Nortel Optivity Switch, Using Manual

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64 Chapter 4 Using VLAN Manager
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Port membership
In the navigation pane, the top four icons represent the following types of port
memberships:
• Unassigned
• Tagging
• Isolated Routing Port (IRP)
• Bridge Routing (brouter ports)
Table 14 describes the port membership types.
Viewing the unassigned ports
To view the table associated with the unassigned ports:
Table 14 Port membership types and STGs
Icon Port type Description
Unassigned Port that do not belong to any STG. If no devices in the
network contain unassigned ports, a table does not open
in the contents pane.
Tagging Port that has tagging enabled and can belong to multiple
STGs. If a tagged frame is received on a tagged port, with
a VLAN ID specified in the tag, the switch directs it to that
VLAN, if it is present.
Isolated Routing
Port (IRP) Port that can only route IP packets and does not belong to
any STG or VLAN.
Note: IRPs are applicable only to the Passport 1000
Series switch.
Bridge Routing
(brouter ports) Port that can route IP packets as well as bridge all
nonroutable traffic. The routing interface is not subjected
to the Spanning Tree Protocol.
Note : Bridge routing ports, or brouter ports, are available
only on the Passport 1000 Series switch and the Passport
8600 switch.
In the navigation pane, select Unassigned.