcp any any
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
ip local pool ABC_HQVPN_DHCP 172.29.8.210-172.29.8.230 mask 255.255.255.0
icmp unreachable rate-limit 1 burst-size 1
asdm history enable
arp timeout 14400
nat (inside,outside) source static orange interface service RDP RDP
nat (inside,outside) source static obj_HQ obj_HQ destination static obj_lex obj_
lex route-lookup
nat (inside,outside) source static guava WAN_173_164_222_138 service JT_WWW JT_W
WW
nat (inside,outside) source static guava WAN_173_164_222_138 service JT_HTTPS JT
_HTTPS
nat (inside,outside) source static guava WAN_173_164_222_138 service RDP RDP
nat (inside,outside) source static guava WAN_173_164_222_138 service SMTP SMTP
nat (inside,outside) source static guava WAN_173_164_222_138 service PPTP PPTP
nat (inside,outside) source static guava WAN_173_164_222_138 service L2TP L2TP
object network obj_any
nat (inside,outside) dynamic interface
access-group inside_in in interface inside
access-group outside_access_in in interface outside
route outside 0.0.0.0 0.0.0.0 177.164.222.142 1
route inside 172.29.168.0 255.255.255.0 172.29.8.253 1
timeout xlate 3:00:00
timeout pat-xlate 0:00:30
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
timeout floating-conn 0:00:00
dynamic-access-policy-record DfltAccessPolicy
aaa-server Guava protocol nt
aaa-server Guava (inside) host 172.29.8.3
timeout 15
nt-auth-domain-controller guava
user-identity default-domain LOCAL
http server enable
http 172.29.8.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart warmstart
crypto ipsec ikev1 transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-DES-SHA esp-des esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-DES-MD5 esp-des esp-md5-hmac
crypto ipsec ikev1 transform-set Remote_VPN_Set esp-3des esp-md5-hmac
crypto ipsec ikev1 transform-set Remote_vpn_set esp-3des esp-md5-hmac
crypto ipsec ikev2 ipsec-proposal AES256
protocol esp encryption aes-256
protocol esp integrity sha-1 md5
crypto ipsec ikev2 ipsec-proposal AES192
protocol esp encryption aes-192
protocol esp integrity sha-1 md5
crypto ipsec ikev2 ipsec-proposal AES
protocol esp encryption aes
protocol esp integrity sha-1 md5
crypto ipsec ikev2 ipsec-proposal 3DES
protocol esp encryption 3des
protocol esp integrity sha-1 md5
crypto ipsec ikev2 ipsec-proposal DES
protocol esp encryption des
protocol esp integrity sha-1 md5
crypto dynamic-map outside_dyn_map 20 set ikev1 transform-set Remote_VPN_Set
crypto dynamic-map outside_dyn_map 20 set reverse-route
crypto map outside_map 1 match address outside_cryptomap
crypto map outside_map 1 set peer 173.190.123.138
crypto map outside_map 1 set ikev1 transform-set ESP-AES-128-SHA ESP-AES-128-MD5
ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA ES
P-3DES-MD5 ESP-DES-SHA ESP-DES-MD5
crypto map outside_map 1 set ikev2 ipsec-proposal AES256 AES192 AES 3DES DES
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map interface outside
crypto ikev2 policy 1
encryption aes-256
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 policy 10
encryption aes-192
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 policy 20
encryption aes
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 policy 30
encryption 3des
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 policy 40
encryption des
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 enable outside
crypto ikev1 enable outside
crypto ikev1 policy 1
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 43200
crypto ikev1 policy 10
authentication crack
encryption aes-256
hash sha
group 2
lifetime 86400
crypto ikev1 policy 20
authentication rsa-sig
encryption aes-256
hash sha
group 2
lifetime 86400
crypto ikev1 policy 30
authentication pre-share
encryption aes-256
hash sha
group 2
lifetime 86400
crypto ikev1 policy 40
authentication crack
encryption aes-192
hash sha
group 2
lifetime 86400
crypto ikev1 policy 50
authentication rsa-sig
encryption aes-192
hash sha
group 2
lifetime 86400
crypto ikev1 policy 60
authentication pre-share
encryption aes-192
hash sha
group 2
lifetime 86400
crypto ikev1 policy 70
authentication crack
encryption aes
hash sha
group 2
lifetime 86400
crypto ikev1 policy 80
authentication rsa-sig
encryption aes
hash sha
group 2
lifetime 86400
crypto ikev1 policy 90
authentication pre-share
encryption aes
hash sha
group 2
lifetime 86400
crypto ikev1 policy 100
authentication crack
