Dialer Watch failure
All, I have numerous international sites with leased connections that are backed up via ISDN using Dialer Watch. I have noticed that after about a year, the dialer watch stops working. I have performed a "Debug ISDN Events" and cleared the IP route which should trigger the dialer watch, and nothing happens even though the route is not present in the routing table. It almost sounds like there is some kind of memory leak associated with ISDN processes. If I perform a test call or reboot the router everything starts working again. I have noticed this 3 times on 3 seperate platforms; 2600, 2811, and 3640. I am also using various IOS's on each. I scoured Cisco's website and found nothing. Has any experienced anything like this?
Verify that the DDR connection is working properly before you configure dialer watch. Verify there are two dialer map statements on the backup interface.
http://www.cisco.com/en/US/tech/tk801/tk379/technologies_configuration_example09186a0080094143.shtml#troubleshootingdialerwatch
Similar Messages
-
Dialer Watch List on Pri dialer????????
Dear All,
I have a 2811 router...
In which I want to configure the dialer watch list..
Plz clarify which ip shud we put on dialer watch list...????
Is it the route . plz find the example below..
boot-start-marker
boot system flash c2800nm-entbase-mz.123-8.T11.bin
boot-end-marker
controller E1 1/0
framing NO-CRC4
pri-group timeslots 1-31
interface Serial0/2/0
description
ip address 139.158.79.89 255.255.255.252
encapsulation ppp
fair-queue
interface Serial1/0:15
no ip address
ip accounting output-packets
encapsulation ppp
dialer pool-member 10 max-link 2
dialer pool-member 20 max-link 2
isdn switch-type primary-net5
ppp multilink
interface Dialer1
description
ip address 139.158.79.93 255.255.255.252
encapsulation ppp
dialer pool 20
dialer idle-timeout 2147483
dialer string 08041259117
dialer load-threshold 1 either
dialer watch-group 10
dialer-group 1
no fair-queue
ppp multilink
interface Dialer10
description
ip address 139.158.79.85 255.255.255.252
encapsulation ppp
dialer pool 10
dialer idle-timeout 2147483
dialer string 02240057435
dialer load-threshold 1 either
dialer-group 1
fair-queue 64 32 0
ppp multilink
ip route 10.179.27.0 255.255.255.0 139.158.79.90
ip route 10.179.27.0 255.255.255.0 Dialer1 100
ip http server
dialer-list 1 protocol ip permit
Plz give me the solution for the back up for the serial link...using the dialer watch list..
Thanks...configuring dialer-watch
~~~~~~~~~~~~~~~~~~~~~
1) check the ip routing table for the particular route for which you have to create a dialer watch and note it down as it is.
2) create a watch list using the command # Dialer watch-list ip < exact mask>
3) go to the dialer interface and bind it using the command # dialer watch-group
4) Bind it to the interface
For more information regarding the configuration of dialer watch follow the url given below ,
http://www.cisco.com/en/US/products/sw/iosswrel/ps1828/products_configuration_guide_chapter09186a00800872ed.html#18075
4) -
I want to use DSL for backup of my MPLS network. I plan to use an external ethernet connected device for DSL access. I plan to use a GRE tunnel over the DSL connection. Can I use dialer watch to bring up the tunnel interface?
I do not know the answer for sure, but I believe that Dialer Watch will not work for the Ethernet/DSL connection. And I wonder why the original post believes that they want it. The motivation for dialer watch is for traditional dial environments where you pay connect time charges and do not want to pay for connectivity when the primary link is available. But with DSL you are not paying connect time charges. You pay the same whether the DSL is actively carrying traffic or not. So why would you want to try to keep the Ethernet or the GRE down while the MPLS was up?
It seems to me that what is needed here is a reliable fail-over mechanism so that traffic is sent over the MPLS when it is available and is sent over the Ethernet/DSL/GRE when MPLS is not available. Without knowing a little more about the environment it is hard to suggest an optimum solution. But I have implemented something that seems a bit similar where DSL/GRE was a backup connection. We ran a dynamic routing protocol over the primary link and over the backup DSL/GRE and configured it so that the protocol preferred the main link and would use the DSL/GRE only when it lost the neighbor relationship on the primary link. It seems like the same approach should work here.
