Ubuntu Networking :: Configure Static IP - Use Of 'network'?
Apr 15, 2011
I'm setting up a home webserver with Ubuntu 10.10 and want to configure the interface to static. I'm using a router, which is setup and working correctly. I have been using linux workstation with dhcp for some time.
I've edited my interfaces file to reflect the parameters for setting static ip, with the exception of 'network'. No matter what I put into this setting, it causes me to loose connectivity to the outside world. I've tried to put my router IP, and my IP set by my provider. What should the 'network' value be?
At this time, my 'interfaces' files only includes the following and has connectivity out to the internet:
Code:
Do I need the 'network' settings as shown in every tutorial (but never explained)?
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Jan 24, 2010
I was trying to configure a static Ip on openSUSE but didn't get very far...I would like to do it through the terminal.
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May 19, 2010
I've looked everywhere and tried everything. All I want to do is set up a static ip with my wireless network interface wlan0.
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Aug 25, 2010
In configuring static routing between two different subnets.
I have two different subnets as mentioned below:
I have a linux machine with two NICs on which i would like to configure static routing. details of the NICs are as mentioned below:
I have configured the gateway as 10.77.77.1 on machines which fall under 10.77.77.0/24 subnet and 172.16.40.1 on 172.16.40.0/24 machines.
My main motive here is i want communication to happen between both the subnets.
If the following modifications to route-eth0 and route-eth1.
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Jun 15, 2010
v10.4 {I have completely re-edited this thread because I have started over fresh. I am no longer using bind9, but now using the installation-defaults nameserver and dhcp and trying to get a handle on how things ought to be setup properly. My previous attempts was a disaster.}
Coming fresh out of a newly installed 10.4, I obviously was able to get network connectivity but then I ran into trouble the minute that I tried to change eth0/eth1 connections via network-manager's applet. What I found was, that when I attempted to define static connections, all bets were off. It seems that once one attempts to change eth0/eth1 which are wired devices, I was no longer able to recover my network connectivity!
I was however able to setup a wireless connection, so in this way I was able to get back network (and Internet) connectivity, and write this thread on this forum. I notice also, that there is no longer 'Networks' in the System->Administration menus! Geez, what the hell is going on? how to properly configure my static wired connection? Networks in 10.4 have really changed alot!
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Sep 13, 2010
I am using Debian 4 bigmem and I set up static ip for my box. This is for a class and we will be moving the hard drives around the lab to different computers. My question is what do I configure to get Debian to be ok with my using different nics at different times. My first time I used it, I had eth0, but now I'm on a different computer (same type of hardware on all systems) but my nic is now eth1... And I had to set up static again for that nic. How can I have it just maintain a static ip for whatever nic/mac address on the computer that my hard drive happens to be put on?
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Jan 12, 2009
In 8.04 I can use the network manager app to set a static IP.
In 8.1 the network manager doesn't seem to work. I tried many different permutations of settings and got nowhere. Even though I put in IP subnet and gateway it still does the DHCP config.
So I added lines to my /etc/networking/interfaces file like this:
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.168.0.100
netmask 255.255.255.0
gateway 192.168.0.1
I then either reboot or do this: sudo /etc/init.d/networking restart
This made the network manager icon in the top panel vanish. An ifconfig showed that those settings are in place but DNS doesn't seem to be working. I can ping other hosts on my network by IP but not www.yahoo.com etc.
I even read the man, that's how desperate I got! (a config like the above seems to work on my 8.04 machine except that the auto eth0 appears at the end of the file.)
I didn't see how to set the DNS server(s), unless I was in the wrong man.
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Aug 27, 2010
I am trying to secure my LAN a little by doing static arp entries. But I am not sure how to go about doing this... I have a gateway, and I have a seperate box that runs dhcpd. I would like to assign every machine an ip and only allow it to use that ip, therefore static dhcp entries, and static arp entries on the gateway.
1. But how do I prevent someone from picking an ip that nobody is using and assigning it manually?
2. I assigned a static arp entry by doing arp -i br0 -s 2.2.2.35 00:1F:E1:CC:2E:46, how do I remove it now? I used arp -d but now it just says:
? (2.2.2.84) at <incomplete> on br0
3. I would also like each machine to have a hostname/dns.. like machinex.local, where I can do forward and reverse dns lookups, how do I config this?
