Re: OT: running multiple IGPs on Nexus interfaces

Also don't forget about NXOS snapshots if you are worried about rolling back a lot of changes

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> On Apr 11, 2014, at 7:33 PM, Anthony <anthonybonilla.ccie_at_gmail.com> wrote:
>
> Good points Brian - much appreciated!
>
>> On Apr 11, 2014, at 5:49 PM, Brian McGahan <bmcgahan_at_ine.com> wrote:
>>
>> The best way to migrate the new protocol in would be to start the OSPF process, set the Admin Distance to 121 or higher, establish your OSPF adjacencies everywhere, then start at one end of the network and slowly remove the OSPF AD configs on a hop-by-hop basis. If you need to roll back you can just set the OSPF distance higher than 120 again, or worst case scenario just say "no feature ospf" everywhere and it'll delete all the OSPF configs.
>>
>> The config on Nexus for routing has pretty much the same behavior as IOS and Catalyst IOS. You can see a side by side comparison of them here:
>>
>> http://docwiki.cisco.com/wiki/Cisco_NX-OS/IOS_OSPF_Comparison
>>
>>
>>
>> Brian McGahan, 4 x CCIE #8593 (R&S/SP/SC/DC), CCDE #2013::13
>> bmcgahan_at_INE.com
>>
>> Internetwork Expert, Inc.
>> http://www.INE.com
>>
>>
>> -----Original Message-----
>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Anthony
>> Sent: Friday, April 11, 2014 10:53 AM
>> To: Mirza Baig
>> Cc: Cisco certification
>> Subject: Re: OT: running multiple IGPs on Nexus interfaces
>>
>> Awesome, that's what I was hoping but haven't done it before - its usually one way or another but with Nexus if i have to backout, it would become challenging since there would be a lot more config that needs to be put back in... Thx!
>>
>>> On Apr 11, 2014, at 11:46 AM, Mirza Baig <mirzabaig101_at_gmail.com> wrote:
>>>
>>> Hi Anthony,
>>>
>>> I think it will work. NX-OS is advance enterprise licence it enhance
>>> the
>> protocol. This feature is available on the Cat-OS. I am sure it is available also on NX-OS.
>>>
>>> No need to give passive interface it will overwirte the protocol due
>>> to less
>> admin distance ospf 110.
>>>
>>> If u dont want to make OSPF adjacency than you will configure passive
>> interface command under Interface level.
>>>
>>> Thx
>>>
>>> Regards,
>>> Mirza
>>>
>>>
>>>> On Fri, Apr 11, 2014 at 4:40 PM, Anthony
>>>> <anthonybonilla.ccie_at_gmail.com>
>> wrote:
>>>> Hi team,
>>>>
>>>> I'm involved with a migration for a client where they are currently
>>>> running
>> RIPv2 but need to migrate to OSPF. I am thinking of enabling OSPF in addition to RIP so that backout is easier - I will make interfaces passive for RIP but don't know if Nexus would allow me to configure both RIP & OSPF on same interfaces. Does anyone have any experience with this? TIA.
>>>>
>>>> Tony
>>>>
>>>>
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Received on Sat Apr 12 2014 - 12:50:13 ART