3Com 7600 manual 30Bridge STP Attributes, Parameter Description

6-22CHAPTER 6: FAST ETHERNET AND BRIDGE MANAGEMENT TASKS

Example

Enter: [3] [4] [4] 0 D

Disables the STP on bridge 0 and produces the following message:

Bridge #0: STP is now disabled.

Display Bridge STP Display all STP attributes for a specified bridge. For general information

Attributesabout the STP and about the STP parameters see “Spanning Tree Protocol” on page 11-6.

Table 6-29	Task Actions
Menu	Enter	Result
Sequence
[3] bridge	1 Bridge number {0-3}	The STP attributes are displayed
[4] stp		for this bridge.
[2] bridge
[1] display

Table 6-30Bridge STP Attributes

Parameter	Description
Bridge-Protocol	The STP version (as in IEEE 802.1D).
Bridge-Priority	A 2-octet value that allows the network manager to
	influence the choice of root bridge and the designated
	bridge.
Bridge-Topology-Changes	The number of topology changes which have occurred
	since the bridge was last reset.
Bridge-Designated-Root	The bridge assumed to be the root bridge.
Root-Cost	The cost of the path from this bridge to the root
	bridge.
Root-Port	The port that offers the lowest cost path to the root
	bridge.
Max-Age	The message age value at which a stored CBPDU is
	discarded.
Hello-Time	The time interval between the transmission of CBPDUs.
Forward-Delay	The time spent in the listening and the learning state
	while the Spanning tree is re-configuring.