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masquerading packets from old Sun 3/60

daemon@ATHENA.MIT.EDU (Jan Vicherek)
Sun Jan 21 06:21:31 1996

Date: 	Fri, 19 Jan 1996 19:15:54 -0500 (EST)
From: Jan Vicherek <jvichere@undergrad.math.uwaterloo.ca>
To: Linux NET mailing list <linux-net@vger.rutgers.edu>
cc: masq-request@indyramp.com, masq@indyramp.com


Hi.

 I have problems using IP masq. from baby (uname -a == SunOS baby 4.1.1 1 
sun3).

 The masq host is linux 1.3.46 (ann == 192.9.200.20)

 The IP masq worx from other machines (192.9.200.20, 200, 201), but not from 
baby (192.9.200.1)

 Dunno why. Anybody has a clue ?

 I'm using the ipfw (not ./ipfw-for-1.3.10) from ftp.eves.com:/pub/masq.

 (not the version ./ipfw-for-1.3.10 -- doesn't work on ann, but I 
guess the ipfw executable souldn't make a difference ... or does it ?!)

 the cmds are: 
ipfw add m all from exodus/24 to 0.0.0.0/0
ipfw add m all from numbers/24 to 0.0.0.0/0
ipfw add m all from baby/24 to 0.0.0.0/0

e.g. I can do telnet to outside network from exodus or numbers, but not from 
baby.

 When I try telnet from baby, I see the rx/tx lights on the netcard on my 
masq gw (ann) blinking, but the modem lights (PPP connection to the 
outside net) are inactive.

 Could it be routing ?

 on baby I say :

# route add host default ann 1500
add host default: gateway ann

# route
usage: route [ -n ] [ -f ] [ cmd [ net | host ] args ]

 (seems there is no way to display the routing table ...)

baby's ifconfig is :
bash# ./ifconfig le0
le0: flags=63<UP,BROADCAST,NOTRAILERS,RUNNING>
        inet 192.9.200.1 netmask ffffff00 broadcast 192.9.200.0
        ether 8:0:20:6:5f:9e

 OR ! is that necessary that the ipfw gw would be 192.9.200.1 instead of 
192.9.200.20 !?

    Thanx,
       Jan


:r ~/.sig                      http://csclub.uwaterloo.ca/~jvichere
Jan Vicherek               Jan.Vicherek@UWaterloo.Ca, honza@ied.com
ZZ                                "To some, nothing is impossible."
Check out:                         http://www.netresponse.com/zldf/






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