I get this message when I change a distribute-list on the router.
Can I confirm, that every time you change a distribute list (ie no dist-list 10 then re-apply it) the eigrp adj resets with this error and this is normal operation. Is this the same with prefix lists if you take a list off then re-apply it?
ps. could not find a reference on the cisco website anywhere specifying this particular eigrp NBRCHANGE message above :)
EIGRP doesn't keep track of what it has advertised to each neighbor, and thus it doesn't know what it should withdraw from any given neighbor when you change the filtering. Thus, the only way to make certain all of your neighbors have the right information when filtering is changed is to reset the neighbors on which filtering has changed.
This may change at some point in the future, but for now, it's normal operation.
Ah, yes.... In fact, the behaviour for distribute lists was just changed recently, if I remember right, and there's always this big argument over that behaviour--do customers actually like it that the neighbors reset, or should we not do that? The arguments are:
-- If you don't reset the neighbor autmatically, then customers will be surprised when the filter doesn't take effect.
-- If you reset the neighbor autmatically, then customers will be surprised over the neighbor reset, or perhaps a neighbor reset each time they change a configured filter (or how do you handle filtering mechanisms that can support adding and removing filter lines).
I think, for now, the argument in favor of automatic resets has won, but I'm not certain any code was put in place for anything other than distribute lists. I could file something for prefix lists, if it's not already filed. I'll put that on my list of things to do....
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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