Cisco Catalyst 3750 Command Reference Manual page 57

Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
channel-group
If 802.1x is enabled on a not-yet active port of an EtherChannel in software releases earlier than Cisco
Note
IOS Release 12.2(18)SE, the port does not join the EtherChannel.
Do not configure a secure port as part of an EtherChannel or an EtherChannel port as a secure port.
For a complete list of configuration guidelines, refer to the "Configuring EtherChannels" chapter in the
software guide for this release.
Do not enable Layer 3 addresses on the physical EtherChannel ports. Do not assign bridge groups on the
Caution
physical EtherChannel ports because it creates loops.
Examples This example shows how to configure an EtherChannel on a single switch in the stack. It assigns two
static-access ports in VLAN 10 to channel 5 with the PAgP mode desirable:
Switch# configure terminal
Switch(config)# interface range gigabitethernet2/0/1 -2
Switch(config-if-range)# switchport mode access
Switch(config-if-range)# switchport access vlan 10
Switch(config-if-range)# channel-group 5 mode desirable
Switch(config-if-range)# end
This example shows how to configure an EtherChannel on a single switch in the stack. It assigns two
static-access ports in VLAN 10 to channel 5 with the LACP mode active:
Switch# configure terminal
Switch(config)# interface range gigabitethernet2/0/1 -2
Switch(config-if-range)# switchport mode access
Switch(config-if-range)# switchport access vlan 10
Switch(config-if-range)# channel-group 5 mode active
Switch(config-if-range)# end
This example shows how to configure a cross-stack EtherChannel. It assigns two ports on stack member
2 and one port on stack member 3 as static-access ports in VLAN 10 to channel 5 with the PAgP and
LACP modes disabled (on):
Switch# configure terminal
Switch(config)# interface range gigabitethernet2/0/4 -5
Switch(config-if-range)# switchport mode access
Switch(config-if-range)# switchport access vlan 10
Switch(config-if-range)# channel-group 5 mode on
Switch(config-if-range)# exit
Switch(config)# interface gigabitethernet3/0/3
Switch(config-if)# switchport mode access
Switch(config-if)# switchport access vlan 10
Switch(config-if)# channel-group 5 mode on
Switch(config-if)# exit
You can verify your settings by entering the show running-config privileged EXEC command.
Catalyst 3750 Switch Command Reference
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