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Conference turris::digital_unix

Title:	DIGITAL UNIX(FORMERLY KNOWN AS DEC OSF/1)
Notice:	Welcome to the Digital UNIX Conference
Moderator:	SMURF::DENHAM

Created:	Thu Mar 16 1995
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	10068
Total number of notes:	35879

9953.0. "Digital Unix V4.0b and IP-routing ... help needed !" by BACHUS::DIDDEN () Tue May 27 1997 09:24


Hi there, can anyone help me out on the following issue:

One of our customers has an Alphaserver with 2 network cards having
IP addresses in a different subnet, each subnet has a number of PC's
attached to it.



=========
         |
     tu0 +++ 194.197.62.1 netmask 255.255.255.0 ++++++++ PC's on tu0 net
	 |
	 |
     tu1 ++ 194.197.61.15 netmask 255.255.255.0 ++++++++ PC's on tu1 net
	 |
=========


The customer would like that a PC on the tu0 net can contact any PC on the
tu1 net and vice versa.


He is running the gated(8) daemon and has the following in his
/etc/gated.conf file:


..........
..........
........
# *   or  in  FAR 52.227-19, as applicable.                       *
# *                                                               *
# *****************************************************************
#
# HISTORY
# 
# @(#)$RCSfile: gated.conf.default,v $ $Revision: 1.1.2.2 $ (DEC) $Date: 1995/04/13 18:47:51 $ 
# 
# Create 2 trace files 100k each in /usr/tmp/gated.log (replace .0, .1...)
traceoptions "/usr/tmp/gated.log" replace size 100k files 2 general ;

# Mark interface passive; meaning do not time-out
interfaces {
        interface all passive ;
} ;

# Enable RIP and send RIP updates only if >1 interface is configured
# emulating /usr/sbin/routed
rip yes ;

# the following clause when uncommented act same as "routed -q" mode; 
# (i.e. quite mode) -- never send RIP update even >1 interface configured.
# rip yes
# {
#       nobroadcast;
# } ;


static {
        default gateway 194.197.61.1 ;
        194.197.62.0 mask 255.255.255.0 interface tu0 ;
        194.197.61.0 mask 255.255.255.0 interface tu1 ;
} ;


He also has ROUTER="yes" in /etc/rc.config

Anyway he does not obtain the wanted result, he can ping from any PC on any
subnet the interface of the other subnet but cannot reach any other host
on that subnet.

Am I suffering from temporary blindness ...???


Geert\\\

T.R Title User Personal
Name Date Lines

9953.1 do the PC's know the routes? NNTPD::"ftw@zk3.dec.com" Farrell Woods Tue May 27 1997 14:16 15

T.R	Title	User	Personal Name	Date	Lines
9953.1	do the PC's know the routes?	NNTPD::"ftw@zk3.dec.com"	Farrell Woods	`Tue May 27 1997 14:16`	15
	It appears that you're assuming the PCs will pick up the routes advertised by gated. Unless the PCs are running a daemon that listens for the RIP broadcasts, they won't automatically pick up those routes. You can do one of two things to fix this: o Find a routed-like daemon for the PCs o Set up a default route on each of the PCs that points to the IP address of your UNIX machine. -- Farrell [Posted by WWW Notes gateway]

It appears that you're assuming the PCs will pick up the routes
advertised by gated.  Unless the PCs are running a daemon that
listens for the RIP broadcasts, they won't automatically pick up
those routes.

You can do one of two things to fix this:

	o Find a routed-like daemon for the PCs
	o Set up a default route on each of the PCs that points to
	  the IP address of your UNIX machine.


	-- Farrell

[Posted by WWW Notes gateway]