HTH
Rick -
Is there a problem if I use dialer watch without dialer-group?
I use isdn as back up intface,and use dialer watch to monitor.
my configuration is :
interface BRI0/0
description ***To 11.228.244.1***
ip address 11.228.244.2 255.255.255.128
encapsulation ppp
no ip route-cache
no ip mroute-cache
dialer map ip 11.228.244.1 name C-3640-01 broadcast 02080000759
dialer map ip 11.228.8.62 name C-3640-01 broadcast 02080000759
dialer watch-disable 10
dialer watch-group 1
isdn switch-type basic-net3
no peer neighbor-route
no cdp enable
ppp authentication chap
dialer load-threshold 128 either
ppp multilink
dialer watch-list 1 ip 11.228.8.62 255.255.255.255
dialer watch-list 1 ip 11.228.8.61 255.255.255.255
dialer watch-list 1 delay disconnect 10
As you can see,no "dialer-group" command in my configuration.
When I shut down the primary interface,my isdn dialer up correctly,and learn the route from bri0/0.When my primary interface up again,my isdn interface disconnect as expected.
All seems good,so is the "dialer-group" needed in the configuration of dialer watch ?Hello,
that is actually the default behaviour of dialer watch, it does not depend solely on interesting traffic to trigger the backup. As soon as the primary link goes down, dialer watch brings up the secondary link.
Check the explanation on CCO regarding dialer watch:
Dialer Watch Overview
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fdial_c/fnsprt6/dcdbakdw.htm#wp1000889
HTH,
GP -
Multiple entries in dialer watch-list
Hi,
If I have multiple entries in my dialer watch-list:
dialer watch-list 1 ip 192.168.10.3 255.255.255.255
dialer watch-list 1 ip 192.168.20.3 255.255.255.255
And just one of the routes gets removed (for example 192.168.10.3) - will this trigger my router to dial the backup link? OR Do both the routes have to be removed before the router will dial?
(Just a little background - the host routes I'm watching are loopback interfaces of head-end MPLS routers and I'd only like the remote router with the dialer watch-list to dial if BOTH loopbacks are removed from the routing table)
Thanks!
BradBrad
In my limited experience with dialer watch, I believe that you are going to get the results that you want. Dialer Watch will initiate the backup when all of the specified routes are removed from the routing table.
HTH
Rick -
ISDN dialer watch feature with
Hi Friends,
Iam running bgp as PE-CE routing protocol with MPLS service provider. we use ISDN for backup, I want to know is dialer watch feature supported with bgp.
regards
raviAccording to the documentation, the dialer watch feature for dial backup is only applicable for EIGRP and IGRP.
The dialerwatch list needs to have an exact match on the route watched and needs to present at the time dialer watch is initialized.
See also:
http://www.cisco.com/warp/public/471/backup_cookbook.html#ts_watch
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/dial_c/dcdbakdw.htm -
Rp-pppoe problem (probability of the dialing's failure)
network environment: adsl
i use rp-pppoe to dial. sometimes the 'pppoe-start' was 'TimeOut'. In the process of 'pppoe-start', there was any signal of dialing on my modem(the 'data indicator light' of the modem is always off).
