From owner-freebsd-questions  Sun Aug 15  3:12: 7 1999
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Date: Sun, 15 Aug 1999 12:08:39 +0100
From: Cillian Sharkey <cillian@baker.ie>
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To: john holland <johnbsd@yahoo.com>
Cc: freebsd-questions@freebsd.org
Subject: Re: routing table/natd problem upon ISP disconnect
References: <19990815043728.11909.rocketmail@web1105.mail.yahoo.com>
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> I found when setting up natd to "IP masquerade" a
> local net to the internet through a modem that, when
> the modem link went down and I brought it back up, the
> routing table acted strangely and I ended up having to
> reboot.
> 
> the symptoms were:
> 
> netstat -r would hang with just the header -
> if I deleted the default route to the Internet through
> tun0, netstat -r worked fine

netstat -r will try and resolve each address to a name
which can cause it to "hang" if using DNS to do the lookup
if you use netstat -rn instead it will just report the addresses
as opposed to their names
 
> I couldn't ping the ISP successfully, let alone a host
> on the Net. I could see that it was trying to though
> as the transmit light on the modem was blinking with
> the pings.

which host did you ping from and did it return any error messages ?

Regards,
- Cillian


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