[c-nsp] OSPF point-to-point vs dr/bdr

Paul Cosgrove paul.cosgrove at heanet.ie
Wed Aug 20 14:42:13 EDT 2008


I'm not sure I understand you there.  Do you mean that the intention
behind the draft RFC was for some form of point-to-point configuration
command on the interface, which would apply to all link state routing
protocols?

Paul.

Rodney Dunn wrote:
> There was a point to point configuration on the link itself and it
> caused a bunch of platform forwarding problems once.
> 
> I wouldn't use that one. 
> 
> Note I'm not talking about the OSPF point to point control plane
> configuration. 
> 
> Rodney
> 
> On Wed, Aug 20, 2008 at 07:43:51PM +0200, sthaug at nethelp.no wrote:
>>>> These are all good points, and makes me wonder - if it's *known* that an
>>>> Ethernet link will be used as a point to point link between two routers,
>>>> why doesn't everybody configure it explicitly as a point to point link?
>>>> I know we always do...
>>> The benefit/cost ratio is low. You aren't saving much be eliminating DR/BDR 
>>> election, and it's just one more unnecessary tweak to keep track of. IMHO.
>> Funny, we look at it exactly the opposite way. We're a service provider,
>> and a large majority of the Ethernet links where we run an IGP are point
>> to point links. So we have the point to point configuration as part of
>> our standard config template, nothing extra to keep track of.
>>
>> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
>>
>> _______________________________________________
>> cisco-nsp mailing list  cisco-nsp at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-nsp
>> archive at http://puck.nether.net/pipermail/cisco-nsp/
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
> 


-- 
HEAnet Limited
Ireland's Education & Research Network
5 George's Dock, IFSC, Dublin 1, Ireland
Tel:  +353.1.6609040
Web:  http://www.heanet.ie
Company registered in Ireland: 275301

Please consider the environment before printing this e-mail.


More information about the cisco-nsp mailing list