From: Warner, Thomas S (thomas.s.warner@lmco.com)
Date: Fri Sep 27 2002 - 16:16:44 GMT-3
Dave
It appears that your dialer map statement on the dialed router has the
incorrect IP address. You probably didn't catch it because you were staring
at the config for so long.
interface BRI0/0
ip address 135.3.14.3 255.255.255.0
encapsulation ppp
dialer map ip 139.9.14.5 name r5 broadcast
should be
interface BRI0/0
ip address 135.3.14.3 255.255.255.0
encapsulation ppp
dialer map ip 135.3.14.5 name r5 broadcast
So it makes since that routing updates went over the link from the dialing
router to the dialed router because the dialing router has the correct map
statement.
Debug ip packet on the dialed router should show you some "encapsulation
failed" messages when the router attempts to send traffic back to the
dialing router.
Tom Warner
Lockheed Martin Enterprise Information Systems
Computing and Network Services
email: mailto:thomas.s.warner@lmco.com
-----Original Message-----
From: Dave Stoddard [mailto:dstoddard@thrupoint.net]
Sent: Friday, September 27, 2002 2:55 PM
To: ccielab@groupstudy.com
Subject: IGRP over ISDN
I have the following abbreviated configuration between two routers. IGRP
exclusively is running over the ISDN interface. The complete routing table
is successfully sent between these routers. Yet, I can not ping a single
address across this same bri link, why? I had this working at one time, but
it for some reason it is no longer working. Makes me think I may have a
hardware issue, but this is extremely unlikely. I'm sure I'm missing
something that I must have changed to make something else work that has
caused this to no longer work. Please help. TIA!!!
Dialing router
**************
version 12.1
service password-encryption
!
hostname r5
!
aaa new-model
aaa authentication login default none
aaa authentication ppp default if-needed local
enable secret 5 $1$ClB8$YXcGQA3C9HxeA0DVexDAB1
!
username r3 password 7 094F471A1A0A
!
isdn switch-type basic-ni
!
interface Loopback0
ip address 135.3.5.5 255.255.255.0
!
interface Ethernet0
backup interface BRI0
ip address 135.3.10.5 255.255.255.0
!
interface BRI0
ip address 135.3.14.5 255.255.255.0
encapsulation ppp
dialer map ip 135.3.14.3 name r3 broadcast 8358661
dialer map ip 135.3.14.3 name r3 broadcast 8358663
dialer load-threshold 64 either
dialer-group 1
isdn switch-type basic-ni
isdn spid1 0835866201 8358662
isdn spid2 0835866401 8358664
ppp authentication chap callin
ppp multilink
!
router igrp 100
network 135.3.0.0
metric weights 0 1 1 1 0 0
!
dialer-list 1 protocol ip permit
dialer-list 1 protocol ipx permit
Dialed router
*************
version 12.1
service password-encryption
!
hostname r3
!
aaa new-model
aaa authentication login default none
aaa authentication ppp default if-needed local
enable secret 5 $1$vkdb$cnQCy3Gnw9CAc8dQOQ2gJ0
!
username r5 password 7 045802150C2E
!
isdn switch-type basic-ni
!
!
!
interface Loopback0
ip address 135.3.3.3 255.255.255.0
ip ospf network point-to-point
!
interface Ethernet0/0
ip address 135.3.20.3 255.255.255.0
no ip redirects
ip ospf network broadcast
!
interface Serial0/0
ip address 135.3.13.3 255.255.255.0
no fair-queue
clockrate 64000
!
interface BRI0/0
ip address 135.3.14.3 255.255.255.0
encapsulation ppp
dialer map ip 139.9.14.5 name r5 broadcast
dialer load-threshold 64 either
dialer-group 1
ipx network 14
isdn switch-type basic-ni
isdn spid1 0835866101 8358661
isdn spid2 0835866301 8358663
ppp authentication chap
ppp multilink
!
interface Serial0/1
ip address 135.3.12.3 255.255.255.248
encapsulation frame-relay
ip ospf authentication message-digest
ip ospf message-digest-key 1 md5 7 0518030C345E4B
ip ospf network non-broadcast
ipx network 12
frame-relay map ip 135.3.12.3 301 broadcast
frame-relay map ip 135.3.12.4 301 broadcast
frame-relay map ipx 12.0003.0003.0003 301 broadcast
frame-relay map ip 135.3.12.6 301 broadcast
frame-relay map ipx 12.0004.0004.0004 301 broadcast
frame-relay map ipx 12.0006.0006.0006 301 broadcast
no frame-relay inverse-arp
!
router ospf 100
router-id 135.3.3.3
log-adjacency-changes
area 1 authentication message-digest
area 1 range 135.3.12.0 255.255.255.0
area 1 virtual-link 135.3.4.4 authentication message-digest
area 1 virtual-link 135.3.4.4 message-digest-key 1 md5 7 0017160511490E
redistribute rip metric 100 subnets
redistribute igrp 100 metric 100 subnets
passive-interface Serial0/0
passive-interface BRI0/0
network 135.3.3.0 0.0.0.255 area 1
network 135.3.12.0 0.0.0.7 area 1
network 135.3.20.0 0.0.0.255 area 33
!
router rip
redistribute ospf 100 metric 1
redistribute igrp 100 metric 1
passive-interface Ethernet0/0
passive-interface BRI0/0
passive-interface Serial0/1
network 135.3.0.0
!
router igrp 100
redistribute ospf 100 metric 10000 1000 250 1 1500
redistribute rip metric 10000 1000 250 1 1500
passive-interface Ethernet0/0
passive-interface Serial0/0
passive-interface Serial0/1
network 135.3.0.0
metric weights 0 1 1 1 0 0
!
dialer-list 1 protocol ip permit
dialer-list 1 protocol ipx permit
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