Assign VLAN from freeradius to Cisco 3550 Switch
Hi All,
I am trying to assign VLAN from freeradius to the a cisco 3550 switch but it's not working.
I keep getting those lines in the cisco switch debug:
3w6d: RADIUS: Tunnel-Medium-Type [65] 6 01:Unsupported [6]
3w6d: RADIUS: Tunnel-Type [64] 6 01:Unsupported [13]
What does it mean? Any idea how to solve this?
Below freeradius conf and switch debug.
Thanks.
Configuration on freeradius users file:
wassim Cleartext-Password := "wassim"
Tunnel-Medium-Type:1 = IEEE-802,
Tunnel-Type:1 = VLAN,
Tunnel-Private-Group-Id:1 = 100
Cisco Switch debug log:
3w6d: RADIUS: authenticator 99 15 53 A6 AB B7 0B 75 - 9F A7 5F 27 8F F1 2E 67
3w6d: RADIUS: NAS-IP-Address [4] 6 192.168.1.8
3w6d: RADIUS: NAS-Port [5] 6 50023
3w6d: RADIUS: NAS-Port-Type [61] 6 Eth [15]
3w6d: RADIUS: User-Name [1] 8 "wassim"
3w6d: RADIUS: Called-Station-Id [30] 19 "00-15-F9-F8-4E-97"
3w6d: RADIUS: Calling-Station-Id [31] 19 "00-1A-80-3F-F6-A1"
3w6d: RADIUS: Service-Type [6] 6 Framed [2]
3w6d: RADIUS: Framed-MTU [12] 6 1500
3w6d: RADIUS: State [24] 18
3w6d: RADIUS: DB C1 1C E7 DE C7 09 5E 75 5E 5B 0F 23 3A 54 E7 [???????^u^[?#:T?]
3w6d: RADIUS: EAP-Message [79] 69
3w6d: RADIUS: 02 06 00 43 15 00 17 03 01 00 38 BF 71 FC FA 04 [???C??????8?q???]
3w6d: RADIUS: BE DC FD CC 03 D2 7F 8B 09 63 2C B2 AE D8 AC 61 [?????????c,????a]
3w6d: RADIUS: 64 21 2B 00 ED 0E 6E E8 B0 49 50 6B 99 B8 88 A4 [d!+???n??IPk????]
3w6d: RADIUS: 36 C6 FD B9 F0 77 2D 82 28 0A 37 D1 D4 73 B4 59 [6????w-?(?7??s?Y]
3w6d: RADIUS: F9 37 E6 [?7?]
3w6d: RADIUS: Message-Authenticato[80] 18
3w6d: RADIUS: A2 59 A3 DE A6 98 5F 78 25 12 59 BB 4D B8 74 F0 [?Y????_x??Y?M?t?]
3w6d: RADIUS: Received from id 1645/123 192.168.1.57:1812, Access-Accept, len 186
3w6d: RADIUS: authenticator C0 31 7F D7 A6 D4 1F C8 - 27 AA F0 99 EA 1F 92 C3
3w6d: RADIUS: Tunnel-Medium-Type [65] 6 01:Unsupported [6]
3w6d: RADIUS: Tunnel-Type [64] 6 01:Unsupported [13]
3w6d: RADIUS: Tunnel-Private-Group[81] 6 01:"100"
3w6d: RADIUS: Vendor, Microsoft [26] 58
3w6d: RADIUS: MS-MPPE-Recv-Key [17] 52
3w6d: RADIUS: 86 8B 3E 74 76 E7 CB 9A 8F EF F5 9C 16 2E 88 1A [??>tv????????.??]
3w6d: RADIUS: 12 3B 80 A6 E9 9B B6 6F E6 63 C8 AA B0 DB 0E 76 [?;?????o?c?????v]
3w6d: RADIUS: 61 C1 6A 5D 62 BD 72 BE 78 C8 9D 4D A7 3F 54 35 [a?j]b?r?x??M??T5]
3w6d: RADIUS: 40 DC [@?]
