Set the Summary Address

1. On switch 1, enter the configuration mode for the interface.

   SEFOS# configure terminal
   SEFOS(config)# interface vlan 1
   SEFOS(config-if)# exit
   

2. Disable the auto-summary option for the interface in VLAN 1.

   SEFOS# configure terminal
   SEFOS(config)# router rip
   SEFOS(config-router)# network 10.0.0.1
   SEFOS(config-router)# auto-summary disable
   SEFOS(config-router)# exit
   

3. Set the version of the RIP packets to be sent over the VLAN 1 interface.

   SEFOS(config)# interface vlan 1
   SEFOS(config-if)# ip rip summary-address 40.0.0.0 255.0.0.0
   SEFOS(config-if)# end