From: Rick Burts (burts@xxxxxxxxxxxxxx)
Date: Sun Feb 18 2001 - 10:25:56 GMT-3
Dan
Yes EIGRP is a (mostly) classless protocol but it does occassionally
show its classful background (default automatic summarization at
network boundaries is one such aspect and the classful network in the
network statement is another).
Prior to release 12.0 EIGRP did not support a mask in the network
statement. In some releases of 12.0 EIGRP does now support masks in
the network statement. The mask is an option, the default continues
to assume a classful network. The mask can be very handy and gives
you some capability closer to what OSPF has done, especially in
situations where you may want to include only certain interfaces/subnets
of a network.
Rick
Rick Burts, CCSI CCIE 4615 burts@mentortech.com
Mentor Technologies 240-568-6500 ext 6652
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On Sat, 17 Feb 2001, Dan wrote:
> I have noticed that in most cases EIGRP will not let me enter a wild =
> card mask after the network "x.x.x.x" statement.
> But I remember in the past that I have been able to do this. I'm a bit =
> confused by this.
> EIGRP is supposed to be a classless protocol, but after entering all my =
> subnets under the EIGRP process, I see that it's summarizing them at the =
> classful boundary, even though I have disabled automatic summarization. =
>
> Why does this happen and am I correct that it sometimes let's you add a =
> wildcard mask like OSPF does?
>
>
> Dan Pontrelli
> Customer Installation Engineer - Verio NYC
> CCNP, MCSE, CNA
>
>
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