3w6d: RADIUS: Vendor, Microsoft [26] 58
3w6d: RADIUS: MS-MPPE-Send-Key [16] 52
3w6d: RADIUS: 8A 61 97 87 78 FD CA 16 8D F0 ED 75 C0 70 93 AE [?a??x??????u?p??]
3w6d: RADIUS: 71 EF 5A 21 53 35 A4 88 F9 84 16 83 10 43 6E 9E [q?Z!S5???????Cn?]
3w6d: RADIUS: AB A7 8B 56 6C 42 0D AB 09 1D 82 D3 CB 7E 6C B8 [???VlB???????~l?]
3w6d: RADIUS: 56 58 [VX]
3w6d: RADIUS: EAP-Message [79] 6
3w6d: RADIUS: 03 06 00 04 [????]
3w6d: RADIUS: Message-Authenticato[80] 18
3w6d: RADIUS: 82 4B 64 0F 07 64 59 18 0F 27 07 95 A5 15 09 33 [?Kd??dY??'?????3]
3w6d: RADIUS: User-Name [1] 8 "wassim"
3w6d: RADIUS: EAP-login: length of eap packet = 4
3w6d: RADIUS: Tunnel-MType, [01] 00 00 06
3w6d: RADIUS: TAS(1) created and enqueued.
3w6d: RADIUS: Tunnel-Type, [01] 00 00 0D
3w6d: RADIUS: Tunnel-GID, [01] 100
3w6d: RADIUS: unrecognized Microsoft VSA type 17
3w6d: RADIUS: unrecognized Microsoft VSA type 16
3w6d: RADIUS: TAS(1) takes precedence over tagged attributes, tunnel_type=vlan
3w6d: RADIUS: free TAS(1)
3w6d: RADIUS: no appropriate authorization type for user.
3w6d: RADIUS: Tunnel-MType, [01] 00 00 06
3w6d: RADIUS: TAS(1) created and enqueued.
3w6d: RADIUS: Tunnel-Type, [01] 00 00 0D
3w6d: RADIUS: unrecognized Microsoft VSA type 17
3w6d: RADIUS: unrecognized Microsoft VSA type 16
3w6d: RADIUS: TAS(1) takes precedence over tagged attributes, tunnel_type=vlan
3w6d: RADIUS: free TAS(1)
3w6d: RADIUS: no appropriate authorization type for user.
3w6d: RADIUS: Tunnel-MType, [01] 00 00 06
3w6d: RADIUS: TAS(1) created and enqueued.
3w6d: RADIUS: Tunnel-Type, [01] 00 00 0D
3w6d: RADIUS: unrecognized Microsoft VSA type 17
3w6d: RADIUS: unrecognized Microsoft VSA type 16
3w6d: RADIUS: TAS(1) takes precedence over tagged attributes, tunnel_type=vlan
3w6d: RADIUS: free TAS(1)
3w6d: RADIUS: no appropriate authorization type for user.
3w6d: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/23, changed state to up
I believe you should be using the numerical values in your fields, look at this one :
http://www.scribd.com/doc/75788651/52/X-with-VLAN-Assignment
Tunnel-Medium-Type:1 = 6
Tunnel-Type:1 = 13
Tunnel-Private-Group-Id:1 =
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038247D0 10.47.0.229.32816 10.41.81.55.49 CLOSEWAIT
039A92D8 10.47.0.229.38680 161.61.35.250.49 CLOSEWAIT
037370F0 10.47.0.229.13212 10.41.81.55.49 CLOSEWAIT
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0392EA48 10.47.0.229.13862 10.41.81.55.49 CLOSEWAIT
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03716D08 10.47.0.229.61993 10.41.81.55.49 CLOSEWAIT
039A74E4 10.47.0.229.62948 10.41.81.55.49 CLOSEWAIT
03655480 10.47.0.229.14052 10.41.81.55.49 CLOSEWAIT
039407F0 10.47.0.229.49643 161.61.35.250.49 CLOSEWAIT
039A53AC 10.47.0.229.13233 10.41.81.55.49 CLOSEWAIT
03739FFC 10.47.0.229.16605 10.41.81.55.49 CLOSEWAIT
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039BEBA4 10.47.0.229.64377 10.41.81.55.49 CLOSEWAIT
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039B5810 10.47.0.229.24768 10.41.81.55.49 CLOSEWAIT
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039BBECC 10.47.0.229.14763 10.41.81.55.49 CLOSEWAIT
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I've about pulled what little hair I have out of my head on this one, and need some configuration help.
