Verifying STP Operation
Before taking a look at how to change the configuration, first consider a few STP verification commands. Looking at these commands first will help reinforce the default STP settings. In particular, the examples in this section use the network shown in Figure 12-4.
Figure 12-4 Sample Topology for STP Configuration and Verification Examples
Example 12-1 begins the discussion with a useful command for STP: the show spanning-tree vlan 10 command. This command identifies the root switch and lists settings on the local switch. Example 12-1 lists the output of this command on both SW1 and SW2, as explained following the example. ...
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