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List:       zebra
Subject:    [zebra 20771] Re: shorter hello intervals
From:       David Young <dyoung () pobox ! com>
Date:       2003-11-26 3:37:33
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On Tue, Nov 25, 2003 at 10:14:53PM -0500, Elizabeth Idhaw wrote:
> I did find something on Cisco's website that did fast hello intervals 
> on the order of milliseconds.  I did read in the IETF RFC 2328 for OSPF 
> that the Hello Interval is in terms of seconds so I don't think it's 
> standard.
> 
> Have you done any work with quagga?  Is it as good as zebra?

Elizabeth,

Zebra development has virtually stopped. Quagga started off with the
newest Zebra sources: it is the same routing software with a different
name.

Dave

> 
> On Nov 25, 2003, at 6:11 PM, Kristian Larsson wrote:
> 
> > I beleive Elizabeth meant she was interested in doing tests between 1s 
> > and 100ms, not that 1s IS 100ms.
> > Anyway, on Cisco routers it is possible to go below 1s and so it 
> > should be 'standard'.
> > Don't know anything about how to do it in zebra though.. have a look 
> > at quagga maybe?
> >
> > /K
> >
> > On Tue, 25 Nov 2003 14:24:40 -0800
> > "Scott Stone" <Scott.Stone@palmsource.com> wrote:
> >
> >> actually 1 second is 1000ms ... I don't believe the OSPF spec 
> >> accounts for this but I SUPPOSE if you had ONLY zebra routers in your 
> >> network that could be modified to do something like usleep() or 
> >> something of that nature in the code?  Might not even matter to other 
> >> routers, but I'm not sure... since you have the lab there, you might 
> >> want to try it - but I believe it will require source code 
> >> modification to do.
> >>
> >> -----Original Message-----
> >> From: zebra-bounces@ml.zebra.org 
> >> [mailto:zebra-bounces@ml.zebra.org]On Behalf Of Elizabeth Idhaw
> >> Sent: Tuesday, November 25, 2003 2:12 PM
> >> To: zebra@zebra.org
> >> Subject: [zebra 20765] shorter hello intervals
> >>
> >>
> >> Hello,
> >>
> >> I'm doing some work in a lab with zebra ospf routers and would like 
> >> to test some things out using less than 1 second hello intervals (1 
> >> second - 100 milliseconds).  When configuring ospf the smallest 
> >> interval available is 1 second.  I've been trying to look through the 
> >> source code to see what should be changed to create the shorter 
> >> intervals.  I tried setting TIMER_SECOND_MICRO = 1000L instead of 
> >> 1000000L in thread.c but that didn't work.  Any useful tips or 
> >> insights would be greatly appreciated.
> >>
> >> Thanks,
> >>   Elizabeth Idhaw
> >>
> >>
> >
> >
> > _______________________________________________
> > Zebra mailing list
> > Zebra@ml.zebra.org
> > http://ml.zebra.org/mailman/listinfo/zebra
> 
> 
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-- 
David Young             OJC Technologies
dyoung@ojctech.com      Urbana, IL * (217) 278-3933
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