And i have to reboot my computer and try 'pppoe-start' again, there's a chance that 'connected'.
error.log:
pppoe: Timeout waiting for PADO packets
pppoe: Timeout waiting for PADO packets
pppoe: Timeout waiting for PADO packets
message.log:
pppd[2558]: pppd 2.4.4 started by root, uid 0
pppd: Using interface ppp0
pppd: Connect: ppp0 <--> /dev/pts/0
pppd: LCP: timeout sending Config-Requests
pppd: Connection terminated.
pppd: Modem hangup
pppd: Exit.
pppoe-connect: PPPoE connection lost; attempting re-connection.
any sugesstion, please?x33a wrote:
could be a line problem, modem problem or server side problem.
log into your modem, and post your line stats (snr, attenuation, etc.)
but i had tried to dial in my XP os , there was not any problem. So i believe the line and the modem are ok. and thanks for your reply -
hi
i have been experiencing some problems with my modem connection in the last few days.
my modem (powerbook12" internal) dials, whistles, negotiates, and eventually disconnects.
all the times.
the connection parameters are ok, i swear.
i have no clue. please help.
thanks
ciao
enricoIt's part of the motherboard not a separate part.
-
Hi
I was wondering if you can use things such as dialer watch when you use a dialer interface on an ADSL connection. I have an ADSL connection I don't want used unless my main leased line goes down so I want to keep the interface down until needed. I'll get a chance to test this later this week but would be interested if anyone knows the answer beforehand.
Thanks, Stephen.The configuration is;
A site has a leased line terminating on a router intended to take all traffic to and from a site under normal circumstances. There is another router on the site with an ADSL line intended as a backup to the leased line. So for traffic leaving that site I can easily choose that it goes via the leased line. The ADSL terminates on a particular BAS which receives a per-user static route from a radius server once ppp authentication occers.
Now, a second site only has an ADSL line. It terminates on the same BAS. So when traffic from that site hits the BAS going to the site with ADSL as backup it sees a static route with an AD of 1 via what is supposed to be the backup ADSL line and it sends traffic that way. If the backup ADSL line wasn't up there is another route that will go to a PE and over the leased line. The radius server is sending the per-user static route with an AD of 210 but the BAS seems to ignore this and installs it with AD of 1 hence beating the dynamic protocol AD.
My thought was since the ADSL line is configured as a dialer we could try to emply some of the ISDN type dialer configurations to keep the line from coming up and authenticating until it is needed and therefore keeping the per user static route out of the BAS routing table until the line is needed.
I have no idea why the BAS is not accepting the AD of 210 supplied by Radius but I am not in control of that part of the circuit. I am in control of the ADSL router used for backup and as such hoped there was something I could do there to influence the problem. I could run a routing protocol but wanted to try and see if I could keep the ADSL down somehow first.
S. -
Urgent--dial backup with a PPPOE configuration
Hi all. I have a pppoe for my DSL connection. I cannot get the dial backup to work while the dsl is working.
Hi,
I think there are few problems:
1. the backup interface command should be applied under the dialer interface
2. the dialer interface will never go down unless you shut it
Let' try to configure dialer watch (http://www.cisco.com/en/US/docs/ios/12_0/dial/configuration/guide/dcdbakdw.html) or may be enhanced object tracking (http://www.cisco.com/en/US/products/sw/iosswrel/ps5413/products_feature_guide09186a00801d862d.html).
Hope it helps, rate if does
Krisztian -
Options: dial backup not using ISDN
This is my first post here. I hope I'm in the right place. I need to provide dial backup to one of our locations but it is too far to run an ISDN circuit to them. Mgt. says too expensive and wants a dial backup solution across a POTS line. The site was just upgraded to VOIP. We only need to allow data traffic.
We have a 2821 router running 12.4(3) version IOS. Not sure what the best option is here. Maybe another alternate way other than a modem and a POTS line. I am just looking for ideas if anyone has them. ThanksHello,
since cost is a concern, you could just use the AUX port (provided the device at the remote location has one) to configure a dial backup solution. This would still involve using a POTS line, but that is probably the cheapest way to get any sort of backup accomplished. Below is a configuration example. Regarding the voice traffic that should not traverse the backup connection, you would need to deny that traffic to trigger the backup, as well as to get across. In order to accomplish this, you would need to configure an access list that denies VoIP traffic, for Cisco, this would typically look like this:
access-list 101 deny tcp any any eq 1720
access-list 101 deny udp any any range 16384 32767
access-list permit ip any any
This access list then would need to be applied to the async interface (based on the configuration example given), as well as to the dialer list that triggers the backup:
interface Async65
ip access-group 101 out
dialer-list 1 protocol ip list 101
Configuring AUX-to-AUX Port Async Backup with Dialer Watch
http://www.cisco.com/en/US/tech/tk801/tk36/technologies_configuration_example09186a0080093d2b.shtml
HTH,
GP -
Please, does anyone know if the AUX ports in 1841 and 2801 support dial-backup, for example, using PPP ?
