Hmmm, that explains why my explianer is unexplainable, I don't like coffee :)
Dave "Howard C. Berkowitz" wrote: > > At 6:16 PM +0000 8/12/02, John Neiberger wrote: > >Good point! Forgive me, I'd only had one cup of coffee when I wrote > >that. Usually I need at least three before my explainer works > >correctly. > > > >John > > You bring up an interesting question. Could we have predicted our > industry crash by monitoring coffee consumption by accountants, > vendors, or venture capitalists, etc.? There _ought_ to be a > correlation. > > > > >>>> "Howard C. Berkowitz" 8/12/02 11:39:12 AM >>> > >At 4:35 PM +0000 8/12/02, John Neiberger wrote: > >>You're putting too much thought into this. :-) The ip keyword will > >>match any ip packet regardless of the transport layer protocol being > >>used. You use the tcp, udp, and icmp keywords when you want to be > >even > >>more specific. > >> > >>HTH, > >>John > >> > >>>>> "maine dude" 8/12/02 10:16:19 AM >>> > >>Please help... In the example :access-list 101 deny tcp host > >>172.16.3.10 > >>172.16.1.0 0.0.0.255 eq ftpaccess-list 101 permit ip any any Do the > >>terms > >>"tcp" and "ip" refer to the individual protocols or the stack ? I > >>assume > >>they refer to the individual protocols as you could substitute them > >>with > >>"udp" or "icmp" but then surely the last statement would allow only > >>the > >>individual "ip" protocol and therefore all other packets such as tcp > >, > >>udp, > >>icmp would be filtered. Or does tcp , udp , icmp get through because > >it > >>is > >>encapsulated in ip ? ( I hate the OSI model ) -DJ > > > >Trust me. IP designers did not have OSI compliance in mind. > > > >And to be picky, John, ICMP isn't a transport protocol. It is a > >control/management protocol at the network layer. -- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367 "You don't make the poor richer by making the rich poorer." --Winston Churchill Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=51261&t=51235 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