I have a Cisco Catalyst 3550 switch with five Windows 7 desktops, an Avaya PBX and five Avaya IP phones attached. All of these devices are on a 192.168.0.0/24 subnet, and are communicating properly. I will refer to this as network # 1. I also have SEPARATE network, we'll call network # 2, using AT&T ADSL service and a Netgear 4-port/wireless router/ADSL modem combo device, which is functioning properly with a couple of other Windows 7 desktops over its own wired Ethernet network, using DHCP, and also on a 192.168.0.0/24 subnet. I thought it would be a simple integration, just plugging one of the 3550's ports to one of the DSL router's ports, in order to give the five Windows 7 desktop computers on network # 1 internet access via the DSL modem. Guess I was wrong. When I connect the two switches together, although I get a good connectivity (green lights on both ports) and am able to ping the DSL router's gateway address (192.168.0.252) from network # 1's computers, the computers on network # 1 cannot access the internet. Also, the working computers on network # 2 lose their internet access as long as the two switches are connected together. I am not a Cisco guru, but there's got to be a way to make this scenario work. Can someone provide me with a 3550 configuration that will allow me to extend my internet service from network # 2 on the DSL router to my 3550 switch and their computers? Here's what I am looking for:
INTERNET ---> ADSL MODEM ---> NETGEAR ROUTER ---> CISCO 3550 SWITCH ---> NETWORK DEVICES WITH INTERNET ACCESSThe Netgear router is probably what's doing the natting. Is the 3550 configured for routing or is it straight L2? If you have the 3550 configured as L3, then it's going to be easy to do what you want. Just add a static route on the Netgear to point the subnet that it doesn't know about to the 3550. For example, if the Netgear is addressed at 192.168.1.1 and the Cisco 3550 is addressed at 192.168.1.2, but it also knows about the 192.168.0.0/24 (separate vlan), then you would put a static route on your Netgear for 192.168.0.0/24 to go to 192.168.1.2.
The way that I would do it is to create a separate vlan on the 3550 and assign an address to it. Once you do that, make the port that the other switch connects to an access port of that vlan. (It would need to be on the same subnet as the existing equipment.) All of your devices would use it as a default gateway and then you would do the rest as above. You could also use RIP between the Netgear and Cisco if you can't do static routing.
HTH,
John -
Routing Issue with 3550 Switch
I am having an issue with routing with one of my Cisco 3550 switches. I know the 3550s are EoL but some of us have to work with what we have.
I am using a 3550 on either side of a Layer 2 link. The Layer 2 link is 2 Extreme Summit X-440 switches with Microwave between the switches. I have a VLAN configured on both switches and tagged on the ports connected to the Microwave. The 3550 switch on each end is configured for IP routing but I cannot pass traffic between the switches. If I unplug the switch on the local end and plug in a laptop, I can ping the switch on the remote end and access devices at the remote end.
I know this should work because I am doing the same thing over another Microwave link and Layer 2 link using another 3550 and a HP ProCurve at the remote end.
