Enabling And Configuring Autocreation; About Manually Configured Channel Groups; Converting To Manually Configured Channel Groups - Cisco AJ732A - MDS 9134 Fabric Switch Configuration Manual

Port Channel Protocol
S e n d f e e d b a c k t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
Tip When enabling autocreation in any switch in the Cisco Nexus 5000 Series, we recommend that you retain
at least one interconnected port between the switches without any autocreation configuration. If all ports
between two switches are configured with the autocreation feature at the same time, a possible traffic
disruption may occur between these two switches as ports are automatically disabled and reenabled
when they are added to an autocreated SAN port channel.

Enabling and Configuring Autocreation

To configure automatic channel groups, perform this task:
Command
Step 1
switch# configuration terminal
switch(config)#
Step 2
switch(config)# interface type slot/port
switch(config-if)#
Step 3
switch(config- if)# channel-group auto
switch(config- if)# no channel-group auto
The following example configures an automatic channel group:
switch(config)# interface fc2/3
switch(config-if)# channel-group auto

About Manually Configured Channel Groups

A user-configured channel group cannot be converted to an autocreated channel group. However, you
can convert an autocreated channel group to a manual channel group. This task is irreversible. The
channel group number does not change, but the member ports operate according to the properties of the
manually configured channel group, and channel group autocreation is implicitly disabled for all the
member ports.
Tip If you enable persistence, be sure to enable it at both ends of the SAN port channel.

Converting to Manually Configured Channel Groups

You can convert autocreated channel group to a user-configured channel group using the
san-port-channel channel-group-number persistent EXEC command. If the SAN port channel does not
exist, this command is not executed.
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
36-14
Chapter 36
Purpose
Enters configuration mode.
Enters configuration mode for the specified
interface.
Automatically creates the channel group for the
selected interface(s).
Disables the autocreation of channel groups for this
interface, even if the system default configuration
may have autocreation enabled.
Configuring SAN Port Channels
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