Re: RIP-OSPF Connectivity when using backup BRI

From: CHINMAY (routereng2@idbibank.com)
Date: Tue Sep 30 2003 - 00:33:21 GMT-3


Try using "broadcast " in dialer map config under BRI in R5.

Regards
chinmay

"Charles T. Alexander" wrote:

> Still having problems with IPExpert #31
>
> I have full connectivity when all circuits are up, but if I fail the r2
> serial link to r5 (at the frame switch) the Bri comes up but, my
> connecivity goes away, that is routes are not be distributed between
> ospf and rip.
>
> I have attached config for r2 and r5 and the the debug ip rip for both
> which seem to me to say that all routes are being passed on r5 but not
> processed on r2.
>
> r5#r
> Building configuration...
>
> Current configuration : 4687 bytes
> !
> version 12.1
> no service single-slot-reload-enable
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname r5
> !
> logging buffered 10000 debugging
> enable password radnor
> !
> username r2 password 0 ctasta
> !
> !
> !
> !
> ip subnet-zero
> no ip domain-lookup
> !
> ip multicast-routing
> isdn switch-type basic-ni
> !
> key chain chucko
> key 1
> key-string chucko
> !
> !
> !
> !
> dlsw local-peer peer-id 192.168.5.5 promiscuous
> dlsw icanreach mac-address 0005.0005.0005 mask ffff.ffff.ffff
> dlsw bridge-group 1
> !
> interface Loopback0
> ip address 192.168.5.5 255.255.255.0
> !
> interface BRI0/0
> ip address 172.31.25.5 255.255.255.0
> ip rip authentication mode md5
> ip rip authentication key-chain chucko
> encapsulation ppp
> dialer idle-timeout 600
> dialer map ip 172.31.25.2 name r2
> dialer-group 1
> isdn switch-type basic-ni
> isdn spid1 40822222221
> isdn spid2 40822222222
> ppp authentication chap
> !
> interface Ethernet0/0
> ip address 172.31.200.5 255.255.255.128
> no ip redirects
> ip pim sparse-dense-mode
> ip igmp join-group 231.1.1.1
> bridge-group 1
> !
> interface TokenRing0/0
> no ip address
> shutdown
> ring-speed 16
> !
> interface Serial1/0
> no ip address
> encapsulation frame-relay
> serial restart-delay 0
> no frame-relay inverse-arp
> frame-relay lmi-type ansi
> !
> interface Serial1/0.52 point-to-point
> ip address 172.31.52.5 255.255.255.252
> ip rip authentication mode md5
> ip rip authentication key-chain chucko
> frame-relay interface-dlci 501
> !
> interface Serial1/0.546 multipoint
> ip address 172.31.100.5 255.255.255.240
> ip pim sparse-mode
> frame-relay map ip 172.31.100.4 504 broadcast
> frame-relay map ip 172.31.100.5 504
> frame-relay map ip 172.31.100.6 506 broadcast
> !
> interface Serial1/1
> no ip address
> shutdown
> serial restart-delay 0
> !
> interface Serial1/2
> no ip address
> shutdown
> serial restart-delay 0
> !
> interface Serial1/3
> no ip address
> shutdown
> serial restart-delay 0
> !
> router ospf 1
> router-id 192.168.5.5
> log-adjacency-changes
> area 0 range 172.31.100.0 255.255.255.0
> area 1 range 172.31.200.0 255.255.255.0
> area 1 virtual-link 192.168.6.6
> area 1 virtual-link 192.168.7.7
> redistribute connected subnets route-map c2o
> redistribute rip subnets route-map r2o
> network 172.31.100.0 0.0.0.15 area 0
> network 172.31.200.0 0.0.0.127 area 1
> network 192.168.5.5 0.0.0.0 area 5
> neighbor 172.31.100.6
> neighbor 172.31.100.4
> !
> router rip
> version 2
> timers basic 30 180 0 240
> redistribute connected metric 1 route-map c2r
> redistribute ospf 1 metric 2 route-map o2r
> passive-interface Ethernet0/0
> passive-interface Serial1/0.546
> network 172.31.0.0
> default-information originate route-map conditional-default
> no auto-summary
> !
> router bgp 5678
> no synchronization
> bgp log-neighbor-changes
> aggregate-address 192.168.112.0 255.255.252.0
> neighbor pg567 peer-group
> neighbor pg567 remote-as 5678
> neighbor pg567 update-source Loopback0
> neighbor pg567 send-community
