North American Network Operators Group
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Re: [eng/rtg] changing loopbacks

  • From: Sean Figgins
  • Date: Fri Sep 30 15:43:31 2005 
On Fri, 30 Sep 2005, Christopher L. Morrow wrote:

> ospf doesn't, for router-id on cisco's atleast, as Warren pointed out :(
> however! switching from ospf to 'another igp' (ISIS would work well) would
> avoid that, slide off ospf and onto ISIS, kill ospf when all next-hops
> switch, which should be 'as soon as isis converges'.

It is a good reason to assign seperate router IDs, rather than rely on the
OSPF implementation to decide which IP is the one it will use.  Of course
not all vendors support this.  The major router vendors do, though.

 -Sean