Thanks,
CleberHello,
TMBK they do. Check this document for configuration details:
Configuring AUX-to-AUX Port Async Backup with Dialer Watch
http://www.cisco.com/en/US/tech/tk801/tk36/technologies_configuration_example09186a0080093d2b.shtml
HTH,
GNT -
We recently purchased a C819G-4G-V-K9 for a remote site that has no ISP available. I can't seem to get this working properly. I can tell the cell portion is up and working becuase I can send the router a text message and I receive it on the router. The cell 0 interface however, is not getting a dhcp address. Below is my configuration:
hostname Router
boot-start-marker
boot system flash:c800-universalk9-mz.SPA.153-3.M.bin
boot-end-marker
aqm-register-fnf
no aaa new-model
memory-size iomem 10
ip cef
no ipv6 cef
multilink bundle-name authenticated
chat-script lte "" "AT!CALL1" TIMEOUT 60 "OK"
license udi pid C819G-4G-V-K9 sn FTX180680R8
vtp domain MobileCell
vtp mode transparent
controller Cellular 0
interface Cellular0
ip address negotiated previous
ip nat outside
ip virtual-reassembly in
encapsulation slip
dialer in-band
dialer string lte
dialer-group 1
async mode interactive
interface FastEthernet0
no ip address
interface FastEthernet1
no ip address
interface FastEthernet2
no ip address
interface FastEthernet3
no ip address
interface GigabitEthernet0
no ip address
shutdown
duplex auto
speed auto
interface Serial0
no ip address
shutdown
clock rate 2000000
interface Vlan1
ip address 192.168.0.1 255.255.255.0
ip nat inside
ip virtual-reassembly in
ip forward-protocol nd
no ip http server
no ip http secure-server
ip nat inside source list 1 interface Cellular0 overload
ip route 0.0.0.0 0.0.0.0 Cellular0
dialer-list 1 protocol ip list 1
access-list 1 permit any
control-plane
mgcp behavior rsip-range tgcp-only
mgcp behavior comedia-role none
mgcp behavior comedia-check-media-src disable
mgcp behavior comedia-sdp-force disable
mgcp profile default
line con 0
script dialer lte
no modem enable
line aux 0
script dialer lte
modem InOut
no exec
line 2
no activation-character
no exec
transport preferred none
transport input all
stopbits 1
line 3
script dialer lte
modem InOut
no exec
line vty 0 4
login
transport input all
scheduler allocate 20000 1000
end
Cellular0 is up (spoofing), line protocol is up (spoofing)
Hardware is 4G WWAN Modem - Verizon Multimode LTE/eHRPD/EVDO RevA/Rev0/1xRTT
Internet address will be assigned dynamically by the network
MTU 1500 bytes, BW 9 Kbit/sec, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation SLIP, loopback not set
Keepalive not supported
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/10 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=down DSR=down DTR=up RTS=up CTS=up
Router#sh ip int bri
Interface IP-Address OK? Method Status Protocol
Cellular0 unassigned YES manual up up
FastEthernet0 unassigned YES unset down downNot sure if you solved your problem yet, but my Cell0 has a few extra lines. I also have a static IP, so it might not be exactly the same as yours.
