CDP is a data-link layer protocol and includes
information such as interface address's, IOS version,
etc. If you use On demand routing then the router
configured for ODR will place routes in the routing
table from CDP packets. ODR is configured on one
router only - not both ends.
--- "Scoles, Damian" <[EMAIL PROTECTED]> wrote:
> I am trying to figure out exactly what CDP does. IF
> I understand it
> correctly it simply finds fellow cisco devices on
> the network (switches,
> routers). What I am confused about is that I read
> somewhere that it can
> pick up the layer 3 (or was it layer 2?) address on
> interface cards on the
> devices it discovers. If this is true and 2
> routers, who are in the same
> network, discover each other, could they route
> packets to each other without
> a routing process installed? Thanks.
>
>
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