Debian :: VM Unable To Get IP Address From DHCP

Nov 29, 2010

I have a Debian VM on Windows that is not getting an IP address assigned by the DHCP. I tried, ifdown eth0 and then ifup eth0 and still no IP address. my interfaces file looks like this:

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface

[code]....

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Ubuntu Networking :: Unable To Get DHCP To Assign IP Address

Mar 22, 2010

I'm using Ubuntu 9.10, and I want DHCP to assign an IP address automatically. I can ping my router, and get a reply. I just have no idea how to do this.I'm trying to get my Ubuntu machine onto my Windows network.

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OpenSUSE Network :: Unable To Acquire IP Address Over DHCP With Ipheth Driver In 11.4 X86_64?

Jun 14, 2011

Although Im using SuSE since 7.2 this is my first forum post here. I just plugged in my iPhone with USB and 11.4 created an eth1 interface for the iPhone and also loads the ipheth kernel module. Anyhow I am not able to acquire an IP address using DHCP. The iPhone OS is 4.2.1 and its an iPhone 3G 8GB black

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Debian :: Block A Router From Giving Me A Dhcp Address

Aug 18, 2011

I get assigned an IP from the university's server. Every now and then, a student will plug in his router to the network trying to get wifi in his/her room.

And by doing so will start assigning IPs on the network, while rendering useless the university dhcp server, which has to cope with a higher number of pc's.

How can I specify to dhclient (or the linux system in general) NOT TO obtain IP addresses given by a specific mac address ?

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Debian Configuration :: Use Specific Address For Dhcp Server?

Apr 27, 2011

I'm running gnome desktop on squeeze system. When I boot my system seems to be using my internet modem as its dhcp server. The rest of the machines on my lan are correctly using my router for that purpose. As a result, what happens then is that my debian machine frequently gets a duplicate ip address assigned to it. I would like to specify to my debian computer that I want it to use the specific fixed ip address of my router for dhcp purposes.

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Networking :: Configure A (openSUSE) Client To Dhcp To EBox DHCP Server - Lease An IP Address

Mar 25, 2010

I am puzzled with trying to configure a linux (openSUSE) client to dhcp to eBox DHCP server. I am using dhclient to lease an IP address with dhclient eth0 -s 10.45.48.108 and get a response

openSUSE11232CL1 dhclient: DHCPDISCOVER on eth0 to 10.45.48.108 port 67 interval 4
openSUSE11232CL1 dhclient: DHCPOFFER from 10.45.48.108
openSUSE11232CL1 dhclient: DHCPREQUEST on eth0 to 10.45.48.108 port 67
openSUSE11232CL1 dhclient: send_packet: Network is unreachable
openSUSE11232CL1 dhclient: send_packet: please consult README file regarding broadcast address.

The server reports eBox141 dhcpd: DHCPDISCOVER from 00:0c:29:3e:57:a3 (openSUSE11232CL1.domain.net) via eth0
eBox141 dhcpd: DHCPOFFER on 10.45.200.2 to 00:0c:29:3e:57:a3 (openSUSE11232CL1.domain.net) via eth0

I interpret this as the server receives the request and the client accepting it but the lease does not last long and the connection breaks. what this could be and why the connection breaks? Or my undestanding is totally wrong on how it works and should work? And BTW, where is that README file that's referenced in the message I receive on the client?

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Networking :: Debian/Squeeze Fails To Get DHCP Address On Startup?

Mar 3, 2010

This one has been bugging me for some time now. The network interface (as defined in Debian's /etc/network/interfaces file) fails to obtain an IP address from myuter. However dhclient br0 does.I'm using br0 since I run a XP virtual machine.network/interface changes are from a Debian howto on setting up the tap interface.As near as I can tell, the /etc/init.d/networking script basically calls /sbin/ifup -a. ifup is a binary.My /etc/network/interfaces file is:

auto lo
iface lo inet loopback
address 127.0.0.1

[code]...