interface Cellular0
ip address negotiated
no ip unreachables
ip nat outside
ip virtual-reassembly in
encapsulation slip
load-interval 30
dialer in-band
dialer idle-timeout 0
dialer string lte
dialer watch-group 1
async mode interactive
routing dynamic
ip sla auto discovery
access-list 100 permit ip any any
dialer watch-list 1 ip 5.6.7.8 0.0.0.0
dialer watch-list 1 delay route-check initial 60
dialer watch-list 1 delay connect 1
dialer-list 1 protocol ip permit
Cellular0 is up, line protocol is up
Hardware is 4G WWAN Modem - Verizon Multimode LTE/eHRPD/EVDO RevA/Rev0/1xRTT
Internet address is xxx.xxx.xxx.xxx/32
MTU 1500 bytes, BW 50000 Kbit/sec, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation SLIP, loopback not set
Keepalive not supported
Last input 00:00:00, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 264
Queueing strategy: fifo
Output queue: 0/10 (size/max)
30 second input rate 11000 bits/sec, 16 packets/sec
30 second output rate 11000 bits/sec, 16 packets/sec
1242186 packets input, 660512785 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
1164618 packets output, 233386561 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up -
Cisco 876w: wlan client - routing problem
I configured a Cisco 876w to connect to an existing WLAN as a client. Now I would like to connect 3 PCs to the 876w which should be able to access the internet via the 876w.
Problem:
Being at the console (ssh) of the 876w, I can ping hosts in the internet (even with their name like www.google.com) but when I'm using a client PC, I can't... What am I missing here? Could it be a NAT problem?
Config:
Internet <---> DSL Router 192.168.1.1 (and WLAN AccessPoint) <---> Cisco 876w (gets IP per DHCP, VLAN1 IP: 10.10.10.1) <---> PC (10.10.10.101)
Current configuration : 9897 bytes
version 12.4
no service pad...dot11 vlan-name wlan-lan vlan 1
dot11 ssid WLAN
vlan 1
authentication open
authentication key-management wpa
wpa-psk ascii 7 0923467F1B2E52789807132F7A202E3D31
no ip source-route
ip dhcp excluded-address 10.10.10.1 10.10.10.9
ip dhcp excluded-address 10.10.10.101 10.10.10.254
ip dhcp pool ccp-pool1
import all
network 10.10.10.0 255.255.255.0
default-router 10.10.10.1
domain-name cisco.test.com
dns-server 208.67.222.222
ip cef
no ip bootp server
ip domain name test.com
ip name-server 208.67.222.222ip ddns update method sdm_ddns1
HTTP
add http://[email protected]/nic/update?system=dyndns&hostname=//[email protected]/nic/update?system=dyndns&hostname=<h>&myip=<a>
remove http://[email protected]/nic/update?system=dyndns&hostname=//[email protected]/nic/update?system=dyndns&hostname=<h>&myip=<a>
no ipv6 cef
multilink bundle-name authenticated
isdn switch-type basic-net3
username admin privilege 15 secret 5 $1$uiouLKjbLIUBlKbj
username service privilege 15 secret 5 $1$LKjblkJNBLKkjlbkm
archive
log config
hidekeys
ip tcp synwait-time 10
ip ssh time-out 60
ip ssh authentication-retries 2
class-map type inspect match-all sdm-cls--1
match access-group name AllowAny
policy-map type inspect sdm-policy-sdm-cls--1
class type inspect sdm-cls--1
inspect
class class-default
drop
zone security wan
zone security lan
zone-pair security sdm-zp-lan-wan source lan destination wan
service-policy type inspect sdm-policy-sdm-cls--1
interface BRI0
description <--
no ip address
ip flow ingress
ip virtual-reassembly
encapsulation ppp
shutdown
dialer pool-member 1
isdn switch-type basic-net3
isdn point-to-point-setup
ppp multilink!
