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XG2000 series User's Guide
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All Rights Reserved, Copyright (C) PFU LIMITED 2009
5.9.3 downlink allowed uplink-domain
Function
Configure the downlink ports belonging to the uplink domain.
Use the no form to release the membership.
Prompt
xg(config-if)#, or xg(config-agg)#
Command syntax
downlink allowed uplink-domain { <1-20> | all }
no downlink allowed uplink-domain { <1-20> | all }
Parameter
z uplink-domain { <1-20> | all }
Specify the uplink domain ID for the member downlink ports.
− <1-20>
Specify a domain ID. The domain ID can be an integer of 1 to 20.
− all
Register or delete all uplink domains.
Command type
Configuration command
Default
None
Message
% Uplink-Domain %1$ is not configured. port %2$
Explanation
the uplink domain does not exist.
[[Inserted string]]%1$:uplink domain number
[[Inserted string]]%2$:port number
Solution
Create the uplink domain before executing this command.
% port %1$ is already uplink port in same uplink-domain.
Explanation
This port is a member of another uplink domain.
[[Inserted string]]%1$:port number
Solution
After releasing the port from the other uplink domain, execute the command again.
Note
z The member of an uplink domain is not allowed to be the member of the corresponding downlink.
z Aggregation groups can be assigned as a member of downlink.
z If adding ports that are members of an aggregation group all port members of the aggregation group will automatically
be made members of downlink.
z When removing ports from an aggregation group that are also members of downlink, downlink membership does not
automatically change.
Example
The following is an example of configuring port 3 as a member of uplink domain 1 and register port 4 as a downlink member of
domain 1 then display the uplink domain information by using "show" command.
xg(config)# uplink-domain 1 port 3
xg(config)# interface port 4
xg(config-if)# downlink allowed uplink-domain 1
xg(config-if)# exit
xg(config)# exit
xg# show uplink
Uplink Domain Information 2006/03/17-14:35:25
===============================================================================
Domain Port-Function Ports-Membership
------ ---------------- -------------------------------------------------------
1 Uplink(Active) port 3
Uplink(Inactive) None
Downlink port 4
===============================================================================