RIP border Summary

Www.2cto.com


Topology. Enable RIP. View the route table of R2 and R3: www.2cto.com

Www.2cto.com R2 summarizes 12.0.0.0, but R3 does not. This means that when RIP sends A route update across the network boundary, it will summarize according to the mask (A, B, C), that is, the boundary summary.
1: If the primary network numbers of the two routes are different, the routes will forward the route information of the two sides. 2: If the primary network numbers of the two routes are the same, the routes will not be summarized and directly forwarded. Solution: configure the S0/0/1 ip address 12.1.10.1/24 secondaryR2 S0/0/0 ip address 12.1.10.2/24 secondary of the secondary IPR1