Cisco IE 3000 User Manual

Contents
xv
Cisco IE 3000 Switch Software Configuration Guide
OL-13018-01
Configuring Path Cost 16-18
Configuring the Switch Priority of a VLAN 16-19
Configuring Spanning-Tree Timers 16-20
Configuring the Hello Time 16-20
Configuring the Forwarding-Delay Time for a VLAN 16-21
Configuring the Maximum-Aging Time for a VLAN 16-21
Configuring the Transmit Hold-Count 16-22
Displaying the Spanning-Tree Status 16-22
CHAPTER 17 Configuring MSTP 17-1
Understanding MSTP 17-2
Multiple Spanning-Tree Regions 17-2
IST, CIST, and CST 17-2
Operations Within an MST Region 17-3
Operations Between MST Regions 17-3
IEEE 802.1s Terminology 17-5
Hop Count 17-5
Boundary Ports 17-6
IEEE 802.1s Implementation 17-6
Port Role Naming Change 17-6
Interoperation Between Legacy and Standard Switches 17-7
Detecting Unidirectional Link Failure 17-7
Interoperability with IEEE 802.1D STP 17-8
Understanding RSTP 17-8
Port Roles and the Active Topology 17-9
Rapid Convergence 17-9
Synchronization of Port Roles 17-11
Bridge Protocol Data Unit Format and Processing 17-12
Processing Superior BPDU Information 17-12
Processing Inferior BPDU Information 17-13
Topology Changes 17-13
Configuring MSTP Features 17-13
Default MSTP Configuration 17-14
MSTP Configuration Guidelines 17-14
Specifying the MST Region Configuration and Enabling MSTP 17-15
Configuring the Root Switch 17-17
Configuring a Secondary Root Switch 17-18
Configuring Port Priority 17-19
Configuring Path Cost 17-20

Cisco IE 3000 Specifications

General

Operating Temperature	-40 to 75°C (-40 to 167°F)
DRAM	128 MB
Flash Memory	32 MB
Uplink Ports	2 x 10/100/1000Base-T or SFP
MAC Address Table Size	8000
Mounting	DIN rail, Wall