Here are the configs for each 3550:
Local end; Port Fa0/23 goes to the Remote Side. Port Fa0/24 goes to the rest of the network
Current configuration : 5417 bytes
! No configuration change since last restart
version 12.2
no service pad
service timestamps debug datetime localtime show-timezone
service timestamps log datetime localtime show-timezone
no service password-encryption
service sequence-numbers
hostname Brindley3550
enable secret 5 $1$3A.n$lzBUQg.fn4hJ7f0jEOqe71
no aaa new-model
clock timezone UTC -6
clock summer-time UTC recurring 1 Sun Apr 2:00 1 Sun Nov 2:00
mls qos map cos-dscp 0 8 16 26 32 46 48 56
mls qos min-reserve 5 170
mls qos min-reserve 6 10
mls qos min-reserve 7 65
mls qos min-reserve 8 26
mls qos
ip subnet-zero
ip routing
ip domain-name morgan911.net
ip name-server 1.2.150.11
ip name-server 1.2.150.5
spanning-tree mode pvst
no spanning-tree optimize bpdu transmission
spanning-tree extend system-id
vlan internal allocation policy ascending
interface FastEthernet0/1
switchport access vlan 18
switchport mode dynamic desirable
spanning-tree portfast
{Removed for Brevity}
|
interface FastEthernet0/7
switchport access vlan 13
switchport mode dynamic desirable
spanning-tree portfast
interface FastEthernet0/8
switchport access vlan 13
switchport mode dynamic desirable
spanning-tree portfast
{Removed for Brevity}
interface FastEthernet0/23
description To Gum Springs via Extreme P10
no switchport
ip address 1.2.147.1 255.255.255.252
speed 100
duplex full
interface FastEthernet0/24
description To Flint via Ceragon Eth 2
switchport trunk encapsulation dot1q
switchport mode trunk
speed 100
duplex full
mls qos trust cos
auto qos voip trust
wrr-queue bandwidth 20 1 80 1
wrr-queue min-reserve 1 5
wrr-queue min-reserve 2 6
wrr-queue min-reserve 3 7
wrr-queue min-reserve 4 8
wrr-queue cos-map 1 0 1 2 4
wrr-queue cos-map 3 3 6 7
wrr-queue cos-map 4 5
priority-queue out
spanning-tree link-type point-to-point
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
interface GigabitEthernet0/2
switchport access vlan 10
switchport trunk native vlan 50
switchport mode dynamic desirable
spanning-tree portfast trunk
interface Vlan1
ip address 1.2.145.2 255.255.255.0
ip default-gateway 1.2.145.1
ip classless
ip route 0.0.0.0 0.0.0.0 1.2.145.1
ip route 1.2.165.0 255.255.255.240 1.2.147.2
ip route 1.2.166.0 255.255.255.240 1.2.147.2
ip http server
snmp-server community public RO
snmp-server community public/RO RO
snmp-server location Brindlee Mountain Tower Site
snmp-server contact Jamey Wright
snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart
snmp-server enable traps cluster
snmp-server enable traps entity
snmp-server enable traps envmon fan shutdown supply temperature
snmp-server enable traps vtp
snmp-server enable traps vlancreate
snmp-server enable traps vlandelete
snmp-server enable traps flash insertion removal
snmp-server enable traps port-security
snmp-server enable traps config
snmp-server enable traps syslog
snmp-server enable traps mac-notification
snmp-server enable traps vlan-membership
snmp-server host 1.2.150.100 public tty envmon syslog snmp
control-plane
ntp clock-period 17180143
ntp server 1.2.150.21
end
And this is the config for the remote end. Port Fa0/24 is the port for the link back to the local end.
Current configuration : 5058 bytes
version 12.2
no service pad
service timestamps debug datetime localtime show-timezone
service timestamps log datetime localtime show-timezone
no service password-encryption
service sequence-numbers
hostname GS3550
enable secret 5 $1$3A.n$lzBUQg.fn4hJ7f0jEOqe71
no aaa new-model
clock timezone UTC -6
clock summer-time UTC recurring
mls qos map cos-dscp 0 8 16 24 32 46 46 56
udld aggressive
ip subnet-zero
ip routing
ip domain-name morgan911.net
ip name-server 1.2.150.11
spanning-tree mode pvst
spanning-tree extend system-id
vlan internal allocation policy ascending
interface FastEthernet0/1
switchport access vlan 21
switchport mode dynamic desirable
spanning-tree portfast
interface FastEthernet0/2
switchport access vlan 21
switchport mode dynamic desirable
power inline delay shutdown 20 initial 300
spanning-tree portfast
{Removed for Brevity}
interface FastEthernet0/23
switchport access vlan 22
switchport trunk encapsulation dot1q
switchport mode trunk
speed 100
duplex full
spanning-tree portfast
interface FastEthernet0/24
description To Brindlee via Extreme P10
switchport mode dynamic desirable
(Is a member of VLAN 1)
speed 100
