Cisco WS-C3750-48PS-S Software Configuration Manual page 695

Chapter 33 Configuring EtherChannels
Figure 33-2 Single-Switch EtherChannel
StackWise
connections
Figure 33-3 Cross-Stack EtherChannel
StackWise
connections
78-16180-02
Catalyst 3750 switch stack
Switch 1
port
Switch 2
Switch 3
Catalyst 3750 switch stack
Switch 1
port
Switch 2
Switch 3
Channel
group 1
Channel
group 2
Channel
group 1
Catalyst 3750 Switch Software Configuration Guide
Understanding EtherChannels
Switch A
Switch A
33-3