Dell PowerSwitch S4128F-ON OS10 Enterprise Edition User Guide Release 10.4.3.0 - Page 324
Recover BPDU guard error disabled ports
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Name PortID Prio Cost Sts Cost Bridge ID PortID ethernet1/1/4 128.272 128 500 BLK 500 32769 90b1.1cf4.a911 128.272 BPDU guard OS10(config)# interface ethernet 1/1/4 OS10(conf-if-eth1/1/4)# spanning-tree bpduguard enable OS10(conf-if-eth1/1/4)# do show spanning-tree interface ethernet 1/1/4 ethernet1/1/4 of vlan1 is designated Blocking Edge port:no (default) port guard :none (default) Link type is point-to-point (auto) Boundary: NO bpdu filter : Enable bpdu guard : bpduguard shutdown-on- violation :enable RootGuard: enable LoopGuard disable Bpdus (MRecords) sent 134, received 138 Interface Designated Name PortID Prio Cost Sts Cost Bridge ID PortID ethernet1/1/4 128.272 128 500 BLK 500 32769 90b1.1cf4.a911 128.272 Loop guard OS10(config)# interface ethernet 1/1/4 OS10(conf-if-eth1/1/4)# spanning-tree guard loop OS10(conf-if-eth1/1/4)# do show spanning-tree interface ethernet 1/1/4 ethernet1/1/4 of vlan1 is root Forwarding Edge port:no (default) port guard :none (default) Link type is point-to-point (auto) Boundary: NO bpdu filter : bpdu guard : bpduguard shutdown-on- violation :disable RootGuard: disable LoopGuard enable Bpdus (MRecords) sent 7, received 20 Interface Designated Name PortID Prio Cost Sts Cost Bridge ID PortID ethernet1/1/4 128.272 128 500 FWD 0 32769 90b1.1cf4.9d3b 128.272 Root guard OS10(conf-if-eth1/1/4)# spanning-tree guard root OS10(conf-if-eth1/1/4)# do show spanning-tree interface ethernet 1/1/4 ethernet1/1/4 of vlan1 is root Forwarding Edge port:no (default) port guard :none (default) Link type is point-to-point (auto) Boundary: NO bpdu filter : bpdu guard : bpduguard shutdown-on- violation :disable RootGuard: enable LoopGuard disable Bpdus (MRecords) sent 7, received 33 Interface Designated Name PortID Prio Cost Sts Cost Bridge ID PortID ethernet1/1/4 128.272 128 500 BLK 500 32769 90b1.1cf4.a911 128.272 Recover BPDU guard error disabled ports When OS10 detects a BPDU guard violation for an STP enabled port, the system shuts the port down. Use the BPDU Guard error disable recovery option to recover the shut-down ports automatically. 1 When there is BPDU guard violation on a port, OS10 either shuts down the port or moves it to BLOCKED state. Use the following command in CONFIGURATION mode, that shuts down the port. The no version of the command moves the port to BLOCKED state. errdisable detect cause bpduguard 2 To delay the recovery of ports when there is a BPDU Guard violation, configure the recovery interval timer in CONFIGURATION mode, . errdisable recovery interval interval-value 3 In CONFIGURATION mode, use the following command to enable recovering of ports shut down due to detection of a BPDU Guard violation. When the recovery option is enabled, the port is brought up after the recovery timer expires. When the recovery option is 324 Layer 2
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1,145
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1,146
-
1,147
-
1,148
-
1,149
-
1,150
-
1,151
-
1,152
-
1,153
-
1,154
-
1,155
-
1,156
-
1,157
-
1,158
-
1,159
-
1,160
-
1,161
-
1,162
-
1,163
-
1,164
-
1,165
-
1,166
-
1,167
-
1,168
-
1,169
-
1,170
-
1,171
-
1,172
-
1,173
-
1,174
-
1,175
-
1,176
-
1,177
-
1,178
-
1,179
-
1,180
-
1,181
-
1,182
-
1,183
-
1,184
-
1,185
-
1,186
-
1,187
-
1,188
-
1,189
-
1,190
-
1,191
-
1,192
-
1,193
-
1,194
-
1,195
-
1,196
-
1,197
-
1,198
-
1,199
-
1,200
-
1,201
-
1,202
-
1,203