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Date:      Sat, 14 Aug 1999 21:37:28 -0700 (PDT)
From:      john holland <johnbsd@yahoo.com>
To:        freebsd-questions@freebsd.org
Subject:   routing table/natd problem upon ISP disconnect
Message-ID:  <19990815043728.11909.rocketmail@web1105.mail.yahoo.com>

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Hello -
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

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.

the internal 192.168 net was fine through all of this.
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