Users Guide

686 Port Characteristics
Configuring Link Dependencies
Use the following commands to configure ports that are dependent on the
state of other ports.
Command Purpose
configure Enter Global Configuration mode.
link-dependency group
group_id
Enter the link-dependency mode to configure a link-
dependency group.
add interface Add member ports to the group.
The interface variable includes the interface type and
number, for example tengigabitethernet 1/0/3. Port-
channels (LAGs) can also be added as members by using
the keyword port-channel followed by an ID.
A range of interfaces can also be specified. For example,
interface tengigabitethernet 1/0/8-10,1/0/20 configures
interfaces 8, 9, 10 and 20.
depends-on interface Specify the port(s) upon which the member ports are
dependent. For information about the interface variable,
see the previous command description.
action {down|up} Specifies the action the member ports take when the
dependent link goes down.
• down—When the dependent link is down, the group
members are down (the members are up otherwise).
• up—When the dependent link goes down, the group
members are brought up (the members are down
otherwise)
CTRL + Z Exit to Privileged Exec mode.
show link-dependency
[group group_id]
View link dependency settings for all groups or for the
specified group, along with the group state.