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

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## Trigger a Failover

You can simulate a link failure by shutting down one of the switch ports. This example shuts down port 16.

1. Shut down a switch port.

       SEFOS# configure terminal
       SEFOS(config)# interface extreme-ethernet 0/16
       SEFOS(config-if)# shutdown
       SEFOS(config-if)# end

2. After a few seconds, examine the SLB-L2 output.

       SEFOS# show slb l2

       L2 SLB Group #1
       Failover Method: Failover to All ports

       Members:
       Port   State     Comments
       ====   =====     =================
        15    ACTIVE
        16    FAILED     Failover to All ports
        17    ACTIVE
        18    ACTIVE

   This shows that port 16 has failed. Its state changed from active to failed. The traffic hashed to the server for port 16 will be rehashed to all remaining active ports.

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