[ILUG] Re: new ethernet network

[o gorman gavin john]

Hey, OK well when i was setting up a network i was unable to get them to
connect using the 192.168.0 ip as in i changed it to 192.168.1 and it
worked fine.

Hope this is a help
Gav


On Sun, 3 Oct 1999, Vincent Murphy wrote:

> = Vincent Murphy <theDon at cs.ucc.ie> [19991003 2015]:
> [snip..]
> > ..  for now i'd like to verify that the
> > ethernet works, and if it does try something else.
> 
>  i think i've managed to verify that the ethernet is working.  i installed
> tcpdump on the debian box, and did the following:
> 
> time   action
> ----   ------
> 22:10  on 192.168.0.100 (linux box):   `ping -c4 192.168.0.200'
> 22:11  on 192.168.0.200 (windows box): `ping 192.168.0.100'
> 
>  here's the tcpdump output (from the linux box):
> 
> 22:10:23.866358 arp who-has 192.168.0.200 tell 192.168.0.100
> 22:10:24.859897 arp who-has 192.168.0.200 tell 192.168.0.100
> 22:10:25.859892 arp who-has 192.168.0.200 tell 192.168.0.100
> 22:10:26.860284 arp who-has 192.168.0.200 tell 192.168.0.100
> 22:10:27.859883 arp who-has 192.168.0.200 tell 192.168.0.100
> 22:10:28.859882 arp who-has 192.168.0.200 tell 192.168.0.100
> 22:11:14.534281 arp who-has 192.168.0.100 tell 192.168.0.200
> 22:11:14.534379 arp reply 192.168.0.100 is-at 0:60:8c:f4:d4:8d
> 22:11:15.909922 arp who-has 192.168.0.100 tell 192.168.0.200
> 22:11:15.909974 arp reply 192.168.0.100 is-at 0:60:8c:f4:d4:8d
> 22:11:17.409346 arp who-has 192.168.0.100 tell 192.168.0.200
> 22:11:17.409400 arp reply 192.168.0.100 is-at 0:60:8c:f4:d4:8d
> 22:11:18.909081 arp who-has 192.168.0.100 tell 192.168.0.200
> 22:11:18.909133 arp reply 192.168.0.100 is-at 0:60:8c:f4:d4:8d
> 
> >  should i try a crossover cable between the two NICs?
> 
>  i no longer intend on doing this, given what tcpdump told me.
> 
>  as yet, i still can't get these machines to ping each other, so i'm still
> looking for help, except now my problem is narrowed down a bit i hope.
> perhaps there's a problem with arp, but i haven't a clue how that works,
> i just know that it's used for resolving ip addresses to ethernet addresses.
> 
> -vinny <hunting for arp docs>
> 
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