----- Original Message -----
From: ""천리안메일"" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
Sent: Friday, January 19, 2001 10:06 AM
Subject: RE: TCP port number 0
> ahp (51), eigrp (88), esp (50), gre (47), igrp (9), icmp (1), igmp (2),
igrp (9), ip (0), ipinip (4), nos (94), ospf (89), pcp (108), pim (103), tcp
(6), or udp (17).
>
> 0 is 'ip'.
>
Sorry to say this, but all this has nothing to do with TCP ports - all these
are IP protocol numbers (or you can think of these as IP packet payload
type), so the IP stack "knows" what inside the packet. WWW.ietf.com :-)
RGRDS,
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