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Overview - HP ProCurve Series 2810 Management And Configuration Manual

Procurve series 2810 switches.
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Multiple Instance Spanning-Tree Operation

Overview

5-2
Overview
MSTP Features
802.1s Spanning Tree
Protocol
Viewing the MSTP Status
and Configuration
Enable/Disable MSTP and
Configure Global
Parameters
Configuring Basic Port
Connectivity Parameters
Configuring MSTP Instance
Parameters
Configuring MSTP Instance
Per-Port Parameters
Enabling/Disabling MSTP
Spanning Tree Operation
Enabling an Entire MST
Region at Once
Without spanning tree, having more than one active path between a pair of
nodes causes loops in the network, which can result in duplication of mes-
sages, leading to a "broadcast storm" that can bring down the network.
Multiple-Instance spanning tree operation (802.1s) ensures that only one
active path exists between any two nodes in a spanning-tree instance. A
spanning-tree instance comprises a unique set of VLANs, and belongs to a
specific spanning-tree region. A region can comprise multiple spanning-tree
instances (each with a different set of VLANs), and allows one active path
among regions in a network. Applying VLAN tagging to the ports in a multiple-
Default
n/a
Disabled
admin-edge-port: No-disabled
auto-edge-port: Yes-enabled
bpdu-filter: No-disabled
bpdu-protection: No-disabled
mcheck: Yes
hello-time: 2
path-cost: auto
point-to-point MAC: Force-True
priority: 128 (multiplier: 8)
root-guard: No-disabled
tcn-guard: No-disabled
loop-protection: Send disable
instance (MSTPI): none
priority: 32768 (multiplier: 8)
Auto
Disabled
n/a
Menu
CLI
Web
page 5-40
page 5-19
page 5-23
and
following
page 5-32
page 5-35
page 5-38
page 5-38

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