B3 is receiving prefixes from TR1 but B4 is not and I do not understand why
B4 Router
I am posting the sh run
B4
hostname B4
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
aaa new-model
!
!
!
!
aaa session-id common
no ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
ip domain name ws.nsrc.org
ipv6 unicast-routing
no ipv6 source-route
ipv6 cef
!
multilink bundle-name authenticated
!
!
key chain as40-key
key 1
key-string 7 151B181C082B29
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
ip tcp synwait-time 5
ip tcp path-mtu-discovery
!
!
!
!
interface Loopback0
description Loopback on Border
ip address 100.68.4.1 255.255.255.255
ipv6 address 2001:DB8:4::1/128
!
interface Null0
no ip unreachables
no ipv6 unreachables
!
interface FastEthernet0/0
description Link to internet
ip address 100.122.1.5 255.255.255.254
duplex half
ipv6 address 2001:19:0:10::1/127
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet1/1
description Link to Central
ip address 100.68.4.17 255.255.255.254
no ip redirects
no ip proxy-arp
ip router isis as40
duplex auto
speed auto
ipv6 address 2001:DB8:4:10::1/127
ipv6 nd prefix default no-advertise
ipv6 nd ra suppress
ipv6 router isis as40
isis network point-to-point
isis metric 2
isis ipv6 metric 2
!
router isis as40
net 49.0001.0004.0001.00
is-type level-2-only
authentication mode md5 level-2
authentication key-chain as40-key level-2
metric-style wide
set-overload-bit on-startup wait-for-bgp
log-adjacency-changes all
metric 100000
passive-interface Loopback0
!
address-family ipv6
multi-topology
set-overload-bit on-startup wait-for-bgp
metric 100000
exit-address-family
!
router bgp 40
no bgp default ipv4-unicast
bgp log-neighbor-changes
bgp deterministic-med
neighbor ibgp-rr peer-group
neighbor ibgp-rr remote-as 40
neighbor ibgp-rr description iBGP with RR
neighbor ibgp-rr update-source Loopback0
neighbor 2001:19:0:10:: remote-as 121
neighbor 2001:19:0:10:: description eBGP with TRANSIT N
neighbor 100.68.4.2 peer-group ibgp-rr
neighbor 100.68.4.2 description iBGP with Core
neighbor 100.122.1.4 remote-as 121
neighbor 100.122.1.4 description The Link To The TRANSIT Net
!
address-family ipv4
neighbor ibgp-rr send-community
neighbor ibgp-rr next-hop-self
neighbor 100.68.4.2 activate
neighbor 100.122.1.4 activate
neighbor 100.122.1.4 prefix-list FULL-ROUTES in
distance bgp 200 200 200
no auto-summary
no synchronization
exit-address-family
!
address-family ipv6
neighbor 2001:19:0:10:: activate
neighbor 2001:19:0:10:: prefix-list FULL-v6ROUTES in
distance bgp 200 200 200
exit-address-family
!
ip forward-protocol nd
ip route 100.122.1.1 255.255.255.255 100.68.1.5
no ip http server
no ip http secure-server
!
!
!
!
ip prefix-list FULL-ROUTES seq 5 permit 0.0.0.0/0 le 32
no cdp log mismatch duplex
!
!
ipv6 prefix-list FULL-v6ROUTES seq 5 permit ::/0 le 128
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
gatekeeper
shutdown
--More--
B3 Router
3#
B3#sh run
Building configuration...
Current configuration : 3715 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec localtime show-timezone year
service timestamps log datetime msec localtime show-timezone year
service password-encryption
!
hostname B3
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
aaa new-model
!
!
!
!
aaa session-id common
no ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
ip domain name ws.nsrc.org
ipv6 unicast-routing
no ipv6 source-route
ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
ip tcp synwait-time 5
ip tcp path-mtu-discovery
!
!
!
!
interface Loopback0
description Loopback on Core
ip address 100.68.3.1 255.255.255.255
ipv6 address 2001:DB8:3::1/128
!
interface Null0
no ip unreachables
no ipv6 unreachables
!
interface FastEthernet0/0
description Link to Central
ip address 100.122.1.1 255.255.255.254
duplex half
ipv6 address 2001:18:0:12::1/127
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
isis network point-to-point
isis metric 2
!
interface FastEthernet1/1
description Link to Central Router
ip address 100.68.3.17 255.255.255.254
no ip redirects
no ip proxy-arp
ip router isis as30
duplex auto
speed auto
ipv6 address 2001:DB8:3:10::1/127
ipv6 nd prefix default no-advertise
ipv6 nd ra suppress
ipv6 router isis as30
isis network point-to-point
isis metric 2
isis csnp-interval 10
isis ipv6 metric 2
!
router isis as30
net 49.0001.0003.0001.00
is-type level-2-only
metric-style wide
set-overload-bit on-startup wait-for-bgp
log-adjacency-changes all
metric 100000
!
address-family ipv6
multi-topology
set-overload-bit on-startup wait-for-bgp
metric 100000
exit-address-family
!