> neighbor 192.168.2.2 remote-as 12
> neighbor 192.168.2.2 ebgp-multihop 2
> neighbor 192.168.2.2 update-source Loopback0
> neighbor 192.168.2.2 prefix-list to2 out
> neighbor 192.168.4.4 remote-as 4
> neighbor 192.168.4.4 ebgp-multihop 2
> neighbor 192.168.4.4 update-source Loopback0
> neighbor 192.168.4.4 prefix-list to4 out
> neighbor 192.168.6.6 peer-group pg567
> neighbor 192.168.7.7 peer-group pg567
> no auto-summary
> !
> ip classless
> ip http server
> ip pim rp-address 192.168.5.5
> !
> !
> ip prefix-list to2 seq 10 deny 192.168.112.0/24
> ip prefix-list to2 seq 15 deny 192.168.112.0/22
> ip prefix-list to2 seq 20 permit 0.0.0.0/0 le 32
> !
> ip prefix-list to4 seq 25 permit 192.168.112.0/22
> access-list 1 permit 192.168.8.8
> access-list 2 permit 192.168.1.0 0.0.0.255
> access-list 2 permit 172.31.12.0 0.0.0.255
> access-list 2 permit 192.168.2.0 0.0.0.255
> access-list 2 permit 172.31.10.0 0.0.0.255
> access-list 3 permit 192.168.5.5
> access-list 3 permit 172.31.25.0 0.0.0.255
> access-list 3 permit 172.31.52.4 0.0.0.3
> access-list 3 permit 172.31.100.0 0.0.0.128
> access-list 4 permit 172.31.0.0 0.0.255.255
> access-list 4 permit 192.168.0.0 0.0.255.255
> dialer-list 1 protocol ip permit
> route-map c2r permit 10
> match ip address 3
> !
> route-map r2o permit 10
> match ip address 2
> !
> route-map o2r permit 10
> match ip address 4
> !
> route-map conditional-default permit 10
> match ip address 1
> set interface Serial1/0.52
> !
> route-map c2o permit 10
> match ip address 3
> !
> !
> bridge 1 protocol ieee
> alias exec i show ip route
> alias exec r show run
> alias exec c config t
> alias exec u undebug all
> alias exec b show ip bgp
> alias exec bs show ip bgp sum
> alias exec s show ip int brief
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> escape-character 27
> line aux 0
> line vty 0 4
> exec-timeout 0 0
> password bp
> login
> !
> end
>
> r5#
>
> r5#
> 21:34:54: RIP: received packet with MD5 authentication
> 21:34:54: RIP: received v2 update from 172.31.25.2 on BRI0/0
> 21:34:54: 172.31.10.0/24 via 0.0.0.0 in 2 hops
> 21:34:54: 172.31.12.0/24 via 0.0.0.0 in 1 hops
> 21:34:54: 192.168.1.0/24 via 0.0.0.0 in 2 hops
> 21:34:54: 192.168.2.2/32 via 0.0.0.0 in 1 hops
> 21:34:54: RIP: Update contains 4 routes
> r5#
> 21:35:06: RIP: sending v2 update to 224.0.0.9 via BRI0/0 (172.31.25.5)
> 21:35:06: RIP: build update entries
> 21:35:06: 172.31.40.0/24 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 172.31.69.0/24 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 172.31.78.0/24 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 172.31.80.0/24 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 172.31.90.128/28 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 172.31.100.0/24 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 172.31.100.0/28 via 0.0.0.0, metric 1, tag 0
> 21:35:06: 172.31.200.0/24 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 172.31.200.0/25 via 0.0.0.0, metric 1, tag 0
> 21:35:06: 192.168.4.4/32 via 0.0.0.0, metric 2, tag 0
> r5#
> 21:35:06: 192.168.6.6/32 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 192.168.7.7/32 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 192.168.8.8/32 via 0.0.0.0, metric 2, tag 0
> 21:35:06: 192.168.9.9/32 via 0.0.0.0, metric 2, tag 0
> 21:35:06: RIP: Update contains 14 routes
> 21:35:06: RIP: Update queued
> 21:35:06: RIP: Update sent via BRI0/0
> r5#
>
> r2#r
> Building configuration...
>
> Current configuration : 2915 bytes
> !
> ! Last configuration change at 17:36:21 UTC Thu Mar 4 1993
> ! NVRAM config last updated at 19:13:33 UTC Thu Mar 4 1993
> !
> version 12.2
> no service single-slot-reload-enable
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname r2
> !
> logging buffered 10000 debugging
