Manual network configure?

Diamond Jester · n00b Joined: 01 Oct 2004 Posts: 24

My network doesnt autodetect, my ethernet wont even detect without the 2.6 kernel. When I run net-setup DHCP wont configure correctly(it wotn even show up in /sbin/ifconfig) I can manually configure the IP, broadcast and subnet mask, but the gateway and nameserver confuse me. How do I know what I am supposed to have for their values? Thanks

Dracarys · n00b Joined: 17 Jul 2004 Posts: 15 Location: Here

afaik, gateway is usually 255.255.255.0. Nameserver is (I think) the same IP that serves dhcp.
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GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

No. 255.255.255.0 is a certain class's subnet mask.

Your gateway is going to be your router's IP. My IP is 192.168.1.101 and my router's IP is 192.168.1.1 -which is my gateway.

If you've got any kind of home network set up with a router, the router's IP is going to be the gateway IP. Dunno about name servers, though. I don't remember where to get them in the router config. Just call your ISP and ask what DNS servers to use.

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Diamond Jester · n00b Joined: 01 Oct 2004 Posts: 24

255.255.255.0 is my subnet mask, is it also supposed to be the gateway? also where do I find out what the DHCP ip is so I can use it as my nameserver?

GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

Your DHCP IP address is going to be assigned from the router. Well, I'm assuming you have a router. In any case, the name server can be issued by IP, but it's got to be a WAN IP, not a LAN IP.
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Diamond Jester · n00b Joined: 01 Oct 2004 Posts: 24

GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

Do you have a working computer to connect to the router? If so, boot up a windows install or something, check the ipconfig and write down the DNS servers (name servers) then just use those in your static config.

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GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

If you're not getting a connection with DHCP, I hightly doubt static IP settings will get you connected, unless you don't have dhcpcd installed.
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Diamond Jester · n00b Joined: 01 Oct 2004 Posts: 24

Ok im on a working windows install, how exactly do I find the nameserver? I know my ip but I dotn know my WAN ip, where would I find that out?

GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

WAN = Wide Area Network (internet)
LAN = Local Area Network (home network)

Windows98: Start > Run > winipcfg (click the button to show you more information)
windows2000/XP: Start > Run > cmd > ipconfig -all

That should show you your IP configuration.

If you're connected to the router, the router gets the WAN IP and then assigns a LAN IP to all the computers connected to it.
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Diamond Jester · n00b Joined: 01 Oct 2004 Posts: 24

2 more simple questions(thanks youve been extremly helpful

)

1) When my lease on the ip expires do I have to reconfigure it to the new ip?

2) how do I use ping(on say yahoo) to make sure the conenction is working both to and from my computer?

GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

1) With a dynamic setup, your computer will automatically renew the lease when your lease expires. IP leases actually have a half-life, if you will. If you've got a 4 day lease on an IP, your computer will wait until the lease is half over and then go "hey can I keep using this IP?" and the DHCP server will confirm or deny the request, updating your lease date. If you have a six month lease, the computer asks for an update on the IP at three months, etc. In any case, no you do not need to reconfigure anything whether you're running a static or dynamic IP configuration.

2) What system are you trying to ping things on? If it's a windows environment, go into the command prompt and type "ping yahoo.com". If you're in a linux environment, just type "ping -c 4 yahoo.com". Note the space between the "-c" and the "4". The -c arguement basically tells the ping program that you only want to ping a certain number of times. The number 4 tells the ping program that number. :p

If you run "ping yahoo.com" with no arguements, it will ping... and ping... and ping... You'll have to press Control C (the two keys) to get it to stop.

If your computer can ping anything at all, then your computer can send and receive info over the web. Pinging sends out a single packet with a timestamp on it to your destination. If that destination (yahoo.com) is configured to allow ping returns (sometimes you'll ping a server that you *know* is online but it won't reply for security reasons), that server will receive the packet, put a datestamp on it, and send it back. Then your computer datestamps the packet *again* and prints a report of the time it took to go round-trip.

So when you see something like this:

Diamond Jester · n00b Joined: 01 Oct 2004 Posts: 24

>_< ok Thanks. Im not sure exacly what im doing wrong because the host isnt found when i ping yahoo, I must have incorrectly configured something. I separate the nameservers by a comma right? I set up my lan IP my subnet my boradcast my gateway and my nameserver under net-setup. I there another step i forgot?

GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

Well, I told you earlier that if you don't get a DHCP connection, setting static won't help either. It's probably going to be a driver issue with your NIC. Boot from the LiveCD, run "net-setup eth0" (yes that's a zero) and set for DHCP.

ping -c 3 yahoo.com

come back and tell me if it worked or not.

You can also catch me on aim/yahoo/msn/icq if you want.
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Shopro · Posted: Thu Oct 21, 2004 5:27 am Post subject:

Btw, is your network card found at all?
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GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

Shopro · Posted: Thu Oct 21, 2004 5:34 am Post subject:

You always have to start from the bottom

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GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

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Diamond Jester · n00b Joined: 01 Oct 2004 Posts: 24

Thanks GV, I hit you up on ICQ give me a holler when your available

Im new to Linux so tis is difficult for me, but it forces me to learn alot.

DislexiK · Posted: Thu Oct 21, 2004 6:44 am Post subject:

GerminVermin · n00b Joined: 21 Oct 2004 Posts: 54

I'm in Oregon, USA, so don't be surprised if catching me isn't the easiest thing to do. However, I'm usually logged in. I got your message this morning but you had already logged off.
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AmosMutke · Posted: Fri Jan 07, 2005 7:59 am Post subject:

I'm having a similar problem.

I want to connect my linux laptop to a windows network to print on a shared printer using cups. This howto says to install samba, but I don't think it's necessary. is it? If I'm wrong, please correct me and skip reading the rest.

First of all, my network card drivers work fine... Otherwise I couldn't be typing this... I use dhcp at home with no troubles.

/etc/conf.d/net

AmosMutke · Posted: Mon Jan 10, 2005 3:54 am Post subject:

*bump*

OK.. I'll try begging..

***p-p-p-p-pleeeeeease!!!!!

Surely someone must have a suggestion... (and your name doesn't have to be Sherly either... anyone is fine..

)

Chaoslab · Posted: Mon Jan 10, 2005 7:53 am Post subject: Router setup

I hope this is of some help

I recently purchased a new router and it assigns an IP automatically to any machines that connect to it.

So heres what I had to do to get my gentoo box up and running on it.

first edit /etc/conf.d/net

thechris · Veteran Joined: 12 Oct 2003 Posts: 1203

here is the list of todos:
1.) card exists in lspci? -- it should
2.) card exists in ifconfig eth0? -- it should.
3.) another card exists in ifconfig eth1? -- sometimes firewire modules allow networking, and takes the eth0 place...
4.) dhcpcd exists? emerge -pv dhcpcd or look for /sbin/dhcpcd
5.) are you giving dhcpcd time? or are you killing it after 10 seconds?
6.) have you searched bugzilla for bugs involving dhcpcd and/or your card?
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