Since BGP-4 is classless, the network statement must contain a subnet mask.
That network/subnet mask combination has to match an entry in the routing
table in order for BGP to advertise that route. It does not necessarily
enable BGP on that interface if one exists with that network/mask
combination.
If you had a route in your router, say 10.1.2.0/24, your corresponding BGP
network statement would be
network 10.1.2.0 mask 255.255.255.0
to have BGP advertise the route.
RIP, IGRP, and EIGRP are classful, so the network statement, when it is
entered, enables the routing protocol on the interfaces within that network
class on that router. For example, if I had an Ethernet interface
interface ethernet 0
ip address 10.1.2.1 255.255.255.0
in RIP/IGRP/EIGRP I would enter
network 10.0.0.0
to enable the routing process on that interface.
Oops, I guess those weren't layman's terms, were they? [groan]
----- Original Message -----
From: "Ray Smith"
To:
Sent: Thursday, August 30, 2001 8:56 AM
Subject: BGP Network Statement [7:17885]
> Could some please break down to me in layman terms how the Network
statement
> (eg., Network x.x.x.x) in BGP differs from that used in RIP, IGRP or
EIGRP?
> I am not exactly clear on the differences on how they are used.
>
>
> Ray
>
> _________________________________________________________________
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