424
Route Flags: A - Aging, S - Suppressed, G - Garbage-collect, D - Direct
O - Optimal, F - Flush to RIB
----------------------------------------------------------------
Peer FE80::AE45:5CE7:422E:2867 on Vlan-interface100
Destination 1400:1::/64,
via FE80::AE45:5CE7:422E:2867, cost 1, tag 0, AOF, 1 secs
Destination 4004::4/128,
via FE80::AE45:5CE7:422E:2867, cost 2, tag 0, AOF, 1 secs
Local route
Destination 2002::2/128,
via ::, cost 0, tag 0, DOF
Destination 1200:1::/64,
via ::, cost 0, tag 0, DOF
# Display RIPng neighbors on Switch B to verify the neighbor relationship between Switch B and
Switch S.
[SwitchB] display ripng 1 neighbor
Neighbor Address: FE80::20C:29FF:FECE:6277
Interface : Vlan-interface200
Version : RIPng version 1 Last update: 00h00m18s
Bad packets: 0 Bad routes : 0
# Display RIPng routes on Switch B to verify if Switch B has a route to the loopback interface on
Switch A.
[SwitchB] display ripng 1 route
Route Flags: A - Aging, S - Suppressed, G - Garbage-collect, D - Direct
O - Optimal, F - Flush to RIB
----------------------------------------------------------------
Peer FE80::20C:29FF:FECE:6277 on Vlan-interface200
Destination 2002::2/128,
via FE80::20C:29FF:FECE:6277, cost 2, tag 0, AOF, 24 secs
Destination 1200:1::/64,
via FE80::20C:29FF:FECE:6277, cost 1, tag 0, AOF, 24 secs
Local route
Destination 4004::4/128,
via ::, cost 0, tag 0, DOF
Destination 1400:1::/64,
via ::, cost 0, tag 0, DOF
The output shows the following when an active/standby switchover occurs on Switch S:
The neighbor relationships and routing information on Switch A and Switch B have not
changed.
The traffic from Switch A to Switch B has not been impacted.
Configuring RIPng FRR
Network requirements
As shown in Figure 99, Switch A, Switch B, and Switch C run RIPng. Configure RIPng FRR so that
when Link A becomes unidirectional, traffic can be switched to Link B immediately.
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