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H3C Technologies H3C MSR 5600 User Manual

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Destinations : 10 Routes : 10

Destination/Mask Proto Pre Cost NextHop Interface

10.1.1.0/24 Direct 0 0 10.1.1.1 Eth1/1

10.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0

10.2.1.0/24 Static 60 0 10.1.1.2 Eth1/1

10.3.1.0/24 Direct 0 0 10.3.1.1 Eth1/2

10.3.1.1/32 Direct 0 0 127.0.0.1 InLoop0

20.1.1.0/24 Direct 0 0 20.1.1.1 Eth1/3

20.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0

30.1.1.0/24 Static 80 0 10.3.1.3 Eth1/2

127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0

127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0

The output shows the NQA test result: if the master route is unavailable (the status of the track entry is
Negative), the backup static route takes effect and Router A forwards packets to 30.1.1.0/24 through

Router C.
# When the master route fails, the hosts in 20.1.1.0/24 can still communicate with the hosts in

30.1.1.0/24.

[RouterA] ping -a 20.1.1.1 30.1.1.1

Ping 30.1.1.1: 56 data bytes, press escape sequence to break

Reply from 30.1.1.1: bytes=56 Sequence=1 ttl=254 time=2 ms

Reply from 30.1.1.1: bytes=56 Sequence=2 ttl=254 time=1 ms

Reply from 30.1.1.1: bytes=56 Sequence=3 ttl=254 time=1 ms

Reply from 30.1.1.1: bytes=56 Sequence=4 ttl=254 time=2 ms

Reply from 30.1.1.1: bytes=56 Sequence=5 ttl=254 time=1 ms

--- Ping statistics for 30.1.1.1 ---

5 packet(s) transmitted, 5 packet(s) received, 0.00% packet loss

round-trip min/avg/max/std-dev = 1/1/2/1 ms

# The output on Router D is similar to that on Router A. When the master route fails, the hosts in
30.1.1.0/24 can still communicate with the hosts in 20.1.1.0/24.

[RouterD] ping -a 30.1.1.1 20.1.1.1

Ping 20.1.1.1: 56 data bytes, press escape sequence to break

Reply from 20.1.1.1: bytes=56 Sequence=1 ttl=254 time=2 ms

Reply from 20.1.1.1: bytes=56 Sequence=2 ttl=254 time=1 ms

Reply from 20.1.1.1: bytes=56 Sequence=3 ttl=254 time=1 ms

Reply from 20.1.1.1: bytes=56 Sequence=4 ttl=254 time=1 ms

Reply from 20.1.1.1: bytes=56 Sequence=5 ttl=254 time=1 ms

--- Ping statistics for 20.1.1.1 ---

5 packet(s) transmitted, 5 packet(s) received, 0.00% packet loss

round-trip min/avg/max/std-dev = 1/1/2/1 ms

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