Thank you Chuck,
I was meaning interfaces having an IP address matching
the network statement.
For example, let's say we have routerA, with two
ethernet e1 and e2
e1 has IP 10.10.11.1 and 192.168.11.1 as secondary
e2 has IP 10.10.12.1 and no secondary
EIGRP process is configured with the following
network 192.168.0.0
redistribute connected
Only e1 will participate in EIGRP, ie build some
neighbours relationship and exchange routing table.
In the routing table there will be 192.168.0.0
networks as well as 10.10.11.0 and 10.10.12.0
networks.
My question is why should one use this, instead of :
e1 has IP 10.10.11.1 and no secondary
e2 has IP 10.10.12.1 and no secondary
EIGRP process is configured with the following
network 10.10.0.0
passive interface e2
Thanks for your help,
-----Original Message-----
From: Chuck Larrieu [SMTP:[EMAIL PROTECTED]]
Sent: Monday, May 29, 2000 2:17 PM
To: Cisco Wave; Cisco Group Study
Subject: RE: EIGRP network command
You may want to review the result of the network
command under the EIGRP
routing process. While I have not looked at this in
IOS versions above 11.2,
I do know that networks are placed into the process,
not interfaces, in 11.2
i.e. in OSPF, one places interfaces into networks.
10.1.1.1 0.0.0.0 area 0
is more specific than 10.0.0.0 0.255.255.255, and
would place a single
interface into area 0, whereas the second example
would place all interfaces
with addresses in the 10.0.0.0 range into the process.
The EIGRP process
operates on the major classful networks, and not on
more specific subnets.
Well, let me re-word that. The designation for
networks that participate in
the EIGRP process is made along classful lines.
For EIGRP, there is no option for specifying a single
address into the
routing process. One can place network 10.1.1.1 into
the EIGRP process, but
doing a show run should yield network 10.0.0.0 in the
running config.
I suppose this opens the argument about what is meant
by "interface" :->
Chuck
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of
Cisco Wave
Sent: Sunday, May 28, 2000 8:55 PM
To: Cisco Group Study
Subject: EIGRP network command
Hello There,
In EIGRP, the network command will determine which
interfaces will participate
in the exhange of routes.
One way to set up EIGRP easily, is to put the network
command matching the networks
that are configured locally on the interfaces.
However, I found one time, some interfaces with
secondary IPs.
And only the network of these secondary IPs were
configured in EIGRP.
The good thing is that only these interfaces will
participe in EIGRP, and no more need passive
interfaces.
But it will consumme IP addresses, and also add some
complexity.
Do you have an idea why one would configure it this
way ?
Thank you,
=====
We are NOT Cisco Inc.
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