4. I know static arp can be fooled if someone just clones an allow mac.. is there anything else that I could use that is more secure for wired lan?
5. I have my gateway running rflow sending all data to ntop running on my dhcp box.. Ntop is kinda cryptic, is there anything easier to use? or something that is better in features? I would like to see how much bandwidth each local ip is using and possibly what protocols, like ntop already shows.
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Aug 16, 2010
I have a fresh install of Centos 5.x and I'm having issues on setting up the network...i know i have to edit/etc/sysconfig/network-script/ifcfg-eth0 and create an ifcfg-eth0:0 right?im just having issues getting everything setup correctly.my network setup:Router IP: 192.168.2.1IPs on network: 192.168.2.xNetmask: 255.255.255.0
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Mar 15, 2010
I want my Ubuntu desktop to have a static ip-address, i have altered the interfaces file to the below and also filled the info regarding my wireless network card but still every time I reboot the desktop gets the ip 10.42.43.1, HOW is that possible???
I use a apple time capsule router, I want my desktop to run a apache server thats why I need the static ip. I also want the static ip to be set on the wireless network interface. I have an old laptop with an internal Intel pro 2200 card so there should not be a driver problem.
This i my interfaces config code...
To be on the sure side to get this to work I have configured my router(DHCP) to give my wireless-HWaddress the ip of 10.0.1.15, STILL the ubuntu desktop starts with the false address above.
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Jun 3, 2010
I wanted to have a static local IP on my server,But on my 192*.168.1.1, there's a place where ic an see all devices, and before, the displayed name was "STASH" and with the update i put, it'S now "--", but i'd like to keep my old one..
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Jul 3, 2011
I want to set up a static IP on my laptop that connects via wireless to my home network. I have 11.04 installed on my laptop. When I try to use the manual IPv4 setting in the network manager the save option gets greyed out. I tried to edit the /etc/network/interfaces file but all the examples I could find on the net refer to eth0. I tried replacing this with wlan0 but this did not work. I tried installing wicd but I kept getting "Bad Password" errors even though I know the password is correct. A number of people recommended uninstalling network manager to get wicd to work but many other posts said that uninstalling network manager didn't help so I didn't want to go ahead and uninstall unnecessarily. Besides I figure if Ubuntu is distributed with network manager there must be a reason for having it. So what do I do to get a static IP address for the client on a wireless connection?
1. I went to network manager and selected "Connection Information" On the information window I saw the following:
IPv4
IP Address: 192.168.1.6 (This is the item I wanted to change and make static)
Broadcast Address: 192.168.1.255
Subnet Mask: 255.255.255.0
[code].....
2. I went to network manager and selected "Edit Connections"
3. I selected the wireless tab and then the wireless network I wanted to edit
4. I clicked on the edit button and then I clicked on the IPv4 settings tab.
5. I changed method from Automatic (DHCP) to Manual
[code]....
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May 19, 2009
I am running 2.6.27.21:170.256.fc10.i686 on my laptop.
I am trying to connect to a network at a university in China right now and I cannot figure out how to connect.
IP: 192.168.213.179
subnet mask: 255.255.255.0
default gateway: 192.168.213.1
DNS: 202.202.96.33
DNS: 61.128.128.74
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Oct 27, 2009
I'm having strange difficulties in setting a static ip for my CentOS 5.4 installation. If I use DHCP everything is fine, but with a static ip I have no network connectivity. I have done this many times with RedHat/Fedora/Ubuntu etc. with no problems and now I have no idea what I'm missing or doing wrong. I have tried to set ip as 192.168.1.20 (anything below .100 will do). GW is 192.168.1.1 and NM is 255.255.255.0. This is all I have had to use with other distros, but now when I set these I cannot even access my routers admin page or ping it (192.168.1.1). (I just did this with Vista on my other machine and all worked fine).