interface ATM0
backup interface BRI0
no ip address
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
shutdown
no atm ilmi-keepalive
interface ATM0.3 point-to-point
description <--
ip flow ingress
shutdown
pvc 1/32
pppoe-client dial-pool-number 2
interface FastEthernet0
interface FastEthernet1
interface FastEthernet2
interface FastEthernet3
interface Dot11Radio0
description <--
no ip address
no ip proxy-arp
ip flow ingress
ip virtual-reassembly
no ip route-cache cef
no ip route-cache
encryption mode ciphers aes-ccm
encryption vlan 1 mode ciphers aes-ccm
ssid WLAN
speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0 54.0
station-role non-root
no cdp enable
interface Dot11Radio0.1
encapsulation dot1Q 1 native
ip address dhcp
ip nat outside
ip virtual-reassembly
no ip route-cache
no cdp enable
interface Vlan1
description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$$ES_LAN$$FW_INSIDE$
ip address 10.10.10.1 255.255.255.0
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
ip nat inside
ip virtual-reassembly
zone-member security lan
ip tcp adjust-mss 1412
interface Dialer0
ip ddns update hostname blahblah.dnsalias.com
ip ddns update sdm_ddns1
ip address negotiated
ip nat outside
ip virtual-reassembly
zone-member security wan
encapsulation ppp
shutdown
dialer pool 1
dialer idle-timeout 600
dialer string 01919214124
dialer load-threshold 20 outbound
dialer watch-group 1
dialer-group 1
no cdp enable
ppp authentication chap pap callin
ppp chap hostname asfa
ppp chap password 7 128763520
ppp pap sent-username asfa password 7 0302141555
ppp multilink
interface Dialer2
ip ddns update sdm_ddns1
ip address negotiated
ip mtu 1452
ip nat outside
ip virtual-reassembly
zone-member security wan
encapsulation ppp
dialer pool 2
dialer-group 2
no cdp enable
ppp authentication chap pap callin
ppp chap hostname gast
ppp chap password 7 095B239876473F06090A
ppp pap sent-username gast password 7 1239847629873693D
router rip
network 10.0.0.0
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 192.168.1.1
ip http server
ip http access-class 23ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
ip nat inside source list 105 interface Dialer0 overload
ip nat inside source list 106 interface Dot11Radio0.1 overload
ip access-list extended AllowAny
remark CCP_ACL Category=128
permit ip 10.10.10.0 0.0.0.255 any
ip access-list extended nix
remark tut nix
remark CCP_ACL Category=2
permit tcp any any
permit udp any any
permit icmp any any
permit ip any any
logging trap debugging
access-list 1 remark INSIDE_IF=Vlan1
access-list 1 remark CCP_ACL Category=2
access-list 1 permit 10.10.10.0 0.0.0.255
access-list 100 remark CCP_ACL Category=2
access-list 100 permit ip any any
access-list 101 remark CCP_ACL Category=2
access-list 101 permit ip 10.10.10.0 0.0.0.255 any
access-list 102 remark CCP_ACL Category=2
access-list 102 permit ip 10.10.10.0 0.0.0.255 any
access-list 103 remark CCP_ACL Category=2
access-list 103 permit ip 10.10.10.0 0.0.0.255 any
access-list 105 remark Alles
access-list 105 remark CCP_ACL Category=2
access-list 105 permit ip 10.10.10.0 0.0.0.255 any
access-list 105 permit icmp 10.10.10.0 0.0.0.255 any
access-list 105 permit udp 10.10.10.0 0.0.0.255 any
access-list 105 permit tcp 10.10.10.0 0.0.0.255 any
access-list 106 remark NAT wlan
access-list 106 remark CCP_ACL Category=2
access-list 106 permit ip 10.10.10.0 0.0.0.255 any
access-list 106 permit icmp 10.10.10.0 0.0.0.255 any
access-list 106 permit udp 10.10.10.0 0.0.0.255 any
access-list 106 permit tcp 10.10.10.0 0.0.0.255 any
dialer watch-list 1 ip 208.67.222.222 255.255.255.255
dialer-list 1 protocol ip permit
no cdp run
radius-server attribute 32 include-in-access-req format %h
radius-server vsa send accounting
control-plane
banner exec ^C
% Password expiration warning.
Cisco Configuration Professional (Cisco CP) is installed on this device
and it provides the default username "cisco" for one-time use. If you have
already used the username "cisco" to login to the router and your IOS image
supports the "one-time" user option, then this username has already expired.