encryption 3des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 110
authentication rsa-sig
encryption 3des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 120
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 130
authentication crack
encryption des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 140
authentication rsa-sig
encryption des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 150
authentication pre-share
encryption des
hash sha
group 2
lifetime 86400
telnet 192.168.1.0 255.255.255.0 inside
telnet 172.29.8.0 255.255.255.0 inside
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd auto_config outside vpnclient-wins-override
dhcprelay server 172.29.8.3 inside
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
webvpn
enable outside
group-policy ABCtech_VPN internal
group-policy ABCtech_VPN attributes
dns-server value 172.29.8.3
vpn-tunnel-protocol ikev1
split-tunnel-policy tunnelspecified
split-tunnel-network-list value VPN_Tunnel_User
default-domain value ABCtech.local
group-policy GroupPolicy_10.8.8.1 internal
group-policy GroupPolicy_10.8.8.1 attributes
vpn-tunnel-protocol ikev1 ikev2
username who password eicyrfJBrqOaxQvS encrypted
tunnel-group 10.8.8.1 type ipsec-l2l
tunnel-group 10.8.8.1 general-attributes
default-group-policy GroupPolicy_10.8.8.1
tunnel-group 10.8.8.1 ipsec-attributes
ikev1 pre-shared-key *****
ikev2 remote-authentication pre-shared-key *****
ikev2 remote-authentication certificate
ikev2 local-authentication pre-shared-key *****
tunnel-group ABCtech type remote-access
tunnel-group ABCtech general-attributes
address-pool ABC_HQVPN_DHCP
authentication-server-group Guava
default-group-policy ABCtech_VPN
tunnel-group ABCtech ipsec-attributes
ikev1 pre-shared-key *****
tunnel-group 173.190.123.138 type ipsec-l2l
tunnel-group 173.190.123.138 general-attributes
default-group-policy GroupPolicy_10.8.8.1
tunnel-group 173.190.123.138 ipsec-attributes
ikev1 pre-shared-key *****
ikev2 remote-authentication pre-shared-key *****
ikev2 remote-authentication certificate
ikev2 local-authentication pre-shared-key *****
class-map inspection_default
match default-inspection-traffic
policy-map global_policy
class inspection_default
inspect pptp
inspect ftp
inspect netbios
smtp-server 172.29.8.3
prompt hostname context
no call-home reporting anonymous
Cryptochecksum:6a26676668b742900360f924b4bc80de
: endHello Wayne,
Can you use a different subnet range than the internal interface, this could cause you a LOT of issues and hours on troubleshooting, so use a dedicated different Ip address range...
I can see that the local Pool range is included into the inside interface Ip address subnet range, change that and the related config ( NAT,etc, ) and let us know what happens,
Regards,
Julio
Security Trainer -
Cannot ping windows 2008 r2 while it is possible for another machine in the same network
Hi,
Recently I have set up a new server with windows 2008 r2 enterprise OS which is a domain member server.
At network layer I have two networks one with 192.168.1.0/22 and another with 10.0.0.0/24 network IDs.
My problem is that I cannot ping the newly installed server from a specific machine. Server's IP address is 192.168.1.56 and the specific machine's IP address is 10.0.0.12 and it is a windows XP machine. Of course I have to say that this problem belongs
only to this WinXP machine and all the layer 3 issues are tested and correct. This issue happens while at the same time I can ping domain controller which also is a windows 2008 r2 enterprise box and its IP address is 192.168.1.53. It turns more complicated
when I learned I can ping the winxp machine and connect to it from new server through remote desktop. Firewall also is not the obstacle because I turned it off completely.
Can anybody help me fix the problem?
TIA
BijanHi,
Check the path ping from xp machine to server its timing out after reaching 192.168.1.254 , What kind of a device is 192.168.1.254 IP belongs to.
Tracing
route to sp45newfs.ph45.local [192.168.1.56]
over
a maximum of 30 hops:
0 B15-333.PH45.LOCAL [10.0.0.12]
1 192.168.1.254
2 * * *
Computing
statistics for 50 seconds...
Source to Here This Node/Link
Hop
RTT Lost/Sent = Pct Lost/Sent = Pct Address
0 B15-333.PH45.LOCAL [10.0.0.12]
0/ 100 = 0% |
1 0ms 0/ 100 = 0% 0/ 100 = 0% (192.168.1.254)----------(Which device has this IP)
100/ 100 =100% |
2 --- (100/ 100 =100% )---(100% loss) 0/ 100 = 0% B15-333.PH45.LOCAL [0.0.0.0]
Trace
complete.
