255
Verifying the configuration
# Use ping to test connectivity.
[RouterA] ping -a 8.1.1.1 9.1.2.1
Ping 9.1.2.1 (9.1.2.1) from 8.1.1.1: 56 data bytes, press escape sequence to break
56 bytes from 9.1.2.1: icmp_seq=0 ttl=254 time=10.000 ms
56 bytes from 9.1.2.1: icmp_seq=1 ttl=254 time=12.000 ms
56 bytes from 9.1.2.1: icmp_seq=2 ttl=254 time=2.000 ms
56 bytes from 9.1.2.1: icmp_seq=3 ttl=254 time=7.000 ms
56 bytes from 9.1.2.1: icmp_seq=4 ttl=254 time=9.000 ms
--- Ping statistics for 9.1.2.1 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/stddev = 2.000/8.000/12.000/3.406 ms
[RouterC] ping -a 9.1.2.1 8.1.1.1
Ping 8.1.1.1 (8.1.1.1) from 9.1.2.1: 56 data bytes, press escape sequence to break
56 bytes from 8.1.1.1: icmp_seq=0 ttl=254 time=9.000 ms
56 bytes from 8.1.1.1: icmp_seq=1 ttl=254 time=4.000 ms
56 bytes from 8.1.1.1: icmp_seq=2 ttl=254 time=3.000 ms
56 bytes from 8.1.1.1: icmp_seq=3 ttl=254 time=3.000 ms
56 bytes from 8.1.1.1: icmp_seq=4 ttl=254 time=3.000 ms
--- Ping statistics for 8.1.1.1 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/stddev = 3.000/4.400/9.000/2.332 ms
BGP route summarization configuration example
Network requirements
As shown in Figure 64, run EBGP between Router C and Router D, so the internal network and external
network can communicate with each other.
In AS 65106, configure static routing between Router A and Router B, configure OSPF between Router B
and Router C, and configure OSPF to redistribute static routes, so devices in the internal network can
communicate with each other.
Configure route summarization on Router C so BGP advertises a summary route instead of the specified
networks 192.168.64.0/24, 192.168.74.0/24, and 192.168.99.0/24 to Router D.
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