Re: MLPP - OSPF SPF Calculation

From: Pavel Bykov (slidersv@gmail.com)
Date: Wed Jan 07 2009 - 18:17:51 ARST


How many SPF calculations does OSPF report?

On Wed, Jan 7, 2009 at 7:28 PM, ron wilkerson <ron.wilkerson@gmail.com>wrote:

> you made me verify what i said but looks like i'm correct:
>
> Router#sh ip int b
> Interface IP-Address OK? Method Status
> Protocol
> FastEthernet0/0 unassigned YES unset administratively down
> down
> Serial0/0 unassigned YES unset up
> down
> FastEthernet0/1 unassigned YES unset administratively down
> down
> Serial0/1 unassigned YES unset up
> down
> Multilink1 unassigned YES unset down
> down
> Router#
>
>
> both serial interfaces are down but the multilink reports 3 megs:
>
> Multilink1 is down, line protocol is down
> Hardware is multilink group interface
> MTU 1500 bytes, BW 3088 Kbit/sec, DLY 100000 usec,
>
> On Wed, Jan 7, 2009 at 10:45 AM, Rajakumar Ramasamy
> <crrajakumar@gmail.com>wrote:
>
> > Hello,
> >
> >
> >
> > I would like to know, does OSPF run SPF calculation if one of the link in
> > the MLPP bundle fails or all the links should be failed for OSPF run the
> > SPF.
> >
> >
> >
> > My assumption is MLPP should be down (meaning all the links in the bundle
> > should be down) for OSPF to re-run the SPF calculation.
> >
> >
> >
> > If you know any cisco documentaion regarding this please send the URL.
> >
> >
> >
> > Thanks you ,
> >
> > Raja
> >
> > CCIE # 21437
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
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> >
> >
> >
> >
> >
> >
> >
>
>
> --
> stop talking
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
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>
>
>
>
>
>
>

-- 
Pavel Bykov
----------------
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