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List:       busybox
Subject:    Re: [Bulk] Re: Wonky Ping (ping don't work)
From:       Chris Plasun <chrispl78 () yahoo ! com>
Date:       2009-04-21 21:53:03
Message-ID: 507198.2067.qm () web58107 ! mail ! re3 ! yahoo ! com
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> > > > Thanks Doug. I'm hoping the issue is with the setup.
> > > > Now need to find PPC versions of these programs. 
> > > 
> > > The configured address on eth0 is definitely a configuration error:
> > > If you use eth1 for connection, eth0 is better be deconfigured and
> > > downed. You need to find out why on every boot up it gets configured
> > > in the first place - is some script uses hardcoded "eth0" somewhere?
> > 
> > Yes, eth0 is down now and everything works. I noticed there's nothing in the 
> routing table.
> > 
> > I figure I should look in /etc/rc.d/rcS?
> 
> No, you need to look what udhcpc script does.

Ah, where is this script? What is rcS?

> Either it is failing to set route, or somehow
> downing eth0 removed the route for eth1 too.
> 
> Test this theory by killing and restarting udhcpc.
> If route is back, then script is ok.

*****I did that and it looks like this problem is solved! ****

I just experimented for 20 minutes and while I don't really understand how 
the IP routing table is used, the internal connectivity problem occurs if :
  - eth0 is up 
  - eth0 subnet mask is the same as eth1
  - eth0 is defined first, above eth1

If eth0 has a different subnet mask then there is no problem.

I systematically reproduce the issue and so it looks like problem is solved! 

Thanks guys!

Where do I send all the beers?

cp

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