DELL N3000 User Manual

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Configuring Port Characteristics
501
Configuring a Link Dependency Groups
The commands in this example create two link dependency groups. Group 1 
has port 3 as a member port that is dependent on port 4. The group uses the 
default link action, which is down. This means that if port 4 goes down, port 3 
goes down. When port 4 returns to the up state, port 3 is brought back up. In 
Group 2, port 6 dependent on port-channel (LAG) 1, and the link action is 
up. If port-channel 1 goes down, port 6 is brought up. This also means that 
when port-channel 1 is up, port 6 is down.
To configure the switch:
Enter the configuration mode for Group 1.
console#configure
console(config)#link-dependency group 1
Configure the member and dependency information for the group.
console(config-linkDep-group-1)#add 
tengigabitethernet 1/0/3
console(config-linkDep-group-1)#depends-on 
tengigabitethernet 1/0/4
console(config-linkDep-group-1)#exit
Enter the configuration mode for Group 2
console(config)#link-dependency group 2
console(config-linkDep-group-2)#add 
tengigabitethernet 1/0/6
console(config-linkDep-group-2)#depends-on port-
channel 1
console(config-linkDep-group-2)#action up
console(config-linkDep-group-2)#CTRL + Z
View the configured link dependency groups.
console#show link-dependency
GroupId  Member Ports
Ports Depended On
Link Action
-------  -------------
-----------------
----------
1
Te1/0/3
te/0/4
Link Down
2
te/0/6
ch1
Link Up