HP 6120XG HP ProCurve Series 6120 Blade Switches Advanced Traffic Management G - Page 136
Example of BPDU Protection Enabled at the Network Edge, bpdu-protection
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Multiple Instance Spanning-Tree Operation Configuring MSTP STP Domain SNMP Trap SNMP Trap Management Station BPDU protection End User Switch SNMP Trap Event Log: port X is disable by STP Fake STP BPDU Figure 4-7. Example of BPDU Protection Enabled at the Network Edge The following commands allow you to configure BPDU protection. Syntax: [no] spanning-tree bpdu-protection Enables/disables the BPDU protection feature on a port Syntax: [no] spanning-tree bpdu-protection-timeout Configures the duration of time when protected ports receiving unauthorized BPDUs will remain disabled. The default value of 0 (zero) sets an infinite timeout (that is, ports that are disabled by bpdu-protection are not, by default, re-enabled automatically). (Range: 0-65535 seconds; Default: 0) Syntax: [no] spanning-tree trap errant-bpdu Enables/disables the sending of errant BPDU traps. Caution This command should only be used to guard edge ports that are not expected to participate in STP operations. Once BPDU protection is enabled, it will disable the port as soon as any BPDU packet is received on that interface. 4-32