From: micsoniu@telus.net
Date: Mon Apr 25 2005 - 16:50:57 GMT-3
On the root bridge:
spann vlan X root primary diameter 3
HTH
Quoting san <san.study@gmail.com>:
> Is there a way to change the STP diameter from default 7 to say 3 ? I
> came accross this question in one of the practice labs & the answer
> was something with changing max-age (15 from default 20) & forward
> delay. (17 from default 20)
>
> Can some one pass me a link or explain how to derive it. ?
>
> Searched around Group Study & Goolge could not find. Attached link
> shows there is a command called "dia" for cat switches. Not sure for
> IOS based switches.
>
> related link:
>
http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a0080094
954.shtml
>
> /SAN
>
>
>
> On 4/25/05, vazman@aol.com <vazman@aol.com> wrote:
> > Set the max age time to 6 sec and forward-time to 5 sec. Total time would
> be 5+5+6 = 16sec.
> >
> > S1(config)#spanning-tree vlan 1 max-age ?
> > <6-40> maximum number of seconds the information in a BPDU is valid
> >
> > S1(config)#spanning-tree vlan 1 forward-time ?
> > <4-30> number of seconds for the forward delay timer
> >
> > HTH
> >
> > -----Original Message-----
> > From: micsoniu@telus.net
> > To: 'Group Study' <ccielab@groupstudy.com>
> > Sent: Mon, 25 Apr 2005 11:35:28 -0700
> > Subject: STP Timers
> >
> > Hi,
> >
> > How do we set the STP timers so that an access port would move from
> blocking
> > state into the forward state in exactly 16 seconds ?
> >
> > Thanks.
> >
> > Narcis
> >
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