From: Mujeeb Sarwar (mujeebsarwar@gmail.com)
Date: Wed Jan 07 2009 - 16:15:20 ARST
Hi,
Multilink interface adopts bandwith from its member interfaces so it changes
bandwith according to the state of member interface UP/Down. So I think OSPF
will run SPF if any of the member link goes down to calculate new cost.
Regards,
Mujeeb
On Wed, Jan 7, 2009 at 10:01 PM, <ron.wilkerson@gmail.com> wrote:
> I wouldn't think ospf would run spf calculation if only one of the mlppp
> members went down. The bandwidth variable isn't going to change on the
> multilink interface when a member drops, thus ospf shouldn't recalculate.
>
> Ron
> -----Original Message-----
> From: "Rajakumar Ramasamy" <crrajakumar@gmail.com>
>
> Date: Wed, 7 Jan 2009 10:45:15
> To: Cisco certification<ccielab@groupstudy.com>
> Subject: MLPP - OSPF SPF Calculation
>
>
> 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
>
>
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