Cisco WS-C4003 Software Guide - Page 93
configuration. If you con only the ports on one side of the link
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Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel EtherChannel Configuration Examples Step 4 After the EtherChannel bundle is negotiated, enter the show port channel command to verify the configuration. If you configure only the ports on one side of the link on, the show port channel command will show that the ports are channeling, but no traffic will pass over the EtherChannel. Spanning tree loops can occur, and eventually the switch will disable the incorrectly configured EtherChannel. Switch_A> (enable) show port channel Port Status Channel Channel Neighbor Neighbor mode status device port 2/1 connected on channel WS-C4003 JAB023806LN( 3/1 2/2 connected on channel WS-C4003 JAB023806LN( 3/2 Switch_A> (enable) Switch_B> (enable) show port channel Port Status Channel Channel Neighbor Neighbor mode status device port 3/1 connected on channel WS-C4003 JAB023806JR( 2/1 3/2 connected on channel WS-C4003 JAB023806JR( 2/2 Switch_B> (enable) 78-12647-02 Software Configuration Guide-Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4 6-15
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