I was wondering if there is a single command to clear a single network port's configuration? (wipe switchport, portsecurity,...)

1 Answer 1


In global configuration mode, typing default interface [the interface] will clear the interface's configuration in the running-config.

  • Whenever you repurpose an interace, the safest action is to reset it to default. That way you can be sure to only have the settings you want.
    – JelmerS
    May 23, 2013 at 12:17
  • 11
    Beware, if you have commands on an interface that effect a port group (such as vlan maps on a 6500) the default command will remove those from the entire port group. May 23, 2013 at 12:21
  • 3
    Yep, this is the easiest way. Additionally you might want to shutdown the port, 'default interface' doesn't do that for you.
    – Teun Vink
    May 23, 2013 at 13:35
  • 2
    @TeunVink, actually that depends if the interface is shutdown by default or not and this will vary depending on platform/version of IOS.
    – YLearn
    May 23, 2013 at 18:38

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