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Jul 13, 2010
I'm using ubuntu server 10.04. I need to create a second network to do some testing. Here's what it looks like so far: WAN > x.x.x.x/9 > router > 192.168.1.0/24 > LAN
I need to do this: WAN > x.x.x.x/9 > router > 192.168.1.0/24 > LAN > ubuntu server (LAMP, dhcp, dns via eth1) [eth0 192.168.1.138] > ubuntu server [eth1 10.0.0.1] The two networks should be transparent to one another. I've got everything working, except routing. Here is ifconfig:
[Code]...
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Sep 17, 2010
My /etc/hostname is not announced on the local network (not showing up on my Mac nor router) when setting /etc/network/interfaces to:
Code:
iface eth0 inet static
address10.0.0.10
netmask255.255.255.0
gateway10.0.0.1
I have tried bringing the interface up and down, and have also rebooted. If I change it to DHCP it will display, but this does not really help me.
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Feb 18, 2011
I need static networking to be functional on F14 to try freeipa....the problem I have is I am unable to get eth0 to start. Knowing the software it has to be eth0 or it will likely not work... The guest is in a RHEV6svr environment... So I have disabled NetworkManager and enabled networ and set manula settings in ifcfg-eth0 incl the hware address but eth0 wont start on boot....
next I tried setting a e1000 network card after the hypervisor default didnt work, only to find that this doesnt work either. The MAC addresses are changing as I try and fault find a dead DNS client issue (yet another F14 issue but lets not go there yet, it could be RHEV's "funky" NATing setup)....so I suspect F14 has got its knickers in a twist over the MAC for ETH0....I keep changing it and I suspect it cant keep up.....so I need to disable the automatic function(s), if there is one....
So somewhere down in the code there is probably a line saying eth0= <mac address> but despite greping I cant find that.....or not something that I edit and it then works.... I have tried the gui tools and command line tools and I still have no network..... So what would be a totally CLI process to fix this automated crap? ie stop F14 pointing at the wrong MAC for eth0?
[code]....
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Apr 19, 2010
I decided to take the plunge and change the existing static ip configuration for my home network to a dynamic (DHCP) configuration. The DHCP server in this new network config is my gt701-wg actiontec DSL modem.
[Code]....
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Oct 27, 2010
I want my netbook to connect automatically to both the office wired/static network and to the usual wired/DHCP networks.
wicd is wicked but netsearching hasn't revealed how to configure it for both wired/static and wired/DHCP except by manually switching profiles.
wicd's profiles can use pre/post(dis)connect scripts but I don't know how to integrate them into wicd when they are upping/downing connections on cable (un)plugging.
If it is not practical to solve this within wicd, I'll explore standalone scripts to configure eth0 on cable (un)plugging, as detected by ifplugd.
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Apr 29, 2011
Our F14 server is looses access to the network once we set a static IP.The same IP, if used on any other pc works fine.We had the same exact setup in our F10 server also.
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Jan 27, 2010
I've been using slackware for many years. I think I started with Slack 8. I know how to configure the network, I've had this same POS Dell computer for a few years now but the other day I tried to go to a different distro (first mistake) everything worked fine but it was not for me. Once you go slack you never go back! Anyway I had slack on here prior to the change and it all worked fine. I'm running slack 13 and all of a sudden my network is slow as balls! I set it up as I always have so I did some research and tried a few things, nothing worked. So i enabled DHCP and its fine now.. I have a dell xps 420. onboard intel nic. worked fine when i first installed slack 13. Anyone have any clue what to do? I would like my static IP on this machine.
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May 26, 2009
I am having a problem with when I bind a static IP to my NIC I loose all network connectivity but, if i leave it set to dhcp it works fine. I've gone over all my settings a thousand times and they are all correct. Has anyone else had this problem or give me a hint as to what the problem might be?
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May 10, 2010
I'm trying to install CentOS 5.4 from my local repo, booting the server from centos54-netinstall iso (vmware). I write "linux URL..." during boot. I eventually get prompted for network config, where I choose manual configuration. Hitting OK ignores my config and defaults back to dhcp, which won't work since I don't have any dhcp server available.Whats wrong? Is there a bug in anaconda?
