Re: MLPP - OSPF SPF Calculation

From: ron wilkerson (ron.wilkerson@gmail.com)
Date: Wed Jan 07 2009 - 18:29:53 ARST

yep, i see the same thing. you'd think with all members down, the multilink
int would report something different.

beyone me i suppose...

On Wed, Jan 7, 2009 at 3:23 PM, Mujeeb Sarwar <mujeebsarwar@gmail.com>wrote:

>
> This is little bit strange because when you shut/no shut only one or more (
> NOT ALL ) interfaces then bandwidth on Multilink interface changes
> accordingly.
>
>
> Regards,
>
> Mujeeb
>
> On Wed, Jan 7, 2009 at 10:28 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
>> >
>> >
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>> >
>> >
>> >
>> >
>> >
>>
>>
>> --
>> stop talking
>>
>>
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> 

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