Cisco WS-C2948G-GE-TX - Configuration Example of a Two-Port Gigabit Etherchannel

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Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
Chapter6 Configuring Fast EtherChannel and Gigabit EtherChannel
EtherChannel Configuration Examples
%PAGP-5-PORTFROMSTP:Port 1/2 left bridge port 1/2
%PAGP-5-PORTFROMSTP:Port 1/3 left bridge port 1/3
%PAGP-5-PORTFROMSTP:Port 1/4 left bridge port 1/4
%PAGP-5-PORTFROMSTP:Port 1/2 left bridge port 1/2
%PAGP-5-PORTFROMSTP:Port 1/3 left bridge port 1/3
%PAGP-5-PORTFROMSTP:Port 1/4 left bridge port 1/4
%PAGP-5-PORTTOSTP:Port 1/1 joined bridge port 1/1-4
%PAGP-5-PORTTOSTP:Port 1/2 joined bridge port 1/1-4
%PAGP-5-PORTTOSTP:Port 1/3 joined bridge port 1/1-4
%PAGP-5-PORTTOSTP:Port 1/4 joined bridge port 1/1-4
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-PORTFROMSTP:Port 3/3 left bridge port 3/3
%PAGP-5-PORTFROMSTP:Port 3/4 left bridge port 3/4
%PAGP-5-PORTFROMSTP:Port 3/2 left bridge port 3/1-4
%PAGP-5-PORTFROMSTP:Port 3/3 left bridge port 3/1-4
%PAGP-5-PORTFROMSTP:Port 3/4 left bridge port 3/1-4
%PAGP-5-PORTTOSTP:Port 3/1 joined bridge port 3/1-4
%PAGP-5-PORTTOSTP:Port 3/2 joined bridge port 3/1-4
%PAGP-5-PORTTOSTP:Port 3/3 joined bridge port 3/1-4
%PAGP-5-PORTTOSTP:Port 3/4 joined bridge port 3/1-4
Step 4 After the EtherChannel bundle is negotiated, enter the show port channel command to verify the
configuration.
Switch_A> (enable) show port channel
Port Status Channel Channel Neighbor Neighbor
mode status device port
----- ---------- --------- ----------- ------------------------- ----------
1/1 connected desirable channel WS-C4003 JAB023806(Sw 3/1
1/2 connected desirable channel WS-C4003 JAB023806(Sw 3/2
1/3 connected desirable channel WS-C4003 JAB023806(Sw 3/3
1/4 connected desirable channel WS-C4003 JAB023806(Sw 3/4
----- ---------- --------- ----------- ------------------------- ----------
Switch_A> (enable)
Switch_B> (enable) show port channel
Port Status Channel Channel Neighbor Neighbor
mode status device port
----- ---------- --------- ----------- ------------------------- ----------
3/1 connected auto channel WS-C4012 009979082(Sw 1/1
3/2 connected auto channel WS-C4012 009979082(Sw 1/2
3/3 connected auto channel WS-C4012 009979082(Sw 1/3
3/4 connected auto channel WS-C4012 009979082(Sw 1/4
----- ---------- --------- ----------- ------------------------- ----------
Switch_B> (enable)
Configuration Example of a Two-Port Gigabit EtherChannel
This example shows how to configure a two-port Gigabit EtherChannel link between two switches.
Figure 6-2 shows two switches that are connected through four 1000BASE-SX Gigabit Ethernet ports.