R4
Rack1R4#ssrb
router bgp 100
bgp log-neighbor-changes
network 150.1.4.0 mask 255.255.255.0
neighbor 10.10.10.11 remote-as 200
neighbor 204.12.1.254 remote-as 54
alias exec rb router bgp
interface Loopback0
ip address 150.1.4.4 255.255.255.0
interface Tunnel0
ip address 10.10.10.10 255.255.255.0
tunnel source 155.1.0.4
tunnel destination 155.1.0.2
R2
Rack1R2#ssrb
router bgp 200
bgp log-neighbor-changes
network 150.1.2.0 mask 255.255.255.0
neighbor 10.10.10.10 remote-as 100
neighbor 192.10.1.254 remote-as 254
neighbor 192.10.1.254 password CISCO
interface Loopback0
ip address 150.1.2.2 255.255.255.0
interface Tunnel0
ip address 10.10.10.11 255.255.255.0
tunnel source 155.1.0.2
tunnel destination 155.1.0.4
Verification
Rack1R2#sibs
BGP router identifier 150.1.2.2, local AS number 200
BGP table version is 27, main routing table version 27
15 network entries using 2160 bytes of memory
15 path entries using 900 bytes of memory
5/5 BGP path/bestpath attribute entries using 680 bytes of memory
4 BGP AS-PATH entries using 112 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 3852 total bytes of memory
BGP activity 15/0 prefixes, 26/11 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.10.10 4 100 23 22 27 0 0 00:07:38 11
192.10.1.254 4 254 25 30 27 0 0 00:18:36 3
Rack1R2#sib
BGP table version is 27, local router ID is 150.1.2.2
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter,
x best-external, a additional-path, c RIB-compressed,
Origin codes: i - IGP, e - EGP, ? - incomplete
RPKI validation codes: V valid, I invalid, N Not found
Network Next Hop Metric LocPrf Weight Path
*> 28.119.16.0/24 10.10.10.10 0 100 54 i
*> 28.119.17.0/24 10.10.10.10 0 100 54 i
*> 112.0.0.0 10.10.10.10 0 100 54 50 60 i
*> 113.0.0.0 10.10.10.10 0 100 54 50 60 i
*> 114.0.0.0 10.10.10.10 0 100 54 i
*> 115.0.0.0 10.10.10.10 0 100 54 i
*> 116.0.0.0 10.10.10.10 0 100 54 i
*> 117.0.0.0 10.10.10.10 0 100 54 i
*> 118.0.0.0 10.10.10.10 0 100 54 i
*> 119.0.0.0 10.10.10.10 0 100 54 i
*> 150.1.2.0/24 0.0.0.0 0 32768 i
*> 150.1.4.0/24 10.10.10.10 0 0 100 i
*> 205.90.31.0 192.10.1.254 0 0 254 ?
*> 220.20.3.0 192.10.1.254 0 0 254 ?
Network Next Hop Metric LocPrf Weight Path
*> 222.22.2.0 192.10.1.254 0 0 254 ?
Rack1R2#ping 28.119.16.1 source loopback 0
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 28.119.16.1, timeout is 2 seconds:
Packet sent with a source address of 150.1.2.2
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 93/122/142 ms
Rack1R2#114.0.0.1 so
Rack1R2#114.0.0.1 sou
Rack1R2#ping 114.0.0.1 so
Rack1R2#ping 114.0.0.1 source loo
Rack1R2#ping 114.0.0.1 source loopback 0
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 114.0.0.1, timeout is 2 seconds:
Packet sent with a source address of 150.1.2.2
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 66/125/220 ms
Rack1R2#