router bgp 30
no bgp default ipv4-unicast
bgp log-neighbor-changes
bgp deterministic-med
neighbor ibgp-rr peer-group
neighbor ibgp-rr remote-as 30
neighbor ibgp-rr description iBGP with RReflector Core
neighbor ibgp-rr update-source Loopback0
neighbor ibgpv6-rr peer-group
neighbor ibgpv6-rr remote-as 30
neighbor ibgpv6-rr description iBGP with RR
neighbor ibgpv6-rr update-source Loopback0
neighbor 2001:18:0:12:: remote-as 121
neighbor 2001:18:0:12:: description eBGP with TRANSIT N
neighbor 2001:DB8:3::2 peer-group ibgpv6-rr
neighbor 2001:DB8:3::2 description iBGP with Core
neighbor 100.68.3.2 peer-group ibgp-rr
neighbor 100.68.3.2 description iBGP with Core
neighbor 100.122.1.0 remote-as 121
neighbor 100.122.1.0 description The Link To The TRANSIT Net
!
address-family ipv4
neighbor ibgp-rr send-community
neighbor ibgp-rr next-hop-self
neighbor 100.68.3.2 activate
neighbor 100.122.1.0 activate
distance bgp 200 200 200
no auto-summary
no synchronization
exit-address-family
!
address-family ipv6
neighbor ibgpv6-rr send-community
neighbor ibgpv6-rr next-hop-self
neighbor 2001:18:0:12:: activate
neighbor 2001:18:0:12:: prefix-list FULL-v6ROUTES in
neighbor 2001:DB8:3::2 activate
distance bgp 200 200 200
exit-address-family
!
ip forward-protocol nd
ip route 100.68.1.5 255.255.255.255 100.122.1.0
ip route 100.122.1.5 255.255.255.255 100.68.1.5
no ip http server
no ip http secure-server
!
!
!
!
ip prefix-list FULL-ROUTES seq 5 permit 0.0.0.0/0 le 32
no cdp log mismatch duplex
!
!
ipv6 prefix-list FULL-v6ROUTES seq 5 permit ::/0 le 128
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
transport preferred none
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
transport preferred none
stopbits 1
line vty 0 4
transport preferred none
!
end
TR1 Router
TR1#sh run
Building configuration...
Current configuration : 3370 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec localtime show-timezone year
service timestamps log datetime msec localtime show-timezone year
service password-encryption
!
hostname TR1
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
aaa new-model
!
!
!
!
aaa session-id common
no ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
ip domain name ws.nsrc.org
ipv6 unicast-routing
no ipv6 source-route
ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
ip tcp synwait-time 5
ip tcp path-mtu-discovery
!
!
!
!
interface Loopback0
description Loopback on Border
ip address 100.68.1.5 255.255.255.255
ipv6 address 2001:DB8:1::5/128
!
interface FastEthernet0/0
description Link to AS10
ip address 100.122.1.0 255.255.255.254
duplex half
ipv6 address 2001:18:0:12::/127
!
interface FastEthernet1/0
description Link to AS30
ip address 100.122.1.4 255.255.255.254
duplex auto
speed auto
ipv6 address 2001:19:0:10::/127
!
interface FastEthernet1/1
description Link to TR2 (and to the world)
ip address 100.121.0.1 255.255.255.254 secondary
ip address 10.10.0.236 255.255.255.0
duplex auto
speed auto
ipv6 address 2001:18::1/127
ipv6 address 2001:DB8:100::236/64
!
router bgp 121
no bgp default ipv4-unicast
bgp log-neighbor-changes
bgp deterministic-med
neighbor 2001:18:: remote-as 123
neighbor 2001:18:: description e-BGP with Transit TR2
neighbor 2001:18:: ttl-security hops 1
neighbor 2001:18:: password 7 00263436085A09
neighbor 2001:18:0:12::1 remote-as 30
neighbor 2001:18:0:12::1 description remote-as 30
neighbor 2001:19:0:10::1 remote-as 40
neighbor 2001:19:0:10::1 description Link to AS 40
neighbor 100.121.0.0 remote-as 123
neighbor 100.121.0.0 description eBGP with TR2
neighbor 100.121.0.0 ttl-security hops 1
neighbor 100.121.0.0 password 7 112B3E351B1309
neighbor 100.121.1.3 remote-as 40
neighbor 100.121.1.3 description Link to Border Router AS40
neighbor 100.122.1.1 remote-as 30
neighbor 100.122.1.1 description Link to Border Router AS30
!
address-family ipv4
neighbor 100.121.0.0 activate
neighbor 100.121.1.3 activate
neighbor 100.121.1.3 default-originate
neighbor 100.122.1.1 activate
neighbor 100.122.1.1 default-originate
distance bgp 200 200 200
no auto-summary
no synchronization
network 100.121.0.0 mask 255.255.0.0
network 100.122.0.0 mask 255.255.0.0
exit-address-family
!
address-family ipv6
neighbor 2001:18:: activate
neighbor 2001:18:0:12::1 activate
neighbor 2001:18:0:12::1 default-originate
neighbor 2001:19:0:10::1 activate
distance bgp 200 200 200
network 2001:10::/32
network 2001:18::/32
network 2001:19::/32
exit-address-family
!
ip forward-protocol nd
ip route 100.122.0.0 255.255.0.0 Null0
ip route 100.122.1.3 255.255.255.255 100.122.1.3
no ip http server
no ip http secure-server
!
!
!
no cdp log mismatch duplex
ipv6 route 2001:18::/32 Null0
ipv6 route 2001:19::/32 Null0
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
transport preferred none
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
transport preferred none
stopbits 1
line vty 0 4
transport preferred none
!
end
