Brocade FastIron Ethernet Switch Platform and Layer 2 Swit Uživatelský manuál Strana 338

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NOTE
If this feature is enabled, it takes the port about 3 seconds longer to come to the enable state.
Setting point-to-point link
You can set a point-to-point link between ports to increase the speed of convergence. To create a
point-to-point link between ports, use a command such as the following at the Global Configuration
level.
device(config)#mstp admin-pt2pt-mac ethernet 2/5 ethernet 4/5
Syntax: [no] mstp admin-pt20t-mac ethernet port
Disabling MSTP on a port
To disable MSTP on a specific port, use a command such as the following at the Global Configuration
level.
device(config)#mstp disable ethernet 2/1
Syntax: [no] mstp disable ethernet port
When a port is disabled for MSTP, it behaves as blocking for all the VLAN traffic that is controlled by
MSTIs and the CIST.
Forcing ports to transmit an MSTP BPDU
To force a port to transmit an MSTP BPDU, use a command such as the following at the Global
Configuration level.
device(config)#mstp force-migration-check ethernet 3/1
Syntax: [no] mstp force-migration-check ethernet port
Activating MSTP on a switch
MSTP scope must be enabled on the switch as described in Configuring MSTP mode and scope on
page 332 before MSTP can be enabled.
To enable MSTP on your switch, use the following at the Global Configuration level.
device(config)#mstp start
Syntax: [no] mstp start
The no option disables MSTP from operating on a switch.
Examples of an MSTP configuration
In the following figure, four Brocade device routers are configured in two regions. There are four
VLANs in four instances in Region 2. Region 1 is in the CIST.
Setting point-to-point link
338 FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide
53-1003086-04
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