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Command Mode
Global Configuration mode
User Guidelines
Commands under the interface range context are executed independently on each interface in the range.
If the command returns an error on one of the interfaces, it stops the execution of the command on
subsequent interfaces.
Example
The following example shows how port-channels 1, 2 and 8 are grouped to receive the same command.
Console (config)# interface range port-channel 1-2
Console (config-if)#
5.15.3 channel-group
The channel-group interface configuration command associates a port with a port-channel. To remove a
port from a port channel, use the no form of this command.
Syntax
channel-group port-channel-number mode {on | auto}
no channel-group
port-channel_number — Specifies the number of the valid port-channel for the current port to join.
on — Forces the port to join a channel.
auto — Allows the port to join a channel as a result of an LACP operation.
Default Configuration
The port is not assigned to any port-channel.
Command Mode
Interface Configuration (Ethernet) mode
User Guidelines
Turning off auto-negotiation on an aggregate link may, under some circumstances make it non
operational. If the other side has auto-negotiation turned on, it may re-synchronize all members of the
aggregated link to half-duplex operation, and may, as per the standard, set them all to Inactive.
When a port is added to a LAG, it acquires the trunk properties, as set by the administrator. If the port
cannot be configured accordingly, it will not be added to the LAG, and the user will get an appropriate
error message. However, if the first port to join the LAG is one which cannot be configured according to
the administrative settings of the LAG, the port will nonetheless be added to the LAG, using its
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