Dell BigIron RX Series, Configuration Manual

Page: 1129 / 1458

BigIron RX Series Configuration Guide 1053
53-1002253-01
802.1s Multiple Spanning Tree Protocol
40
Configuring MSTP
To configure a switch for MSTP, you could configure the name and the revision on each switch that
is being configured for MSTP. This name is unique to each switch. You must then create an MSTP
Instance and assign an ID. VLANs are then assigned to MSTP instances. These instances must be
configured on all switches that interoperate with the same VLAN assignments. Port cost, priority
and global parameters can then be configured for individual ports and instances. In addition,
operational edge ports and point-to-point links can be created and MSTP can be disabled on
individual ports.
Each of the commands used to configure and operate MSTP are described in the following:
•
“Setting the MSTP name”
•
“Setting the MSTP revision number”
•
“Configuring an MSTP instance”
•
“Configuring port priority and port path cost”
•
“Configuring bridge priority for an MSTP instance”
•
“Setting the MSTP global parameters”
•
“Setting ports to be operational edge ports”
•
“Setting point-to-point link”
•
“Disabling MSTP on a port”
•
“Forcing ports to transmit an MSTP BPDU”
•
“Enabling MSTP on a switch”
Setting the MSTP name
Each switch that is running MSTP is configured with a name. It applies to the switch which can have
many different VLANs that can belong to many different MSTP regions. By default, the name is the
MAC address of the device.
To configure an MSTP name, use a command such as the following at the Global Configuration
level.
BigIron RX(config)# mstp name brocade
Syntax: [no] mstp name < name >
The name parameter defines an ASCII name for the MSTP configuration. The default name is the
MAC address of the switch expressed as a string.
Setting the MSTP revision number
Each switch that is running MSTP is configured with a revision number. It applies to the switch
which can have many different VLANs that can belong to many different MSTP regions.
To configure an MSTP revision number, use a command such as the following at the Global
Configuration level.
BigIron RX(config)# mstp revision 4
Syntax: [no] mstp revision < revision-number >