Two-Port Gigabit Etherchannel Configuration Example - Cisco WS-C4003 - Catalyst 4000 Chassis Switch Software Configuration Manual

Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel
%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
After the EtherChannel bundle is negotiated, enter the show port channel command to verify the
Step 4
configuration.
Switch_A> (enable) show port channel
Port
----- ---------- --------- ----------- ------------------------- ----------
1/1
1/2
1/3
1/4
----- ---------- --------- ----------- ------------------------- ----------
Switch_A> (enable)
Switch_B> (enable) show port channel
Port
----- ---------- --------- ----------- ------------------------- ----------
3/1
3/2
3/3
3/4
----- ---------- --------- ----------- ------------------------- ----------
Switch_B> (enable)

Two-Port Gigabit EtherChannel Configuration Example

This example configuration shows how to configure a two-port Gigabit EtherChannel link between two
switches.
78-12647-02
Status Channel Channel
mode status
connected desirable channel
connected desirable channel
connected desirable channel
connected desirable channel
Status Channel Channel
mode status
connected auto channel
connected auto channel
connected auto channel
connected auto channel
Figure 6-2 shows two switches connected through four 1000BASE-SX Gigabit Ethernet ports.
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
EtherChannel Configuration Examples
Neighbor
device
WS-C4003 JAB023806(Sw
WS-C4003 JAB023806(Sw
WS-C4003 JAB023806(Sw
WS-C4003 JAB023806(Sw
Neighbor
device
WS-C4012 009979082(Sw
WS-C4012 009979082(Sw
WS-C4012 009979082(Sw
WS-C4012 009979082(Sw
Neighbor
port
3/1
3/2
3/3
3/4
Neighbor
port
1/1
1/2
1/3
1/4
6-13