Cabletron Systems 7C03 MMAC SmartSWITCH, User Manual

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Using the 7C0x SmartSwitch Bridge View
6-26 The Spanning Tree Port Parameters Window
Figure 6-12. Spanning Tree Port Parameters Window
Designated Cost
The cost of the path from this port to the Root Bridge on the network. If the
highlighted port is the Root Port, the Designated Cost is 0. If this bridge is the
Root Bridge, all its bridge ports have a Designated Cost of 0. This value is
compared to the Root Path Cost field in received configuration BPDUs.
Designated Root
The unique Bridge Identifier of the bridge that is assumed to be the Root Bridge
on the network; this information is contained in the Configuration BPDUs.
Designated Bridge
Displays the MAC address and priority component of the Bridge ID for the bridge
that is believed to be the Designated Bridge for the network segment associated
with this port.
The Designated Bridge ID, along with the Designated Port and Port Identifier
parameters for the port, is used to determine whether this port should be the
Designated Port for the network segment to which it is attached.