Date: Fri, 13 Oct 2000 09:09:28 -0700 (PDT) From: Peter Jones <pjones@pmade.org> To: FreeBSD Questions <FreeBSD-Questions@FreeBSD.ORG> Subject: Re: Cable modem ISP keeps timing out Message-ID: <Pine.BSF.4.21.0010130906240.99618-100000@pmade.org> In-Reply-To: <4.3.2.7.0.20001013090407.00b1b810@mail.johnturner.com>
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I had to give my MAC address to my ADSL ISP as well to keep the connection alive. After some timeout the connection would drop, but in my case, a little outbound traffic and it came back up. They put an arp entry somewhere and now the connection does not timeout. On Fri, 13 Oct 2000, John Turner wrote: > > RoadRunner uses DHCP. Their terms of service do not allow a dedicated IP > (unless you pay extra, I think the extra package is called "Home > Networking"). > > I have RoadRunner, my firewall is FreeBSD 3.4 RELEASE. My external > interface is configured using dhcp in rc.conf, and it works fine. When I > first hooked the firewall up, after I moved, I experienced the same > problems you're having. The solution for me was to call them and add the > MAC address for my firewall's external NIC to their database. They use the > MAC to determine if a certain NIC is allowed to access their network. They > allow up to 3 different MAC addresses per account. Previously, the only > MAC they had on file was the one for my laptop (which was all I had when > the guy did the install). > > So, a default RoadRunner setup needs DHCP, and the MAC for your NIC needs > to be in their database (max of 3 MACs). Make sure > "ifconfig_external-NIC=DHCP" is in your rc.conf file. > > As a temporary fix, before I discovered their rule about MAC addresses, was > for me to do > > bash# ifconfig external-interface-name down > bash# ifconfig external-interface-name up > > A shutdown or reboot isn't necessary. However, this got tedious after > awhile, so I researched and found the MAC restriction at > http://help.rr.com. I've seen other posts saying that the MAC addresses > don't matter with RoadRunner, and perhaps this is the case in some > locations in the US. For me, however, over MediaOne cable in Michigan, the > MAC address most definitely makes a difference, and DHCP is most definitely > used (as of October 9, 2000). If you're looking for a dedicated IP, you > will have to pay extra (if it's even available). > > HTH > > - John Turner > > At 07:58 AM 10/13/2000 -0500, Doug Poland wrote: > >Content-Transfer-Encoding: 7bit > > > >Gurus, > > > >Two or three times a day I will lose my > >"connection" to the outside world with > >RoadRunner cable service. I can ping > >my NIC and cable modem but nothing else. > > > >I can "reset" by doing a shutdown <ctrl> d > >Then I get the same IP address, netmask > >(I think), and DNS's. Then connectivity > >is back. > > > >So I have two questions: > > > >1. How can I re-establish connectivity > >without re-booting. I've tried > > > > # dhclient ed0 > > > >but I lose the IP address I did have and > >returns an error message (sorry can't recall > >it right now). So I end up rebooting. > > > >2. I'd like to know what is going on so I > >can start complaining to my cable ISP. It's > >mildly inconvenient when I'm at home and can > >work on the console of the gateway. When > >I'm working away from home, it's a real > >hassle. > > > > > >Regards, > >Doug > > > > > >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 > -- ....................................................................... : Peter Jones : Unix Geek - Four Wheeling : : pjones@pmade.org : Code Writing - Jesus Freak : :....................................:................................: :echo er|perl -0160 -pe ';$;=ord$/;s;^;"\U$/".chr($\;-11).chr$\;+4;e;': :.....................................................................: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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