Re: portfast default

Spanning-tree portfast default: Globally enable the Port Fast feature on all
nontrunking interfaces. When the Port Fast feature is enabled, the interface
changes directly from a blocking state to a forwarding state without making
the intermediate spanning-tree state changes.

Check the command reference for this command:
http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12
.2_52_se/command/reference/cli3.html#wp1946892

HTH

--
Mohammad Mousa
CCIE #36990
On Nov 24, 2012, at 6:12 PM, Tauseef Khan wrote:
> following is the output from 3650 which says on all ports
>
> SW1(config)#spanning-tree portfast default
> %Warning: this command enables portfast by default on all interfaces. You
>  should now disable portfast explicitly on switched ports leading to hubs,
>  switches and bridges as they may create temporary bridging loops.
>
>
>
>
> On 24 November 2012 15:03, Mohammad Mousa <mohd-mousa_at_hotmail.com> wrote:
>
> If you try to enable the portfast default command in the global
configuration mode, you will see warning message says that all access ports
will operate as portfast only!
>
> HTH
>
> --
> Mohammad Mousa
> CCIE #36990
>
>
> > Date: Sat, 24 Nov 2012 14:55:52 +0000
> > Subject: portfast default
> > From: tasneemjan_at_googlemail.com
> > To: ccielab_at_groupstudy.com
>
> >
> > If I have spanning-tree portfast default on switch will it effect the
ports
> > in trunking mode too or would only effect the access ports. What effect
> > does it have on ports in dot1qtunnel mode.
> > Regards
> >
> >
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