Cisco 7604 User Manual

Contents
9
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Configuring the Switch Priority 23
Configuring the Hello Time 24
Configuring the Forwarding-Delay Time 25
Configuring the Transmit Hold Count 25
Configuring the Maximum-Aging Time 26
Configuring the Maximum-Hop Count 26
Specifying the Link Type to Ensure Rapid Transitions 26
Designating the Neighbor Type 27
Restarting the Protocol Migration Process 28
Displaying the MST Configuration and Status 28
Configuring STP and Prestandard IEEE 802.1s MST 1
Understanding How STP Works 2
STP Overview 2
Understanding the Bridge ID 2
Understanding Bridge Protocol Data Units 4
Election of the Root Bridge 4
STP Protocol Timers 5
Creating the Spanning Tree Topology 5
STP Port States 6
STP and IEEE 802.1Q Trunks 12
Understanding How IEEE 802.1w RSTP Works 13
IEEE 802.1w RSTP Overview 13
RSTP Port Roles 13
RSTP Port States 14
Rapid-PVST 14
Understanding How Prestandard IEEE 802.1s MST Works 14
IEEE 802.1s MST Overview 15
MST-to-PVST Interoperability 16
Common Spanning Tree 18
MST Instances 18
MST Configuration Parameters 18
MST Regions 19
Message Age and Hop Count 20
Default STP Configuration 21
STP and MST Configuration Guidelines and Restrictions 21
Configuring STP 22
Enabling STP 22

Cisco 7604 Specifications

General

Brand	Cisco
Model	7604
Category	Network Router
Language	English