You can, and should, passive the loopback interface.
The extra is nominal, but it is good practice.
--- Phil Barker <[EMAIL PROTECTED]> wrote:
> James,
> I wouldn't have expected that, the likelihood
> of
> the loopback process crashing without the router
> crashing as well is miniscule. It looks more likely
> that Cisco have put it in for completeness.
> I would guess that the extra CPU overhead is also
> very
> small as well.
>
> Regards,
>
> Phil.
>
> --- James Haynes <[EMAIL PROTECTED]> wrote: >
> Hi
> all,
> >
> > I've been doing some debugging of EIGRP packets
> and
> > noticed that Hello
> > packets are sent to the Loopback interface when
> > configured:
> >
> > Feb 2 13:47:29 pst: EIGRP: Sending HELLO on
> > Loopback0
> > Feb 2 13:47:29 pst: AS XXXX, Flags 0x0, Seq 0/0
> > idbQ 0/0 iidbQ un/rely
> > 0/0
> > Feb 2 13:47:29 pst: EIGRP: Received HELLO on
> > Loopback0 nbr XXX.XXX.XXX.XXX
> > Feb 2 13:47:29 pst: AS XXXX, Flags 0x0, Seq 0/0
> > idbQ 0/0
> > Feb 2 13:47:29 pst: EIGRP: Packet from ourselves
> > ignored
> >
> > I've looked in Pepelnjak's book to see if this is
> > needed and I don't see it
> > mentioned anywhere. Is this not just wasting CPU
> > cycles on a meaningless
> > endeavor? Is this required in order for EIGRP to
> > function properly? If I
> > could I'd like to put in a passive-interface for
> the
> > Loopback. Enjoy the
> > weekend.
> >
> > Jim
> >
> >
> >
> > _________________________________
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>
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