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3-33

Multiple Instance Spanning-Tree Operation

Configuring MSTP

Figure 3-10. PVST Switch Being Isolated after Sending a PVST BPDU

Note This is similar to the BPDU Guard feature where BPDU protection is applied

to edge ports connected to end user devices that do not run STP. If STP BPDU

packets are received on a protected port, the feature will disable that port and

alert the network manager via an SNMP trap.

For example, to enable the PVST protection feature on ports 4 through 8, enter

this command:

HP Switch(config)# spanning-tree 4-8 pvst-protection

To disable the PVST protection feature on a port, for example, port 4, use this

command:

HP Switch(config)# no spanning-tree 4 pvst-protection

Syntax: [no] spanning-tree <port-list> pvst-protection

Enables or disables the PVST protection feature on the port or

range of ports specified. The command indicates which ports

are not expected to receive any PVST BPDUs.

Default: Disabled on all ports

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