From: Yurchenko, Michael (michael.yurchenko@xxxxxxxxxxx)
Date: Mon Dec 04 2000 - 17:22:56 GMT-3
Try increasing metric when you redistribute from igrp to ospf?
-----Original Message-----
From: Andrew Lennon [mailto:andrew.lennon@nscglobal.com]
Sent: Monday, December 04, 2000 2:30 PM
To: ccielab@groupstudy.com
Subject: Demand routes in OSPF
Hi all,
I seem to be experiencing a problem with OSPf Demand routes.
R2 is running OSPF and IGRP, R5 is running OSPF NBMA. Both are connected
via a BRI using On demand. The line comes up and goes down as normal, but it
appears that certain routes on R5 that should have returned to S0 from BRI0
after it goes down do not switch back. The only way I can get them to revert
back to S0 is by shutting down BRI0 on R5. I am running 12.0(8). I have
included config snips. Any help would be greatly appreciated as I cant see
where I am going wrong
Everything works as expected, until i bring s0 on r5 back up. The routes
brought into ospf from IGRP just dont revert back!
Many Thanks
Andy
R2: ospf and igrp
interface Serial0
bandwidth 2000
ip address 172.16.164.2 255.255.255.0
no ip directed-broadcast
no ip mroute-cache
no fair-queue
interface BRI0
bandwidth 64
ip address 172.16.130.254 255.255.255.252
no ip directed-broadcast
encapsulation ppp
dialer idle-timeout 90
dialer map ip 172.16.130.253 name r2504b broadcast 1111
dialer-group 1
isdn switch-type basic-net3
no cdp enable
ppp authentication chap callin
ppp chap hostname ccielab
ppp chap password 7 1306141B0E000528
router ospf 100
redistribute connected subnets route-map filter-bri0
redistribute igrp 100 metric 50 metric-type 1 subnets route-map igrp-route
network 172.16.2.0 0.0.0.255 area 0
network 172.16.130.252 0.0.0.3 area 5
network 172.16.132.0 0.0.3.255 area 0
!
router igrp 100
passive-interface BRI0
passive-interface Serial1
passive-interface Ethernet0
network 172.16.0.0
default-metric 2000 100 255 1 1500
!
access-list 1 permit 172.16.130.252 0.0.0.3
access-list 10 permit 172.16.7.0 0.0.0.255
access-list 10 permit 172.16.160.0 0.0.0.255
access-list 10 permit 172.16.161.0 0.0.0.255
access-list 10 permit 172.16.162.0 0.0.0.255
access-list 10 permit 172.16.163.0 0.0.0.255
access-list 10 permit 172.16.164.0 0.0.0.255
access-list 11 deny any
dialer-list 1 protocol ip permit
route-map igrp-route permit 10
match ip address 10
!
route-map igrp-route deny 20
match ip address 11
!
route-map filter-bri0 deny 10
match ip address 1
!
route-map filter-bri0 permit 20
r5: ospf only
interface Loopback0
ip address 172.16.5.5 255.255.255.0
no ip directed-broadcast
!
interface Serial0
bandwidth 2000
ip address 172.16.130.5 255.255.255.240
no ip directed-broadcast
encapsulation frame-relay
ip ospf network broadcast
ip ospf priority 0
no ip mroute-cache
no fair-queue
cdp enable
frame-relay map ip 172.16.130.6 102 broadcast
frame-relay map ip 172.16.130.10 102 broadcast
no frame-relay inverse-arp
!
interface BRI0
bandwidth 64
ip address 172.16.130.253 255.255.255.252
no ip directed-broadcast
encapsulation ppp
ip ospf demand-circuit
shutdown
dialer map ip 172.16.130.254 name r2503a broadcast 2222
dialer-group 1
isdn switch-type basic-net3
ppp authentication chap
!
router ospf 100
network 172.16.5.0 0.0.0.255 area 1
network 172.16.100.0 0.0.0.3 area 1
network 172.16.130.0 0.0.0.31 area 1
network 172.16.130.252 0.0.0.3 area 5
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