3Com Switch 4200G Configuration Guide

Root Bridge Configuration 119
In a network that contains switches with both GVRP and MSTP employed, GVRP
packets are forwarded along the CIST. If you want to broadcast packets of a specific
VLAN through GVRP, be sure to map the VLAN to the CIST when configuring the
MSTP VLAN mapping table (The CIST of a network is the spanning tree instance
numbered 0.)
Prerequisites The status of the switches in the spanning trees are determined. That is, the status
(root, branch, or leaf) of each switch in each spanning tree instance is determined.
Network diameter
configuration
Optional
The default is recommended.
Network Diameter
Configuration
MSTP time-related
configuration
Optional
The defaults are recommended.
MSTP Time-related
Configuration
Timeout time factor
configuration
Optional Timeout Time Factor
Configuration
Maximum transmitting
speed configuration
Optional
The default is recommended.
Maximum Transmitting Speed
Configuration
Edge port configuration Optional Edge Port Configuration
Point-to-point link
related configuration
Optional Point-to-point Link-Related
Configuration
Table 84 Root bridge configuration (Continued)
Operation Description Related section