Regards,
Srivishnu.K -
I am getting error while accessing url of lyncweb.domain.com, dialin.domain.com and meet.domain.com pointing to RP server.
502 - Web server received an invalid response while acting as a gateway or proxy server.
There is a problem with the page you are looking for, and it cannot be displayed. When the Web server (while acting as a gateway or proxy) contacted the upstream content server, it received an invalid response from the content server.
Regards, Ganesh, MCTS, MCP, ITILV2 This posting is provided with no warranties and confers no rights. Please remember to click Mark as Answer and Vote as Helpful on posts that help you. This can be beneficial to other community members reading the thread.When i try with https://lyncfrontend.domain.local:4443 and https://lyncfrontend.domain.com:4443 both opens but when i open the external domain name i get certificate .
ARR version installed is 3.0
To throw more light on the configuration:
Lync 2013 implemented, internal domain name is : domain.local and external domain name is : domain.com
All servers in VMs are with 4 core processor, 24gb ram, 1TB drive.
Frontend : Windows 2012r2 with Lync 2012 Standard Edition - 1 No (192.168.10.100)
Edge : Windows 2012 with Lync 2012 Std - 1 No
(192.168.11.101 DMZ) in workgroup
ISS ARR Reverse Proxy 3.0 : Windows 2012 with ARR and IIS configured. (192.168.11.102)
Certificate : Internal Domain root CA for internal and External (Digicert).
Internal Network : 192.168.10.x /24
External Network (DMZ) : 192.168.11.x /24
Public Firewall NAT to DMZ ip for firewall and RP server. So having two public IP facing external network.
Edge has : sip.domain.com, webconf.domain.com, av.domain.com
IIS ARR RP server has : lyncdiscover.domain.com, lyncweb.domain.com, meet.domain.com, dialin.domain.com
Have created SRV record in public : _sip.tls.domain.com >5061>sip.domain.com, _sipfederationtls._tcp.domain.com>5061>sip.domain.com, _xmpp-server._tcp.domain.com>5269>sip.domain.com
Installed frontend server using MS Lync server 2013 step by step for anyone by Matt Landis, Lync MVP.
Internal AD Integrated DNS pointing Front-end
Type of Record FQDN
IP Description
A sip.domain.com
192.168.10.100 Address internal Front End or Director for internal network clients
A admin.domain.com
192.168.10.100 URL Administration pool
A DialIn.domain.com
192.168.10.100 URL Access to Dial In
A meet.domain.com
192.168.10.100 URL of Web services meeting
A lyncdiscoverinternal.domain.com
192.168.10.100 Register for Lync AutoDiscover service to internal users
A lyncdiscover.domain.com
192.168.10.100 Register for Lync AutoDiscover service to external users
SRV Service: _sipinternaltls Protocol: _tcp Port: 5061
sip.domain.com Record pointer services to internal customer connections using TLS
External DNS pointing Edge & Proxy
Type of Record FQDN
IP Endpoint
A sip.domain.com
x.x.x.100 Edge
A webconf.domain.com
x.x.x.100 Edge
A av.domain.com
x.x.x.100 Edge
SRV _sip._tls.domain.com
sip.domain.com: 443 Edge
SRV _sipfederationtls._tcp.domain.com
sip.domain.com:5061 Edge
A Meet.domain.com
x.x.x.110 Reverse Proxy
A Dialin.domain.com
x.x.x.110 Reverse Proxy
A lyncdiscover.domain.com
x.x.x.110 Reverse Proxy
A lyncweb.domain.com
x.x.x.110 Reverse Proxy
In IIS ARR proxy server following server farms are added and configured as per link ttp://y0av.me/2013/07/22/lync2013_iisarr/
In proxy server had setup only following server farm : While running remote connectivity web service test : meet, dialin, lyncdiscover and lyncweb.
The client inside works fine internally and through vpn. Login with external client also working fine. But we are getting error in MRCA as follows.
a) While testing remote connectivity for lync getting error : The certificate couldn't be validated because SSL negotiation wasn't successful. This could have occurred as a result of a network error or because of a problem with the certificate installation.
Certificate was installed properly.
b) For remote web test under Lync throws error : A Web exception occurred because an HTTP 502 - BadGateway response was received from IIS7.
HTTP Response Headers:
Content-Length: 1477
Content-Type: text/html
Date: Wed, 14 May 2014 10:03:40 GMT
Server: Microsoft-IIS/8.0
Elapsed Time: 1300 ms.
