You can use System Manager to modify the attributes of a broadcast domain, such as the name, the MTU size, and the ports associated with the broadcast domain.
About this task
You must not modify the MTU size of the broadcast domain to which the management port e0M is assigned.
You cannot use System Manager to edit the broadcast domains in the Cluster IPspace.
You must use the command-line interface instead.
Steps
Click the Network tab.
In the Broadcast Domains tab, select the broadcast domain that you want to modify, and then click Edit.
In the Edit Broadcast Domain dialog box, make the necessary changes.