That's a very good question, actually. I noticed the same thing. I believe
in whatever standard that defines those type codes, it actually says IP over
10bps Networks instead of just IP. There's probably some historical (or
hysterical) reason for that but I have no idea what it is. I'm sure someone
will know the story behind this. I'm thinking specifically of two people
whose names start with a P and an H. :-)
John
> I hope someone can explain this because I am a lost here. I have the CIT
> r Support book from the CIT support class put on by Cisco. Basically it
> has like a bunch of slides in the book for you to follow along in class
> and take notes from the instructor. Well we came across one slide that I
> did not understand to well of how Cisco came up with this below is a
> duplicate of the slide.
> ------------------------------------------------------------------------
> ------------------------------------------------------------------------
> ------------------------------------
> Router#debug frame-relay events
> Serial0(i) : dlci 500(0x7c41), pkt type 0x800, datagramsize 24
> Serial1(i) : dlci 1023(0xfcf1), pkt type 0x309, datagramsize 13
>
> The Frame Relay packets received on serial 0 DLCI 500 are type IP on
> 10-Mbps nets with 24-byte size
> The Frame Relay packets received on serial1 DLCI 1023 are ANSI LMI
> messages with 13-byte size
>
> Note: Use this command on network with fewer than 25 packets per second
> due to the debug command's processing and output generation costs.
>
>
> Now on to my question I understand how they say DLCI 500 traffic is type
> IP by 0x800 due to my sniffer experience and how they say DLCI 1023 are
> ANSI LMI 0x309. But what in the heck and how in the heck due they say
> DLCI 500 are type IP on 10Mbps nets. What am I missing here?
>
> Thank you
>
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