spanning-tree portfast
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
interface GigabitEthernet0/2
switchport mode dynamic desirable
spanning-tree portfast
interface Vlan1
ip address 1.2.147.2 255.255.255.252
interface Vlan21
ip address 1.2.165.1 255.255.255.240
ip helper-address 1.2.150.11
ip helper-address 1.2.150.5
interface Vlan22
ip address 1.2.166.1 255.255.255.240
ip helper-address 1.2.150.5
ip helper-address 1.2.150.11
ip default-gateway 1.2.147.1
ip classless
ip route 0.0.0.0 0.0.0.0 1.2.147.1 10
ip http server
snmp-server community public RO
snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart
snmp-server enable traps cluster
snmp-server enable traps entity
snmp-server enable traps envmon fan shutdown supply temperature
snmp-server enable traps vtp
snmp-server enable traps vlancreate
snmp-server enable traps vlandelete
snmp-server enable traps flash insertion removal
snmp-server enable traps port-security
snmp-server enable traps config
snmp-server enable traps hsrp
snmp-server enable traps bridge newroot topologychange
snmp-server enable traps syslog
snmp-server enable traps mac-notification
snmp-server enable traps vlan-membership
snmp-server host 1.2.150.100 public envmon syslog snmp
control-plane
ntp clock-period 17180192
ntp server 1.2.150.21 key 0 prefer
Ideas? Anything stand out as grossly wrong? I have worked on this for 2 days and am at a loss.
Thanks
JameySorry for the delay in replying. Other items at the office took priority over this project. I tried that and no change. I pulled the switch from the remote site and took it back to the local end and connected the switches with a crossover cable and everything works fine. I have pretty much determined that it is an issue with the config in one of the Extreme switches. The config in those look pretty normal but there are a few things I am unsure of. Guess I'll see if there is a similar site for Extreme gear.
Thanks
Jamey -
Hi,
I am unable to run IP Routing command on my Cisco 3550 switch . Do upgrading of IOS will help me ?
regards
NeoHi ,
here is the output
Switch-1#sh ver
Cisco Internetwork Operating System Software
IOS (tm) C3500XL Software (C3500XL-C3H2S-M), Version 12.0(5)WC13, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Tue 20-Sep-05 10:05 by antonino
Image text-base: 0x00003000, data-base: 0x00351FFC
ROM: Bootstrap program is C3500XL boot loader
Switch-1 uptime is 1 minute
System returned to ROM by power-on
System image file is "flash:c3500xl-c3h2s-mz.120-5.WC13.bin"
cisco WS-C3548-XL (PowerPC403) processor (revision 0x01) with 16384K/1024K bytes of memory.
Processor board ID FAA0428Y13Q, with hardware revision 0x00
Last reset from power-on
Processor is running Enterprise Edition Software
Cluster command switch capable
Cluster member switch capable
48 FastEthernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)
32K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 00:02:B9:9C:23:00
Motherboard assembly number: 73-3903-04
Power supply part number: 34-0971-01
Motherboard serial number: FAA04299A9E
Power supply serial number: PAC042800LS
Model revision number: A0
Motherboard revision number: B0
Model number: WS-C3548-XL-EN
System serial number: FAA0428Y13Q
Configuration register is 0xF
Switch-1#
Switch-1#
Switch-1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch-1(config)#ip routing
^
% Invalid input detected at '^' marker.
Switch-1(config)#ip r?
radius rcmd
Switch-1(config)#
regards
Neo -
Hooking up a cisco 3550 48 port switch to my E2500 router
I am trying to assign an IP to my 3550 switch so I can telnet into it from my computers upstairs but, when I assign the IP to a vlan on the switch and set the port going to the router to access that vlan I still can't see anything pull in the DHCP table on the E2500. The other thing I am not sure about is what I should be setting my default route to is it the 192.168.1.1 or is that just the management IP for the E2500 router? I am pretty sure this is just a case of the E2500 can't deal with the Vlans but with it being set to access it doesn't seem like it should matter it should just live in that Vlan. I can always put a 2600 in front of the switch but I rather not put in a 3rd piece of equipment if I can help it. Any advanced routing information would be appreciated.
If the swtich is a managed switch, it maybe in compatible with the LAN switch on the router as most "home" class routers do not have manged LAN switched for connectors.