> logging rate-limit console 10 except errors
> enable password radnor
> !
> username r5 password 0 ctasta
> ip subnet-zero
> no ip finger
> no ip domain-lookup
> !
> no ip dhcp-client network-discovery
> isdn switch-type basic-ni
> !
> key chain chucko
> key 1
> key-string chucko
> !
> !
> !
> !
> interface Loopback0
> ip address 192.168.2.2 255.255.255.255
> !
> interface Loopback1
> ip address 24.24.24.24 255.255.255.0
> !
> interface Ethernet0
> ip address 172.31.12.2 255.255.255.0
> ip rip send version 1
> ip rip receive version 1
> ip summary-address rip 172.31.52.0 255.255.255.0
> !
> interface Serial0
> backup delay 5 5
> backup interface BRI0
> ip address 172.31.52.6 255.255.255.252
> ip rip authentication mode md5
> ip rip authentication key-chain chucko
> encapsulation frame-relay
> ip split-horizon
> frame-relay map ip 172.31.52.5 105 broadcast
> frame-relay map ip 172.31.52.6 106
> no frame-relay inverse-arp
> frame-relay lmi-type ansi
> !
> interface Serial1
> no ip address
> shutdown
> !
> interface BRI0
> ip address 172.31.25.2 255.255.255.0
> ip rip authentication mode md5
> ip rip authentication key-chain chucko
> encapsulation ppp
> dialer idle-timeout 600
> dialer map ip 172.31.25.5 name r5 broadcast 4082222222
> dialer-group 1
> isdn switch-type basic-ni
> isdn spid1 40811111111
> isdn spid2 40811111112
> cdapi buffers regular 0
> cdapi buffers raw 0
> cdapi buffers large 0
> ppp authentication chap
> !
> router rip
> version 2
> timers basic 30 180 0 240
> passive-interface Loopback0
> network 172.31.0.0
> network 192.168.2.0
> no auto-summary
> !
> router bgp 12
> no synchronization
> bgp log-neighbor-changes
> network 24.24.24.0 mask 255.255.255.0
> neighbor 192.168.1.1 remote-as 12
> neighbor 192.168.1.1 update-source Loopback0
> neighbor 192.168.5.5 remote-as 5678
> neighbor 192.168.5.5 ebgp-multihop 2
> neighbor 192.168.5.5 update-source Loopback0
> neighbor 192.168.5.5 route-map to24 out
> no auto-summary
> !
> ip kerberos source-interface any
> ip classless
> ip http server
> !
> access-list 1 permit 24.24.24.0 0.0.0.255
> dialer-list 1 protocol ip permit
> route-map to24 permit 10
> match ip address 1
> set metric 15
> set as-path prepend 12 12 12
> !
> route-map to24 permit 20
> !
> !
> alias exec i show ip route
> alias exec r show run
> alias exec c config t
> alias exec u undebug all
> alias exec b show ip bgp
> alias exec bs show ip bgp sum
> alias exec s show ip int brief
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> transport input none
> escape-character 27
> line aux 0
> line vty 0 4
> exec-timeout 0 0
> password bp
> login
> !
> ntp authentication-key 23 md5 13061F0708070B 7
> ntp authenticate
> ntp trusted-key 23
> ntp clock-period 17180006
> ntp server 192.168.1.1 key 23
> end
>
> r2#
>
> r2#
> 4d15h: RIP: sending v2 update to 224.0.0.9 via BRI0 (172.31.25.2)
> 4d15h: RIP: build update entries
> 4d15h: 172.31.10.0/24 via 0.0.0.0, metric 2, tag 0
> 4d15h: 172.31.12.0/24 via 0.0.0.0, metric 1, tag 0
> 4d15h: 192.168.1.0/24 via 0.0.0.0, metric 2, tag 0
> 4d15h: 192.168.2.2/32 via 0.0.0.0, metric 1, tag 0
> 4d15h: RIP: Update contains 4 routes
> 4d15h: RIP: Update queued
> 4d15h: RIP: sending v1 update to 255.255.255.255 via Ethernet0
> (172.31.12.2)
> 4d15h: RIP: build update entries
> 4d15h: subnet 172.31.25.0 metric 1
> 4d15h: subnet 172.31.25.5 metric 1
> 4d15h: network 192.168.2.0 metric 1
> 4d15h: RIP: Update contains 3 routes
> 4d15h: RIP: Update queued
> r2#
> 4d15h: RIP: Update sent via BRI0
> 4d15h: RIP: Update sent via Ethernet0
> r2#
> 4d15h: RIP: received v1 update from 172.31.12.1 on Ethernet0
> 4d15h: 172.31.10.0 in 1 hops
> 4d15h: 192.168.1.0 in 1 hops
> 4d15h: RIP: Update contains 2 routes
>
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