ZyXEL Communications G-102 - V1.0 Guide de l'utilisateur télécharger pdf (Page 155)

Chapter 40 MSTP Commands

Ethernet Switch CLI Reference Guide

155

This example shows the current CIST configuration (MSTP instance 0).

The following table describes the labels in this screen.

TransmissionLimit This field displays the maximum number of BPDUs that can be transmitted

in the interval specified by BridgeHelloTime.

ForceVersion This field indicates whether BPDUs are RSTP (a value less than 3) or

MSTP (a value greater than or equal to 3).

MST Configuration ID

Format Selector This field displays zero, which indicates the use of the fields below.

Configuration Name This field displays the configuration name for this MST region.

Revision Number This field displays the revision number for this MST region.

Configuration Digest A configuration digest is generated from the VLAN-MSTI mapping

information.

This field displays the 16-octet signature that is included in an MSTP

BPDU. This field displays the digest when MSTP is activated on the

system.

msti This field displays the MSTI ID.

vlans mapped This field displays which VLANs are mapped to an MSTI.

sysname# show mstp instance 0

Bridge Info: MSTID: 0

(a)BridgeID: 8000-001349aefb7a

(b)TimeSinceTopoChange: 756003

(c)TopoChangeCount: 0

(d)TopoChange: 0

(e)DesignatedRoot: 8000-001349aefb7a

(f)RootPathCost: 0

(g)RootPort: 0x0000

(h)RootMaxAge: 20 (seconds)

(i)RootHelloTime: 2 (seconds)

(j)RootForwardDelay: 15 (seconds)

(k)BridgeMaxAge: 20 (seconds)

(l)BridgeHelloTime: 2 (seconds)

(m)BridgeForwardDelay: 15 (seconds)

(n)ForceVersion: mstp

(o)TransmissionLimit: 3

(p)CIST_RRootID: 8000-001349aefb7a

(q)CIST_RRootPathCost: 0

Table 93 show mstp instance

LABEL DESCRIPTION

MSTID This field displays the MSTI ID.

BridgeID This field displays the unique identifier for this bridge, consisting of bridge

priority plus MAC address.

TimeSinceTopoChange This field displays the time since the spanning tree was last reconfigured.

TopoChangeCount This field displays the number of times the spanning tree has been

reconfigured.

Table 92 show mstp (continued)

LABEL DESCRIPTION

1 2 ... 150 151 152 153 154 155 156 157 158 159 160 ... 285 286

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