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| Sun Ethernet Fabric Operating System ### RIP Administration Guide

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## Enable Authentication on Both Switches

This task tests the authentication.

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

       SEFOS# config terminal
       SEFOS(config)# router rip
       SEFOS(config-router)# network 10.0.0.1
       SEFOS(config-router)# redistribute all
       SEFOS(config-router)# exit

2. Enable md5 authentication.

       SEFOS(config)# interface vlan 1
       SEFOS(config-if)# ip rip authentication mode md5 key-chain 12345
       SEFOS(config-if)# end

3. On switch 2, enter the configuration mode for the router.

       SEFOS# configure terminal
       SEFOS(config)# router rip
       SEFOS(config-router)# network 10.0.0.2
       SEFOS(config-router)# exit

4. Enable md5 authentication.

       SEFOS(config)# interface vlan 1
       SEFOS(config-if)# ip rip authentication mode md5 key-chain 12345
       SEFOS(config-if)# end

5. Review the authentication type in switch 1.

       SEFOS# show ip protocols

       Routing Protocol is rip

       Vrf  default
        RIP2 security level is Maximum
        Redistributing : rip
        Output Delay is disabled
        Retransmission timeout interval is 5 seconds
        Number of retransmission retries is 36
        Default metric is 3
        Auto-Summarisation of routes is enabled
        Routing for Networks :
          10.0.0.0
        Routing Information Sources :
        Interface Specific Address Summarization :
        Trusted Neighors :
        Interface vlan1
         Sending updates every 30 seconds
         Invalid after 180 seconds
         Flushed after 120 seconds
         Send version is 1 2, receive version is 1 2
         Authentication type is md5
         Split Horizon with poissoned reverse is enabled
         Restrcts default route installation
          Restricts default route origination

   On switch 2, ensure that all of the RIP packets have authentication information.

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