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Jan 27, 2010
I recently installed fedora 12 in my server where I had a page published in my local net by tomcat, and I was looking on the Internet how to set up an static ip address and this is what I did
on /etc/sysconfig/network-scripts/ifcfg-eth0
# Broadcom Corporation NetXtreme BCM5751 Gigabit Ethernet PCI Express
#
# File: ifcfg-eth0
[code]....
then I can access via ssh by two addresses the one I got from dhcp (10.17.148.223) and the static one (10.17.148.26) I put ifconfig and and 10.17.148.223 appear on eth0 I restart my server and I just can access from 10.17.148.223 I have to put
ifdown eth0
ifup eth0
Again...to access by my static ip, y can access my page by its dns on my server, but I cant access from other computer...so, I guess when my static adress appears on ifconfig I would be able to access my page from other computer...
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Oct 5, 2010
I have a server that is on both a standard network and a virtual network, as follows: server1 attached to standard network server1 acting as Dom0 with two linux DomU guests (under Xen) I only have one network card. How do I configure server1 to have a different hostname on the standard network than on the virtual network? Here are the relevant network configuration files for server1:
/etc/sysconfig/network-scripts/ifcfg-eth0:1
DEVICE=eth0:1
BOOTPROTO=none
NETMASK=255.255.255.0
IPADDR=192.168.122.9
[Code]...
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Aug 30, 2010
today I tried to configure a network route to a host for testing my network interface. Code: route add 192.168.1.15 eth0 As I have to eth interfaces and both interface got their IP from DHCP (192.168.1.11 and 192.168.1.12) and are in the same subnet, I shut the other interface down:
Code: ifconfig eth1 down Then I tried to test the interface by doing a ping to 192.168.1.15.
Problem: When I unplug the cable from eth0 (and eth1 is still plugged) the ping still works. Somehow my linux (it's debian) powers up again eth0 and pings over this port.
How can I stop my linux doing this. I just want to have the route added only on the one interface - not the other. Is it maybe some case of a default-gateway?
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Feb 16, 2011
I'm having mysterious wired network problem with my Karmic/9.10 machine. It hasn't been in network a while, but now I finally got the cabling done. I can't get the IP from dhcp server (TW-EA510), and static settings doesn't work either. Fresh cabling showed OK 1Gb connection on tester, and win7 laptop works fine. I even tried with long cable though the rooms, but it doesn't help, so it definately isn't the new cabling.
Log from the router after issuing #"dhclient":
Feb 16 23:01:43 DHCP SERVER: DHCPDISCOVER from 00:01:29:fb:c5:d1 via br0
Feb 16 23:01:43 DHCP SERVER: DHCP offer to 00:01:29:fb:c5:d1
Feb 16 23:01:49 DHCP SERVER: DHCP request from 00:1b:ea:c8:a0:ba
Feb 16 23:01:49 DHCP SERVER: DHCP ack to 00:1b:ea:c8:a0:ba
Feb 16 23:01:54 DHCP SERVER: DHCPDISCOVER from 00:01:29:fb:c5:d1 via br0
Feb 16 23:01:54 DHCP SERVER: DHCP offer to 00:01:29:fb:c5:d1
Feb 16 23:02:03 DHCP SERVER: DHCPDISCOVER from 00:01:29:fb:c5:d1 via br0
[Code]....
Motherboard is some old Lanparty with two ethernet ports, NVidia CK804 and Marvell 88E800 rev 13 Gigabit netwok adapters, neither of them works. At least another of them has been worked earlier when I last got it wired. It's been a while, so I'm not sure which one of them and with different router if that matters.
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Apr 26, 2010
is it possible to configure one static ip such as 203...... and then 192....
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Jan 22, 2010
I am currently using transmisson on ubuntu 9.10 however want to switch over to Utorrent using wine to get more options as rss feeds etc.. I will still use transmission some aswell.
I want to see if there is a guide on how to configure a static IP address on karmic?
I have found the following how to on port forward (my router WNDR3300 for utorrent) [URL]..but this pertains to using windows and not linux. I am also a linux noobie.
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Apr 3, 2011
I am trying to establish a static IP address using the instructions I found at:I cannot find this file in Fedora 14:Code:/etc/sysconfig/network-scripts/ifcfg-Auto_eth0
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