Configuring PortFast and BPDU Guard
PortFast and BPDU Guard
You can easily configure the PortFast and BPDU Guard features on any interface, but with two different configuration options. One option works best when you only want to enable these features on a few ports, and the other works best when you want to enable these features on most every access port.
First, to enable the features on just one port at a time, use the spanning-tree portfast and the spanning-tree bpduguard enable interface subcommands. Example 2-6 shows an example of the process, with SW3’s F0/4 interface enabling both features. (Also, note the long warning message IOS lists ...
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