I recommend that you contact Cisco about this and see if they have any help and information regarding this. If the management or "smart" features can be disabled on this switch if the has these features, it maybe still usable with the router.
Let us now how it goes. -
Cisco 3550 SMI switch for security setup ?
I have a 3550 SMI IOS 12.2 switch, I want to setup http, https, dns services for internet. I do not need to set up any mail or web server.
The connection as follows:
Internet ---------Modem----------3550-----------Computer
Modem has no security function, all the security setting will be on 3550 switch. So what is the best approach ?
Is it layer 2 or layer 3 security ? and can I run VPN for the internet surf ? Please kindly advise.
Thanks,
SusanThanks for the Reply.
When I config the switch I find out some interesting things, I am no sure if the
configuration is correct or I miss something ? Please help take a look.
access-list 101 deny ip 10.0.0.0 0.255.255.255 any
access-list 101 deny ip 127.0.0.0 0.255.255.255 any
access-list 101 deny ip 172.16.0.0 0.15.255.255 any
access-list 101 deny ip host 0.0.0.0 any
access-list 101 deny ip host 255.255.255.255 any
access-list 101 deny tcp any any eq bgp
access-list 101 deny eigrp any any
access-list 101 permit udp any any eq domain
access-list 101 permit tcp any any eq www log
access-list 101 permit tcp any any eq 443 log
access-list 101 deny ip any any log
int fa0/1
switchport
switchport access v 10
switchport mode access
access group 101 in
int vlan 1
no ip add
That work normal
But if when I put access list 101 to vlan interface 10, my computer can access the internet. ???
access-list 101 deny ip 10.0.0.0 0.255.255.255 any
access-list 101 deny ip 127.0.0.0 0.255.255.255 any
access-list 101 deny ip 172.16.0.0 0.15.255.255 any
access-list 101 deny ip host 0.0.0.0 any
access-list 101 deny ip host 255.255.255.255 any
access-list 101 deny tcp any any eq bgp
access-list 101 deny eigrp any any
access-list 101 deny ip any any log
int vlan 10
ip add 192.168.1.1 255.255.255.0
access group 101 in
int fa0/1
switchport
switchport access v 10
switchport mode access
int vlan 1
no ip add
For both case, Vlan 1 is down, I connect nothing and assign nothing to vlan 1.
So is the configuration has problem ? or
Something to do with vlan 1 ?
or something I miss ?
Thanks -
i hav got Cisco 3550-12T, in that i hav created VLAN 2,3,4 & 5. now my requirement is VLAN 2 can communicate all VLAN's, where VLAN 5 should only communicate VLAN 2 & vice versa & VLAN 3,4 should only communicate VLAN 2 & vice versa. how do i proceed, by default if i enable "ip routing" i can able to communicate, but i do i filter the packetz as i said above?
Hi,
You can do it using extended acl's fro denying traffic from Vlan 3,4 to vlan 5. This can also be done using Vlan MAPS. Please go through the link below:
http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12225sec/3550scg/swacl.htm#wp1082557
regards,
-amit singh -
Passing Voice VLAN through a non-Cisco switch
Hi All,
Will a non-Cisco switch (no 802.1q support) that is putted beetween Cisco IP Telephone and Cisco Catalyst switch (which is configured with auxilary Voice Vlan) pass voice vlan frames and CDP?Any switch should pass on either ISL(which is cisco properitary and hence not supported on non-Cisco) or IEEE 802.1Q frames or else it cannot support voice vlan support . And non-Cisco switches do not support CDP as it is once again Cisco proprietary protocol.
-
DHCP and voice vlan on Cisco 3560 switch
Greetings,
I'm setting up a Cisco 3560 switch for voice and data comms. I'm looking for documentation with best practice guidelines for the following requirements.
1. Using the Cisco 3560 as a DHCP server - Config examples. Do I need to use different subnets for the voice and data vlans?
2. Layer 2 CoS QoS - I'm connecting Aastra phones as well as notebooks - I've been told that Aastra also makes use of the voice vlan config through LLDP and that Aastra phones supports CDP.
