Date: Tue, 4 Jun 2002 11:46:11 -0400 (EDT) From: Kenneth Culver <culverk@alpha.yumyumyum.org> To: Roman Jasin <cityangels@mac.com> Cc: barbish@a1poweruser.com, <freebsd-questions@FreeBSD.ORG> Subject: Re: connection drops after some time Message-ID: <20020604114556.O13720-100000@alpha.yumyumyum.org> In-Reply-To: <83E51D2E-778B-11D6-8349-00039345B18A@mac.com>
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That could still be a problem if your provider is using ppp over ethernet. Ken On Tue, 4 Jun 2002, Roman Jasin wrote: > Joe, > > Thanks for the thought, but I have RadioDSL connection. I don't use a > modem. I'm plugged in via Ethernet card. > > Thanks tho, > > -Roma > > On Tuesday, June 4, 2002, at 12:30 AM, Joe & Fhe Barbish wrote: > > > Roman > > I think you are headed in the wrong direction. > > You did not state how you are connecting to your ISP. > > If you are using user ppp then you are being cut off by the default time > > limit in /etc/ppp/ppp.conf. > > Change the set timeout option to the following. > > set timeout 0 # no idle time out, will not disconnect > > > > Joe > > > > -----Original Message----- > > From: owner-freebsd-questions@FreeBSD.ORG > > [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Bill Moran > > Sent: Monday, June 03, 2002 4:36 PM > > To: Roman Jasin > > Cc: Chris Fedde; freebsd-questions@FreeBSD.ORG > > Subject: Re: connection drops after some time > > > > Roman Jasin wrote: > >> Thanks Chris, > >> > >> I guess that's what I'll have to do. You wouldn't believe how > >> incompetent some ISPs can be here (Latvia). I probably spend hours on > >> the phone trying to get them to check whether they have a timeout > >> setup. > > > > I feel your pain. I've worked for some people like this, and > > occasionally, > > I've just fixed the problem when the boss' back was turned, despite the > > fact that he had specifically told me not to. :( > > Hopefully, the suggestion I give below will help you fix things. > > As far as the ISPs in Latvia being incompetent, I'm sorry, but there are > > some in the US who are just as bad (if not worse). > > > >> On Monday, June 3, 2002, at 09:34 PM, Chris Fedde wrote: > >> > >>> On Mon, 3 Jun 2002 20:06:39 +0300 Roman Jasin wrote: > >>> +------------------ > >>> | I guess the problem is my ISP, but I'm not sure about that. Plus > >>> those > >>> | guys aren't very helpful, so I'm hoping to fix it w/o them. It > >>> proved to > >>> | be the fastest path in the past. > >>> | > >>> | Here is what happening with my FreeBSD 4.5-STABLE box, running > >>> Apache, > >>> | sshd, and sendmail. It becomes inaccessible from outside world > >>> after > >>> | less than an hour if I'm not doing something on it. As soon as I > >>> access > >>> | something from it, whether via http or simple ping, it comes back > >>> | online and you can see it from the outside. It looks like it > >>> forgets > >>> | ISP's default router address. APM is not an issue simply because > >>> it's > >>> | disabled. I tried everything, even replacing the NIC and the box > >>> itself. > >>> | I'm on RadioDSL with BreezeAccess antenna, and like I said I don't > >>> have > >>> | problems with the accessing Internet. The problem is that the > >>> outside > >>> | world can't 'see' my server if I don't access the Internet from it > >>> for a > >>> | while. > >>> | Hope it makes sense. > >>> | > >>> | Any help is very appreciated, > >>> +------------------ > > > > I worked for an ISP for a while that had the same problem with his > > servers. > > It turned out that the recycled old switching hub that he was using had > > an > > option to protect the network from broadcast storms and other broadcast > > traffic attacks. Unfortunately, the method it used was to calculate the > > percentage of traffic that was broadcast, and when that percentage got > > too > > high, temporarily disconnect the machines receiving the broadcasts from > > the > > network. This resulted in the machines being disconnected during slow > > times > > when the only network traffic was Windows NetBIOS broadcasts. Luckily, > > the > > hub had an option to turn this "feature" off. > > You didn't specify your network and other hadware setup. This may be > > something > > on your end, or it may be the ISPs hardware. If the latter, you may > > have > > trouble getting it handled if the ISP is as tough to work with as you > > claim. > > > >>> An obvious work around is to put something that tickles the net into > >>> crontab: > >>> > >>> */20 * * * * ping -c 3 www.myisp.com > /dev/null 2>&1 > >>> > >>> But that does not address the "real" problem. I suspect that it is a > >>> policy issue on the ISP or layer2 provider that is timing out your DSL > >>> virtual circuit. > > > > We used this solution for some time. It seemed like an unholy hack of a > > half-a$$ed solution, but it worked. > > > > -- > > Bill Moran > > Potential Technology > > http://www.potentialtech.com > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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