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Conference lassie::ucx

Title:DEC TCP/IP Services for OpenVMS
Notice:Note 2-SSB Kits, 3-FT Kits, 4-Patch Info, 7-QAR System
Moderator:ucxaxp.ucx.lkg.dec.com::TIBBERT
Created:Thu Nov 17 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:5568
Total number of notes:21492

5003.0. "Routing Question" by BSS::G_MCINTOSH (Touch Not the Cat, Bot the Glove) Fri Dec 06 1996 11:00

T.RTitleUserPersonal
Name
DateLines
5003.1129.53.78 turns to 129.53.0.78 ???CSC32::TORELLOKerry Torello, Customer SupportTue Dec 10 1996 11:5725
5003.2Now I'm really confused ! :)CSC32::TORELLOKerry Torello, Customer SupportTue Dec 10 1996 12:1019
5003.3CSC32::TORELLOKerry Torello, Customer SupportMon Dec 16 1996 12:2411
5003.4LADDIE::TIBBERTLee Tibbert, DTN 226-6115Mon Dec 16 1996 17:3412
5003.5CSC32::TORELLOKerry Torello, Customer SupportWed Dec 18 1996 14:5310
5003.6IP stands for Income Protectiontwick.nio.dec.com::PETTENGILLmulpMon Jan 27 1997 23:3946
In other words, design the network software and architecture in such a way
that network managers are assured jobs that pay well for centuries to come.


>I'm so confused !  Okay, someone please tell me how far off base I am here.  It
>works the same way in v4.1 ECO1 so I guess that's the way it's supposed to work
>and I'm totally on the wrong track, right ?  :)

Yes, that is the way that it's supposed to work.  The way that addresses are
represented/interpreted was not designed/specified by Digital.  It was specified
by Internet hackers, eerrr, designers, who knew how things were implemented.
An address that is too short gets padded with zeros in the middle based on the
network class.   Thus 16.1.2 becomes 16.0.1.2 while 129.1.2 becomes 129.1.0.2.
If you are an IP advocate, you see the elegance in the extra code that makes
this happen.

>How do we get 129.53.78.0 [Class C subnet] to go to one router, and everything
>in 129.53.anything_but_78.anything to go to a different router ???

If you want 129.53.78.0, then say 129.53.78.0, not 129.53.78:

UCX> SET ROUT 129.53.78 /GATE=131.25.48.5 /NETWORK/perm
UCX> sho rou/perm

                             PERMANENT database

Type           Destination                           Gateway

PN    0.0.0.0                               16.135.32.10
PN    129.53.0.78                           131.25.48.5
UCX> SET ROUT 129.53.78.0 /GATE=131.25.48.5 /NETWORK/perm
UCX> sho rou/perm

                             PERMANENT database

Type           Destination                           Gateway

PN    0.0.0.0                               16.135.32.10
PN    129.53.0.78                           131.25.48.5
PN    129.53.78.0                           131.25.48.5
UCX>

If you don't know this, step aside and let me come in and help you
out for $500 an hour.

			;-)