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XG2000 series User's Guide
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.
xg# configure terminal
xg(config)# uplink-domain 1 port 11 12
xg(config)# interface port 1 2 3
(interface port range 1 3)
xg(config-if)# downlink allowed uplink-domain 1
xg(config-if)# exit
xg(config)# exit
xg# show uplink
Command
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.
An uplink port is not allowed to be a member of a link aggregation group.
STP must be disabled on uplink ports.
The IGMP snooping and uplink filter features cannot be used at the same time.
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Switch to global configuration mode.
Create an uplink domain that consists of port 11 and 12.
Switch to interface edit mode to assign downlink ports.
In this example, the global interface configuration mode
is selected for ports 1 through 3.
Register each port as a downlink member of the uplink
domain.
Exit to global configuration mode.
Exit to administrator EXEC mode.
View the state of the uplink.
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