From: Steve! (stewells@xxxxxxxxxxxxxxxx)
Date: Mon Dec 04 2000 - 20:17:46 GMT-3
Andrew,
R5 does not have any interfaces assisgned to Area 0 and you are not using a
virtual link? ??? This seems odd.
----- Original Message -----
From: "Andrew Lennon" <andrew.lennon@nscglobal.com>
To: <ccielab@groupstudy.com>
Sent: Monday, December 04, 2000 2:30 PM
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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