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You are newly hired as a network administrator for an IT company. One of your assignments is to change the current root bridge for VLAN 10. Since you don't have a full knowledge of the switch configurations, what command should you issue on the switch to verify which is the elected root bridge specific for VLAN 10?
show spanning-tree summary
show root-bridge
show spanning-tree vlan 10
show spanning-tree active
To show the specific spanning-tree information of a specific VLAN, issue the command "show spanning-tree vlan [VLAN ID]", i.e. "show spanning-tree vlan 10". The command "show spanning-tree summary" only displays a brief STP information. (http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/command/reference/layer2/n5k-l2-cr/n5k-l2cmdsshow.html#wp1442184) For a full list of show spanning tree commands and options, see: http://www.cisco.com/c/en/us/td/docs/ios/lanswitch/command/reference/lswbook/lsws1.html#wp1079542
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