From: ForLab (forccielab@xxxxxxxxx)
Date: Tue Apr 24 2001 - 08:58:39 GMT-3
If you want to change maxage, you should use
set spant root dia xxx hell yyy
That's the currect way.
----- Original Message -----
From: "xh_liu" <xh_liu@ecnetwork.com.cn>
To: "Tariq Sharif" <tariq_sharif@btinternet.com>; "Ccielab@Groupstudy. Com" <cc
ielab@groupstudy.com>
Sent: Monday, April 23, 2001 9:40 PM
Subject: Re: STP Timers Clarification
> ----- Original Message -----
> From: Tariq Sharif <tariq_sharif@btinternet.com>
> To: Ccielab@Groupstudy. Com <ccielab@groupstudy.com>
> Sent: Monday, April 23, 2001 8:07 PM
> Subject: STP Timers Clarification
>
>
> > I've been using Kennedy Clark's Cisco LAN Switching book to do STP. Not
> > clear on STP timers adjustment.
> >
> > 1) For improving convergence on indirect link failures do you just decrease
> > Max age (using set spantree maxage command)?
>
> See:BackboneFast, which will improve convergence with 20s(Max age time).
> Blocked port jump to listening ->learning(15s);
> learning->forwarding(15s);
>
> > 2) For improving convergence on direct link failures do you just decrease
> > Forward delay (using set spantree fwddelay command)?
>
> See:Uplinkfast,which keep convergence time within 1-5s.
>
> > 3) Book says can only do this on Root bridge, but I can change them on all
> > switches- And there seem to be 2 timers one for Root bridge & one for local
> > bridge, I thought if you change the timers on root this will be propagated
> > to all other switches.
> >
>
> Yes if you change the timers on root this will be propagated to all other swi
tches by
> BPDUs, and only this timers's value is used by SPT. Other non-root bridge's
timers will
> be used only when the bridge became root bridge next time(Perhaps topology ch
ange).
>
> > Any ideas please?
> >
> > Many thanks & regards.
> >
> > Tariq Sharif
> >
> > [GroupStudy.com removed an attachment of type application/ms-tnef which had
a name of winmail.dat]
> > **Please read:http://www.groupstudy.com/list/posting.html
> **Please read:http://www.groupstudy.com/list/posting.html
**Please read:http://www.groupstudy.com/list/posting.html
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