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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!msuinfo!gmi!zombie.ncsc.mil!MathWorks.Com!europa.eng.gtefsd.com!howland.reston.ans.net!math.ohio-state.edu!jussieu.fr!news-rocq.inria.fr!univ-lyon1.fr!ipgaix!not-for-mail From: peppe@ipgaix.unipg.it (G. Vitillaro) Newsgroups: comp.os.386bsd.questions Subject: FreeBSD 1.1.5.1 slip and Cisco CS-500 Date: 26 Sep 1994 19:53:46 +0100 Organization: Centro di Calcolo - Universita' di Perugia Lines: 54 Message-ID: <3675bq$ajf@ipgaix.unipg.it> NNTP-Posting-Host: ipgaix.unipg.it X-Newsreader: NN version 6.5.0 #1 (NOV) I'm trying to setup a slip connection (well actually a cslip connection) between my home FreeBSD 1.1.5.1 and a Cisco CS-500 terminal server. I know slip/cslip work on the Cisco because I got it running perfectly from Trumpet WinSock. What I do is roughly: 1) attach slip port slattach -h -c -z -r/usr/ppp/dial -s38400 /dev/cua01 where /dev/cua01 is my COM2 dialout port (with a 16550A UART) and /usr/ppp/dial is my terminal server dial script. I regularly got the slattach message that sl0 is connected at 38400 on cua01. I have two sl interfaces defined in my kernel. 2) config the interface ifconfig sl0 inet 141.250.100.1 141.250.1.33 netmask 255.255.255.0 ifconfig sl0 up route add default 141.250.1.33 note that the "destination address" is not on the same subnet (the Cisco async interface is "unnumbered"): they are different subnets 1 and 100 of our 141.250 class B net. On both sides the MTU is defined as 296. At this point "netstat -in" and "netstat -rn" show a correctly defined situation and also "ifconfig sl0" looks good, but, guess ... it doesn't work. When I try to ping the gateway 141.250.1.33 packets flow into the modem, but nothing come back (tcpdump fully confirm this fact). I tried many variations of slip/cslip routing always with the same result. The problem maybe may come from the "ip unnumbered" interface? Note that FreeBSD PPP perfectly works with the same hw/sw configuration. Any ideas or clue? Thank in advance, Peppe. -- Giuseppe Vitillaro - IBM SEMEA | E-Mail : peppe@unipg.it University of Perugia Italy | 06124 Perugia Phone:+39.75.585-2799 --------------------------------------------------------------------------- All comments/opinions are mine and don't represent those of IBM