Regards, Ganesh, MCTS, MCP, ITILV2 This posting is provided with no warranties and confers no rights. Please remember to click Mark as Answer and Vote as Helpful on posts that help you. This can be beneficial to other community members reading the thread. -
1602i standalone AP cannot ping RADIUS server
I have a new 1602i standalone AP trying to use RADIUS authentication. For some reason the 1602 cannot ping the RADIUS server, but will get a response from other devices. Both are on the same subnet, the new one at .213 and the RADIUS at .209.
AP6#ping xxx.xx.120.209
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to xxx.xx..120.209, timeout is 2 seconds:
Success rate is 0 percent (0/5)
AP6#ping xxx.xx.120.217
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to xxx.xx..120.217, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/4 ms
The RADUIS server is able to ping the new AP successfully.
AP1#ping xxx.xx.120.213
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to xxx.xx.120.213, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 2/2/3 ms
Any thoughts to why that AP is unable to ping that one particular client? Other APs are successfully contacting it for RADIUS authentication.version 15.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
hostname AP6
logging rate-limit console 9
enable secret 5 xxxxxxxxxxxx
aaa new-model
aaa group server radius rad_eap
server xxx.xx.120.209 auth-port 1812 acct-port 1813
aaa group server radius rad_mac
aaa group server radius rad_acct
aaa group server radius rad_admin
aaa group server tacacs+ tac_admin
aaa group server radius rad_pmip
aaa group server radius dummy
aaa authentication login eap_methods group rad_eap
aaa authentication login mac_methods local
aaa authorization exec default local
aaa accounting network acct_methods start-stop group rad_acct
aaa session-id common
clock timezone -0500 -5 0
clock summer-time -0400 recurring
no ip routing
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dot11 syslog
dot11 ssid xxx.xx
authentication open eap eap_methods
authentication network-eap eap_methods
authentication key-management wpa
crypto pki token default removal timeout 0
username Cisco privilege 15 password 7 xxxxx
bridge irb
interface Dot11Radio0
no ip address
no ip route-cache
encryption mode ciphers tkip
ssid MANH
antenna gain 0
stbc
beamform ofdm
station-role root
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 spanning-disabled
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
interface Dot11Radio1
no ip address
no ip route-cache
shutdown
antenna gain 0
dfs band 3 block
channel dfs
station-role root
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 spanning-disabled
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
interface GigabitEthernet0
no ip address
no ip route-cache
duplex auto
speed auto
bridge-group 1
bridge-group 1 spanning-disabled
no bridge-group 1 source-learning
interface BVI1
ip address dhcp client-id GigabitEthernet0
no ip route-cache
ip forward-protocol nd
ip http server
no ip http secure-server
ip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag
ip radius source-interface BVI1
snmp-server view dot11view ieee802dot11 included
snmp-server community RW
snmp-server chassis-id AP6
snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart
snmp-server enable traps tty
snmp-server enable traps entity
snmp-server enable traps disassociate
snmp-server enable traps deauthenticate
snmp-server enable traps authenticate-fail
snmp-server enable traps dot11-qos
snmp-server enable traps switch-over
snmp-server enable traps rogue-ap
snmp-server enable traps wlan-wep
snmp-server enable traps config-copy
snmp-server enable traps config
snmp-server enable traps syslog
snmp-server enable traps cpu threshold
snmp-server enable traps aaa_server
snmp-server host .0.39 public
radius-server local
user user1 nthash 7
radius-server attribute 32 include-in-access-req format %h
radius-server host xxx.xx.120.209 auth-port 1812 acct-port 1813 key 7
radius-server vsa send accounting
bridge 1 route ip
line con 0
line vty 0 4
transport input all
sntp server xxx.xx.0.11
sntp broadcast client
end -
Cannot ping REAL server IP addresses from CSM 6500
I have a dual 6500/CSM routed topology in which the traffic from clients to the server VIP works fine. However, in preparation for some upcoming work, I find that I cannot ping the REAL server IP addresses. This would seem to be an important troubleshooting step. Any ideas why this wouldn't work?
Gilles, followup question. If I understand this, what you outlined above will allow traffic external coming into the 6500/CSM to be forwarded thru to the REAL server IPs. If it wasn't clear, I was trying to ping from the native-mode 6500 that contains the CSM. I've tried regular and extended pings using the CSM-configured server VLAN's IP and alias IP, but get no response back from any of the REAL server IP addresses.
Is what you've indicated required to ping even if I'm on the 6500 which contains the CSM?
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