You will not be able to login to the router with this username after you exit
this session.
It is strongly suggested that you create a new username with a privilege level
of 15 using the following command.
username <myuser> privilege 15 secret 0 <mypassword>
Replace <myuser> and <mypassword> with the username and password you
want to use.
^C
banner login ^CAuthorized access only!
Disconnect IMMEDIATELY if you are not an authorized user!^C
line con 0
no modem enable
transport output telnet
line aux 0
transport output telnet
line vty 0 4
transport input telnet ssh
scheduler max-task-time 5000
scheduler allocate 4000 1000
scheduler interval 500
end
#sh ip int brief
ndrmedienturm#sh ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0 unassigned YES unset up up
FastEthernet1 unassigned YES unset up down
FastEthernet2 unassigned YES unset up down
FastEthernet3 unassigned YES unset up down
BRI0 unassigned YES NVRAM standby mode/disabled down
BRI0:1 unassigned YES unset administratively down down
BRI0:2 unassigned YES unset administratively down down
Dot11Radio0 unassigned YES TFTP up up
Dot11Radio0.1 unassigned YES DHCP up up
ATM0 unassigned YES NVRAM administratively down down
ATM0.3 unassigned YES unset administratively down down
SSLVPN-VIF0 unassigned NO unset up up
Vlan1 10.10.10.1 YES NVRAM up up
NVI0 unassigned YES unset administratively down down
Dialer0 unassigned YES NVRAM administratively down down
Dialer2 unassigned YES NVRAM up up
Virtual-Dot11Radio0 unassigned YES TFTP up up
Virtual-Dot11Radio0.1 192.168.1.54 YES DHCP up upHi,
Just check it out few things from client are you able to ping the wan interface of the cisco 876w and when you ping the internt address from client pc what is the out put of the nat translation in router.
The command to check the same is show ip nat translation is packet is gettin translated or not.
Hope to Help !!
Ganesh.H -
I am seeing a curious bug concerning maxlinks and currlinks.
In my dialin router, I have several users defined locally. Each username is allowed to use ppp multilink, and I have also defined a maxlinks in the username command:
<b>
username xxxx user-maxlinks 2 secret ...
</b>
Sometimes, I find that users cannot add a second link to their bundle. If I debug dialer events, I see that currlinks=2, maxlinks=2, so the new call is rejected. But the user has only one link up.
This looks like a bug in the router's running count of currlinks. I have the impression that sometimes when a call gets cleared, the currlinks gets decremented against the wrong username, or something like that. My evidence is two debug messages:
Se1/0:2: Dialer-peruser: Decremented user yyyy's currlinks, currlinks=0 maxlinks=2
Se1/0:1: Dialer-peruser: User yyyy's dialerperuser structure freed already
Serial1/0:1: Dialer-peruser: failure decrementing currlinks during mlp_remove_link
Maybe the error message above occurs because the bundle can be dialout as well as dialin. Is is possible that currlinks gets incremented on dial in, but not on dial out, but decremented when both types of call get cleared? Certainly the pattern for the case above was for a user that was allowed 4 links. I dialed out one channel, then he added another two to the ML bundle.
Maybe we are dealing with two different bugs here?
Anyone else seen this?
Kevin Dorrell
LuxembourgWhether I persue it or not will depend on how much pain it gives me, how easy it is to demonstrate, and whether my time is better spent doing other work like learning in the lab or on NetPro.
This bug actually is likely to give quite a lot of pain in the long term, because it will limit the capacity of the dialins over time. But there is a workaround, which is not to limit the number of links.
The real reason for exposing the bug here is to see if anyone else has noticed it, and help me characterize it. When presenting a bug to Cisco, if you can present a repeatable set of conditions that produce it, then they are more likely to take notice.
Characterizing the bug also makes it easier to test if it has been fixed in the next release. I think this one should be quite easy to reproduce. It just needs a bit of detective work, which is presicely the sort of work I really enjoy!
Kevin Dorrell
Luxembourg
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