H3C Technologies H3C S12500-X Series Switches - Manual (Page 54)

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Destination/Mask Nexthop Cost Tag Flags Sec
10.0.0.0/8 192.168.1.2 1 0 RAOF 11
The output shows that RIPv1 uses a natural mask.
3. Configure a RIP version:
# Configure RIPv2 on Switch A.
[SwitchA] rip
[SwitchA-rip-1] version 2
[SwitchA-rip-1] undo summary
[SwitchA-rip-1] quit
# Configure RIPv2 on Switch B.
[SwitchB] rip
[SwitchB-rip-1] version 2
[SwitchB-rip-1] undo summary
[SwitchB-rip-1] quit
# Display the RIP routing table on Switch A.
[SwitchA] display rip 1 route
Route Flags: R - RIP
A - Aging, S - Suppressed, G - Garbage-collect
O - Optimal, F - Flush to RIB
----------------------------------------------------------------------------
Peer 192.168.1.2 on Vlan-interface100
Destination/Mask Nexthop Cost Tag Flags Sec
10.0.0.0/8 192.168.1.2 1 0 RAOF 50
10.2.1.0/24 192.168.1.2 1 0 RAOF 16
10.1.1.0/24 192.168.1.2 1 0 RAOF 16
The output shows that RIPv2 uses classless subnet masks.
NOTE:
After RIPv2 is configured, RIPv1 routes might still exist in the routing table until they are aged out.
# Display the RIP routing table on Switch B.
Route Flags: R - RIP
A - Aging, S - Suppressed, G - Garbage-collect
O - Optimal, F - Flush to RIB
----------------------------------------------------------------------------
Peer 192.168.1.3 on Vlan-interface100
Destination/Mask Nexthop Cost Tag Flags Sec
172.16.1.0/24 192.168.1.3 1 0 RAOF 19
172.17.1.0/24 192.168.1.3 1 0 RAOF 19
4. Configure route filtering:
# Reference IP prefix lists on Switch B to filter received and redistributed routes.
[SwitchB] ip prefix-list aaa index 10 permit 172.16.1.0 24
[SwitchB] ip prefix-list bbb index 10 permit 10.1.1.0 24
[SwitchB] rip 1
[SwitchB-rip-1] filter-policy prefix-list aaa import
[SwitchB-rip-1] filter-policy prefix-list bbb export