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XG2000 series User's Guide
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All Rights Reserved, Copyright (C) PFU LIMITED 2009
The following is an example of a fat tree configuration with network redundancy.
To configure an uplink filter, carry out the following procedures in the administrator EXEC mode.
Command Task
xg# configure terminal
Switch to global configuration mode.
xg(config)# uplink-domain 1 port 11 12
Create an uplink domain that consists of port 11 and 12.
xg(config)# interface port 1 2 3
(interface port range 1 3)
Switch to interface edit mode to assign downlink ports.
In this example, the global interface configuration mode
is selected for ports 1 through 3.
xg(config-if)# downlink allowed uplink-domain 1
Register each port as a downlink member of the uplink
domain.
xg(config-if)# exit
Exit to global configuration mode.
xg(config)# exit
Exit to administrator EXEC mode.
xg# show uplink
View the state of the uplink.
z Multicast, broadcast, and unlearned unicast frames are filtered by the uplink filter. But both statically and
dynamically learned unicast frames forwarded to a specified port are not filtered.
z An uplink port is not allowed to be a member of a link aggregation group.
z STP must be disabled on uplink ports.
z The IGMP snooping and uplink filter features cannot be used at the same time.