Your assistance will be appreciated.Hi ,
Cisco recommends that you have a separate vlan for voice and data with different ip subnets for voice and data. You will need to configure the dhcp pool accordingly.
Here is the config guide for setting up IOS DHCP server:
http://www.cisco.com/en/US/docs/ios/12_0t/12_0t1/feature/guide/Easyip2.html
Here is the LAN qos recommendations:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/7x/netstruc.html#wp1044009 -
UPDATE: Deal of the Week - Cisco 3550 24 port PoE Switch
Well that didn't last long...our "Deal of the Week" this week sold out in 1 day, so we figured we better do another deal for everyone. - - - Cisco 3550 24 Port PoE Switch - $65.00 --- www.cablesandkits.com/DOW
How might you use PowerShell Direct, the latest addition to the PowerShell family that's coming with Windows 10 and Windows Server 2016? Consider this:Have you ever tried to make a configuration changeon a Friday afternoon, right before beer o’clock, and you couldn’t get access to the machine you needed to change? This problem might be caused by out-of-datesecurity settings, a network change, or something else.PowerShell Direct will work, even when otherwise things would stand in your way.According to Petri, the new software will change the way you operate "between hypervisorhost and guest virtual machine in a secure way." No more "faffing about to get security settings configured, holes poked in firewalls," or remoting in – PowerShell Direct gives you a direct way to open a session on any guest computer in seconds.
If you have Windows... -
Cisco 3850 Switch and Windows 7 IP Conflicts
Team,
Last evening (Christmas eve) we setup a pair of Cisco 3850 with IP Base version 3.3.35SE (recommended) and 3.7.0E (very latest).
We got these to replace a very old switch that had died. Attached to this network are windows 7 PC's with all the standard patches, service packs, etc.
with standard port configs - no PC would work - and in fact on each screen we got the windows 7 IP Conflict pop up box.
This seemed very odd to us, as we know these IP's are all static (no dhcp on this segment at all)
we went with a very vanilla config on each port
interface g1/0/1
switchport host
that is it - nothing special at all.
well, after hours of research we found the 3850 has a problem where its "ip device tracking" (even though disabled, by way of NOT being enabled on any interface) will effect the windows 7 PC's ip address in use detection port start up phase!
This is a very big problem. I am frankly SHOCKED Cisco would release a major switch that is going to not work when connected to the average network with windows 7 PC's.
we tried 3+ hours of prescribed work-arounds found when researching this issue -
ip device tracking probe delay 10 (global config)
ip device tracking max 0 (disabed, on interface)
finally,
nmsp attach suppress (interface, however this appears to be a default command in all IOS-XE versions we tried, as the command did NOT show in the show run) . this effected many different nic card vendors (laptops, desktops) and nic card drivers levels from old to very recent.
Finally,
we compared a 3850 in another location to this one - and we never got HIT by this problem before because that 3850 only as TRUNK ports and no windows 7 hosts directly attached.
Doing more research, I found out this also can effect vmware guests running windows SERVER.
this is now a huge issue as we have a scheduled deployment of 3850's throughout our network which is going to be put on hold.
the work-around I came up with which is not great is -
Make ALL the "access" ports connected to PC TRUNK ports and leave the NATIVE vlan (untagged) as the vlan you want the PC's to be in
interface g1/0/1
switchport mode trunk
switchport trunk native vlan 1
this is NOT an acceptable workaround as this presents security issues even with
switchport trunk allowed vlan 1, etc. as the only allowed vlan.
Note: this issue manifested itself and windows 7 PC's were UNABLE to use the network. if you do "ipconfig /all | more" you would see
192.168.0.140(duplicate) and the interface would actually use 169.254.0.239(duplicate) so the duplicate message appeared twice in the output.
1) With and without an SVI interface on each 3850 for the vlan where the windows 7 machines had a duplicate
2) when we had an SVI and the command ip device tracking probe use-svi (or whatever the hidden command is I forget now, but it took it)
3) when we had aaa new-model configured - and not configured - thinking this was some artifact of having aaa turn on something like 802.1x port state
4) when could confirm NO DHCP SNOOPING
5) when we DID not use static IP's - and had the switch assign DHCP addresses - the Windows 7 PC's STILL had duplicates and didnt work for their "Just leased" ip's.
