Very Computer

by **Roy Murp** » Thu, 24 Sep 1998 04:00:00

From time to time, when I dial my ISP, I am unable to reach any hosts.
ifconfig shows the ppp0 interface up, but route (and netstat -r) hangs
after printing the titles of the chart. Paradoxically, cat
/proc/net/route gives a normal looking result. The system is Red Hat
4.2. The only solution I have found is to repeatedly redial until route
is OK. Any insights are gratefully appreciated.

--
Roy Murphy \ CSpice -- A mailing list for Clergy Spouses

by **Vincent Zweij** » Thu, 24 Sep 1998 04:00:00

|| From time to time, when I dial my ISP, I am unable to reach any hosts.
|| ifconfig shows the ppp0 interface up, but route (and netstat -r) hangs
|| after printing the titles of the chart. Paradoxically, cat
|| /proc/net/route gives a normal looking result. The system is Red Hat
|| 4.2. The only solution I have found is to repeatedly redial until route
|| is OK. Any insights are gratefully appreciated.

Look for a problem with your DNS. The hang is probably because route
is waiting for reverse DNS lookups to time out. Make sure your name
server(s) are configured correctly. Maybe it depends on the dynamic
addess you get.

Ciao. Vincent.
--

<http://www.xs4all.nl/~zweije/> | don't read, does anybody get burnt?"
[Xhost should be taken out and shot] | -- Paul Tomblin on a.s.r.

by **James Youngm** » Thu, 24 Sep 1998 04:00:00

> From time to time, when I dial my ISP, I am unable to reach any
> hosts. ifconfig shows the ppp0 interface up, but route (and netstat
> -r) hangs after printing the titles of the chart. Paradoxically,
> cat /proc/net/route gives a normal looking result. The system is
> Red Hat 4.2. The only solution I have found is to repeatedly redial
> until route is OK. Any insights are gratefully appreciated.

This is because name resolution isn't working ("/sbin/route -n" will
not hang either). Fix /etc/resolv.conf.

--

by **Roy Murp** » Fri, 25 Sep 1998 04:00:00

Quote:
>Look for a problem with your DNS. The hang is probably because route
>is waiting for reverse DNS lookups to time out. Make sure your name
>server(s) are configured correctly. Maybe it depends on the dynamic

Thanks for the reply ( and thanks to those who replied privately).
I'm beggining to suspect that the ISP's nameserver is either
going down or becoming unreachable from the POP on an intermittent
basis. The suggestion that I got in private mail was to traceroute
the nameserver the next time it happens. I should be able to tell if
it's the name server or the route to it.

--
Roy Murphy \ CSpice -- A mailing list for Clergy Spouses

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