Squid, FreeBSD, Multilink PPP

[Mark]

Do you have a cache dns server running on your system, if not
start one add it to the resolve.conf pluse the upstream dns servers
then ## out the enable dns in the ppp.conf (you'll lose the ref to yours
in the resolv.conf each time you  reconnect if you don't).

SOunds to me squid is looking for a dns server that is not there, and waits for a time out.


On Wed, Jun 30, 2004 at 01:39:23PM +0100, Brian Somers wrote:
> On Wed, 30 Jun 2004 12:43:14 +0300, Gregory Edigarov <greg at profi.kharkov.ua> wrote:
> > Hello,
> > 
> > I have Squid-2.5 running on FreeBSD 5-Current. We have 2 ppp links,
> > and use them in multilink mode, through userlevel ppp.
> > If one or both links fail and then come up, say, if I just turn the
> > modem power off and on all the  web browsing becomes very slow
> > squid.
> > It takes forever for squid to show a page which, in a normal
> > conditions, would take only a few seconds. Pings to those sites I am
> > trying to open are just fine.
> > Taking squid down and then up have no effect. The only thing help is
> > rebooting
> > the whole system.
> > 
> > Is there anything I can do?
> 
> How does ppp deal with the link loss - does it notice immediately ?  I
> would expect very little latency if it does as it should be able to just
> trash the existing queued data and continue using the other link.
> 
> I guess other connections suffer the same problems -- it's not just squid ?
> 
> It might be interesting doing a ``show mp'' or ``show bundle'' to determine
> what sort of packet queuing and reassembly is happening after the link is
> lost.
> 
> If the queues are large, you might get slightly better performance by
> reducing the links mtu (set mtu max), but really, things should recover
> ok even with a ~1500 MTU.
> 
> -- 
> Brian <brian at Awfulhak.org>                        <brian@[uk.]FreeBSD.org>
>       <http://www.Awfulhak.org>                   <brian@[uk.]OpenBSD.org>
> Don't _EVER_ lose your sense of humour !
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