6) when we could confirm ios-xe ip device tracking = disabled with show ip device tracking status, etc.
This is a major problem for this 3850 and unless we get a definitive answer on why this is happening and how we can rectify we are going to have to return our 3850's and get HP Procurve's something I would rather avoid doing. There is NO REASON I can imagine other than older switches who's ports default to ROUTED ports (i.e.. no ip switchport) where a switch should not at least function as a bare switch with essentially a default configuration out of the box.
Any ideas? I'm working well now with the ports ALL in trunking mode with vlan 1 native, but this is not a scalable workaround we can live with as we have security risks of a port not blocking certain vlans from going out ports to pc's, etc. that attackers could send tags on at that point, etc.
thanks,
Joe Brunner
#19366thanks for replying - i'm not onsite (its a standalone network) - but here is what it is -
Answers in line -
This all stems from a switch replacement correct?
yes a 10 year old Allied Telesyn switch was replaced that had no config - like a hub, just used for connectivity.
Are these 3850's in a stack?
>yes, tested all aspects of the stack many times.
Does it have a managment ip address -If so, is it using the old switch ip address
>old switch had no ip - i made a "management interface" on vlan 1 - BUT no ip on the built-in management interface on the switch.
What are they connecting to? (a router/L3 switch/anohter switch- cisco-HP etc..)
>various other devices - only 1 link back to a single 3750x stack. that switch is "hardened" so to speak to reveal or propagate very little by design.
How are they connected( L3 interface/L2 trunk/access port)
>all ports are left in trunk mode with vlan 1 as the active and untagged port. this was the workaround done to ever get the switch going. in "out of the box" or default mode as we initially wanted (no config) links to windows 7 PC's didnt work. links to linux or other devices non-windows did work!
Are thse switches performing inter-vlan routing or just acting as host switches?
>dumb flat network, no routing.
Is ip routing enabled?
>not unless enabled on 3850 by default. I didnt type "ip routing"
Do you have multiple vlans in your network and if so ar ethe being propergated to these new switches?
Your 7 pcs = are they just client pcs not servers?
client PC's - no servers OS per say.
can you confirm something like ICS isnt enabled (Internet connection sharing) on any of them?
>yes not enabled.
Are the just using one NIC each?
> one machine is dual homed - but we know where its "second nic" goes - to another cisco network which is NOT connected back to this one. we traced all our ports a few times thinking even perhaps some small hub was "reflecting" traffic back to us - like a blackbox. Strangest thing -
default config out of the box - with ALL ports SHUTDOWN EXCEPT the single windows 7 facing port - the windows 7 machine STILL registered an IP CONFLICT when connected to the 3850 - even when it had NO SVI's!!! (i know mind numbing). if you disconnected the pc and connected it to an old cisco switch - it worked fine!!! wow.
sh switch
2 identical 3850's in working stack. power and network stacked. both at same version, etc - upgraded each time with "software install file flash:<long ios name>.bin
tested all power and general 3850 stacking. saw no issues.
sh int trunk
>all ports are now trunks (hence the workaround used to get it up).
has 20 trunks to PC's and some single connected switches (far away on fiber) - all allow only vlan 1 - no other vlans were created - very very simple network. vlan 1 is native
sh vlan brief
>just vlan 1 - no vlans created, checked this many times - had vlan 100 at one point - made sure it was gone over a period of hours.
sh vtp status
not setup - left complete default; no vtp domain set - connected to all switches in transparent model if a switch connection exists.
sh cdp neighbours
cant post (for god and country LOL) but there is one link back to our "core" so to speak - that switch is hardened not to allow any settings to slip over to new switches so hence no vtp, cdp is one to help troubleshooting.
sh ip route
just the L and C routes for the vlan 1 ip address 192.168.17.1/24
no static routes
no vlan interfaces other than int vlan 1
no ip address on g0/0/0 -> the default 3850 management interface hard assigned to the 3850 VRF you cant remove.
int g0/0/0
ip vrf forwarding Switch_Mgmt
i can get over there if you think of anything else key to show the group.
thanks,
Joe
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