Cisco WS-C4003 Software Guide - Page 92
Gigabit EtherChannel Port Bundle Example
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EtherChannel Configuration Examples Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel Figure 6-2 Gigabit EtherChannel Port Bundle Example Switch A 2/1 2/2 3/1 Switch B 3/2 23922 Gigabit EtherChannel port bundle Step 1 Step 2 Step 3 Make sure that all ports on Switch A and Switch B have the same port configuration, such as VLAN membership. Switch_A> (enable) set vlan 100 2/1-2 VLAN 100 modified. VLAN 1 modified. VLAN Mod/Ports 100 2/1-2 Switch_A> (enable) Switch_B> (enable) set vlan 100 3/1-2 VLAN 100 modified. VLAN 1 modified. VLAN Mod/Ports 100 3/1-2 Switch_B> (enable) Confirm the channeling status of the switches using the show port channel command. Switch_A> (enable) show port channel No ports channelling Switch_A> (enable) Switch_B> (enable) show port channel No ports channelling Switch_B> (enable) Note that in this example, EtherChannel is configured on for all ports. If you configure ports on, you must configure the ports on both ends of the EtherChannel bundle on. The switches will not negotiate an EtherChannel port bundle automatically in on mode. The system logging messages provide information about the formation of the EtherChannel bundle. Switch_A> (enable) set port channel 2/1-2 on Port(s) 2/1-2 channel mode set to on. Switch_A> (enable) %PAGP-5-PORTFROMSTP:Port 2/1 left bridge port 2/1 %PAGP-5-PORTFROMSTP:Port 2/2 left bridge port 2/2 %PAGP-5-PORTTOSTP:Port 2/1 joined bridge port 2/1-2 %PAGP-5-PORTTOSTP:Port 2/2 joined bridge port 2/1-2 Switch_B> (enable) set port channel 3/1-2 on Port(s) 3/1-2 channel mode set to on. Switch_B> (enable) %PAGP-5-PORTFROMSTP:Port 3/1 left bridge port 3/1 %PAGP-5-PORTFROMSTP:Port 3/2 left bridge port 3/2 %PAGP-5-PORTTOSTP:Port 3/1 joined bridge port 3/1-2 %PAGP-5-PORTTOSTP:Port 3/2 joined bridge port 3/1-2 6-14 Software Configuration Guide-Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4 78-12647-02
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