Hi,
So basically, if I understand, CDP can be used on serial as well as on
Ethernet interfaces to get info. on neighboring routers. One question I had
regarding CDP is when you do a sh cdp neighbors, it gives you config info.
regarding the neighboring routers. I wanted to understand what AGS under
Platform meant in this configuration. What does it stand for?
Please advise.
Thank you.
Kind regards,
[EMAIL PROTECTED]
>From: "Raymond Everson (Rainman)" <[EMAIL PROTECTED]>
>Reply-To: "Raymond Everson (Rainman)" <[EMAIL PROTECTED]>
>To: Aaron Prather <[EMAIL PROTECTED]>
>CC: [EMAIL PROTECTED]
>Subject: Re: Can you block CDP with an access list???
>Date: Tue, 27 Jun 2000 19:47:18 -0400
>
>again..... read up.... udp=layer 4
>cdp=NOT layer 4
>.... in fatto: cdp is cisco's implementation of stretching layer 2 rules.
>
>The Cisco Discovery Protocol (CDP) Discovery Protocol
>
>CDP allows devices to share basic configuration information without even
>configuring any protocol
>specific information. CDP is enabled by default on all interfaces.
>
>CDP is a Datalink Protocol occuring at Layer 2 of the OSI model. This is
>important to understand
>because CDP is not routable. It can only traverse to directly connected
>devices.
>
>CDP allows you to view information such Operating System Version, Protocol
>Information, and much
>more. This can be very handy for troubleshooting a variety of problems.
>
>Aaron Prather wrote:
>
> > If you can what protocol does it use? UDP? i know its a protocol in
> > itself, but can this be done? what port number?
> >
> > Thanks guys,
> >
> > Aaron
> >
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