http://www.practicallynetworked.com/support/linksys_router_help.htm#@Home
Google.com <<< its your friend.. Bookmark it -----Original Message----- From: Todd Zashin [mailto:[EMAIL PROTECTED]] Sent: Friday, November 02, 2001 2:19 PM To: [EMAIL PROTECTED] Subject: [expert] cable modem question I saw some communication regarding cable modems and I wanted to chime in with a question I have. Please give me some leniency as I know this is not directly Linux Mandrake but you guys always have the best answers so I thought I would quickly ask. I have a friend who wants to use AT HOME to share his Internet Connection between two PCs thats it. He wants both PCs to use the Internet at the same time with one AT HOME connection. I told him he could do this via a Linksys EtherFast Cable Dsl Router 4 port. My other buddy tells me that there is no way that this is possible because the way our cable company has the internet service setup. The AT HOME service assigns you a computer name that you must enter on your PC. So, my buddy says there is no way you can share the connection because how are you going to have the router know the computer name. My answer to him was DHCP. Dynamic Host Configuration Protocol. That you could make the Linksys box get the IP from the Modem and then send that information onto the client. Well here is where I get messed up in my theory. The cable modem service is only going to allow one login right? I mean you can only allow one computer name and IP per connection or you will have a conflict correct on a network? So, how does the Linksys router authenticate to the Cable Modem Service and still allow the clients to share the connection. DHCPbroadcasting? Forwarding? What am I missing here? There is a piece in the logic that I am missing. Thanks for your help. Thrashin -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Dave Sherman Sent: Monday, October 08, 2001 5:59 AM To: [EMAIL PROTECTED] Subject: Re: [expert] LM8.1, DHCP & Cable connection, Cache DNS -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Monday 08 October 2001 02:24 am, Frederic Soulier wrote: > Hi > > I got a cable connection, everytime the network is started or > restarted I end up with /etc/resolv.conf being overwriten with > the 2 DNS server IP address of my cable ISP. > > It works fine but the pbm is that I have a cache DNS setup on > my server and therefore in my /etc/resolv.conf I want my server > to look 1st in the cache before going to the ISP DNS. > Unfortunately, if I change /etc/resolv.conf it will get overwritten > the next time the network service start. > > Any idea on how I could make my changes permanent > in /etc/resolv.conf ? This may depend on how your cable modem works: is it a bridge or a router? If it is a router, then it is probably also running a small dhcp server for you, and assigning your DNS addresses for you, thus overwriting your existing resolv.conf. You can either reconfigure your cable modem/router's dhcp server to add your own caching dns server, or turn off the dhcp server completely, and either run your own Linux dhcp server (that's what I do with DSL) or assign all IPs and whatnot statically. If it is a bridge (most likely, from what I have seen), then your ISP is probably doing your dhcp at their end. In this case, I don't know if you can do anything, since you need to get your config from them in order to work on their network. Dave - -- 7:54am up 2 days, 15:33, 1 user, load average: 0.18, 0.14, 0.10 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE7waMHA68l26XsZUYRAnPWAKCH5+rcFk7E0DFayx+++Qdzj0GIzgCgix6f vwyIW3vniV3zvnuQDM1SY3s= =NRzv -----END PGP SIGNATURE-----
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