*BSD News Article 91532


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From: marat@Glue.umd.edu (Marat Fayzullin)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: 2.2-RELEASE + PLIP = problem
Date: 20 Mar 1997 23:21:17 GMT
Organization: University of Maryland, College Park
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Brian Somers (brian@shift.lan.awfulhak.org) wrote:
: If telnet from the router to the laptop works, it means packets can
: travel both ways.  Try attempting a telnet from the laptop to the
: router and waiting for a long time.  It may be the case that the
Ok, here is what happens:

1. Doing
   ifconfig lp0 <gateway_addr> <laptop_addr> at the gateway
2. Doing
   ifconfig <laptop_addr> <gateway_addr>
   route add default <gateway_addr>
   at the laptop
3. Trying to ping/telnet/etc. gateway from the laptop --> it works
4. Trying to ping/telnet/etc. router from the laptop --> nothing happens
5. Manually adding a route to laptop at the router.
6. Trying to ping/telnet/etc. router from the laptop --> nothing happens
7. Logging onto router and telnetting t laptop --> it works
8. Trying to ping/telnet/etc. router from the laptop --> it works now

Any ideas? At this point I'm almost sure something is wrong in this
sequence. The gateway has two IP addresses: Ethernet and PLIP ones.
All addresses are taken from the same class-C group.

Marat