I believe that the network command with mask for EIGRP
is introduced in 12.0.4T . So it is definite in 12.1 .
CSCdj00824 ( amongst others has relation to this )
flem
--- John Neiberger <[EMAIL PROTECTED]> wrote:
> The 'network' statement in EIGRP is classful and
> accepts only the network
> number with no mask. You cannot specify subnets in
> the network statement,
> as all subnet masks fall on classful boundaries.
>
> In your case, "network 200.1.1.0" is all that you
> can enter. By default,
> any interface in the 200.1.1.0/24 subnet would
> participate in EIGRP,
> regardless of that interface's actual subnet mask.
>
> 'ip classless' and 'ip subnet-zero' have no bearing
> on this. EIGRP is
> classless, but the network statement itself is
> classful. I have no idea
> why.
>
> Remember that in EIGRP, the network statement
> specifies which interfaces
> participate in routing, not which networks are
> advertised.
>
> Let's say you have two interfaces, 200.1.1.1/29 and
> 200.1.1.9/29. If your
> network statement is 'network 200.1.1.0', then both
> of those interfaces will
> participate, but the actual /29 networks will be
> advertised, just as you
> would expect.
>
> HTH,
> John
>
> > Group,
> >
> > In the lab again looking at a scenario.
> >
> > At first, I configured a transit link with a /24
> mask.
> >
> > Later I thought - gee that's going to be a /29 or
> /30 in real life so I
> went
> > to change it.
> >
> > However, the router wouldn't accept "network
> 200.1.1.0 0.0.0.7" under
> > "router eigrp 10". It fails with the caret
> pointing at the first zero in
> > the wildcard mask.
> >
> > doing a "?" after "network 200.1.1.0" just comes
> up with a <cr>.
> >
> > However, on CCO I see examples of both statements
> - some with the mask
> > others without.
> >
> > Has the behavior of EIGRP changed lately even so
> that CCO has conflicting
> > examples or am I missing some connection?
> >
> > All routers have ip classless and ip subnet-zero
> configured.
> >
> > By the way, my lab scenario has OSPF
> redistributing the EIGRP. Looking at
> an
> > upstream routing table it shows the EIGRP network
> as a /29 even though
> there
> > is no "mask" in the statement.
> >
> > So what am I missing?
> >
> > Kevin Wigle
> >
> >
> > _________________________________
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>
>
>
>
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