Brocade Network OS Administrator’s Guide v4.1.1 - Manual (Page 430)

Restricting the topology change notification (DCB)
From the DCB interface, use this command to restrict the topology change notification BPDUs sent on
the interface. By default, the restriction is disabled. This procedure affects MSTP only.
To restrict the topology change notification BPDUs sent on the DCB interface, run the following steps
in privileged EXEC mode.
1. Enter the configure terminal command to access global configuration mode.
2. Enter the interface command to specify the DCB interface type and slot/port number.
The gigabitethernet rbridge-id/slot/port operand is used only for the Brocade VDX 6710,
VDX 8770-4, and VDX 8770-8. The prompt for these ports is in the following format: switch(config-
if-gi-22/0/1)#.
switch(config)# interface tengigabitethernet 0/1
3. Enter the no shutdown command to enable the DCB interface.
switch(conf-if-te-0/1)# no shutdown
4. Enter the spanning-tree command to restrict the topology change notification BPDUs sent on the
DCB interface.
switch(conf-if-te-0/1)# spanning-tree restricted-tcn
Enabling and disabling STP (DCB)
Do the following to enable or disable spanning tree, as appropriate.
Enabling spanning tree (DCB)
From the DCB interface, use this command to enable spanning tree on the DCB interface. By default,
spanning tree is disabled.
To enable spanning tree on the DCB interface, run the following steps in privileged EXEC mode.
1. Enter the configure terminal command to access global configuration mode.
2. Enter the interface command to specify the DCB interface type and slot/port number.
The gigabitethernet rbridge-id/slot/port operand is used only for the Brocade VDX 6710,
VDX 8770-4, and VDX 8770-8. The prompt for these ports is in the following format: switch(config-
if-gi-22/0/1)#.
switch(config)# interface tengigabitethernet 0/1
3. Enter the no shutdown command to enable the DCB interface.
switch(conf-if-te-0/1)# no shutdown
4. Enter the spanning-tree command to enable spanning tree on the DCB interface.
switch(conf-if-te-0/1)# no spanning-tree shutdown
Disabling spanning tree (DCB)
From the DCB interface, use this command to disable spanning tree on the DCB interface. By default,
spanning tree is disabled.
To disable spanning tree on the DCB interface, run the following steps in privileged EXEC mode.
1. Enter the configure terminal command to access global configuration mode.
2. Enter the interface command to specify the DCB interface type and slot/port number.
Restricting the topology change notification (DCB)
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