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Debian Installation :: Xen Domu Creation With Nfs Static Address Boots On Dhcp

Dec 11, 2014

I am create Xen virtual machines.

I created a domu.cfg file with:

xen-create-nfs --ip 192.168.13.2 --broadcast 192.168.13.255 --gateway 192.168.13.1 --netmask 255.255.255.0 --nameserver 192.168.13.1 --initrd /boot/initrd.img-3.18.0 --kernel /boot/vmlinuz-3.18.0 --memory 4096M --mac 00:16:3e:01:01:01 --nfs_server myserver --nfs_root /var/exports/myhost --hostname myhost

I initialized it with:

xt-install-image --cache yes --dist wheezy --apt_proxy http://192.168.13.1:3142/ --mirror http://ftp.fr.debian.org/debian/ --location /var/exports/myhost

Then I started the domu with:

xl create /etc/xen/domu.cfg -c

And I receive this message telling me dhcp is used as I specified static ip:

IP-Config: eth0 hardware address 00:16:3e:01:01:01 mtu 1500 DHCP RARP

What can I do to desactivate the dhcp client?

remark: I used this equivalent former configuration with qemu-kvm and I booted with static ip without any problem.

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Networking :: Windows XP Network Can't Acquire DHCP Address From Debian Squeeze

Apr 18, 2011

I setup the dnsmasq in debian squeeze as dhcp and dns server, for the debian host i assigned the static ip addresses, and configured the xp for dhcp. Windows XP network can't acquire DHCP address from debian squeeze with this error:

Quote:

error unable to contact your dhcp server Request has timed out.

this is the tcpdump output in debian for the xp network:

Quote:

15:12:10.631635 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 00:07:e9:a8:ea:93 (oui Unknown), length 300
15:13:16.611793 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 00:07:e9:a8:ea:93 (oui Unknown), length 300
15:13:16.611793 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 00:07:e9:a8:ea:93 (oui Unknown), length 300
15:12:42.631730 ARP, Request who-has 169.254.202.161 tell 169.254.202.161, length 4615:12:44.613568 ARP, Request who-has

[code]....

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Ubuntu Networking :: Static IP Address And The Install Configures For A DHCP Configured Address - Network Not Starting

Dec 16, 2010

Version 10.04 LTS. Installed desktop version and network worked but I needed a static IP address and the install configures for a DHCP configured address. I tried changing to static address using the System->Preferences->Network Connections application but was unable to get the system to come up with the network up.

So I manually modified the /etc/network/interfaces and the /etc/resolv.conf files. I restart the system but when I do an ifconfig, I don't see a configured IP address on eth0 (only the loopback address). If I run /sbin/ifup eth0 everything then works fine and ifconfig shows the correct address bound to eth0.

My files are as follows:

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Ubuntu Networking :: IP Address Set To Manual But Still Queries DHCP For Address

Mar 12, 2011

I'm running Ubuntu 10.10 and I'm having problems trying to assign it a static IP address. No matter what I put in the Preferences->Networking area (identifying the interface as Manual)... it still will query DHCP for an address if I run the dhclient command. I'm using to using ubuntu server where I just set the IP in the interfaces config file.

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Debian Configuration :: Unable To Get Ip Address For Wlan0 During Init?

Sep 23, 2010

This is embarrassing. I can't get a wireless address from my router with dhclient. The distribution is sid/lxde/liquorix kernel with no network manager on /dev/sdb1.

root@sid:/home/jheaton5# dhclient -4 -v wlan0
Internet Systems Consortium DHCP Client 4.1.1-P1
Copyright 2004-2010 Internet Systems Consortium.

[code]....

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Debian :: Ddclient WARNING Unable To Determine IP Address?

Jan 16, 2011

i am new to linux . i have the basic knowledge of networking. a week ago i installed debian Lenny version on an old pentium 3.in addition i installed a ddclient configured it according to many tutorials....i searched google a few days but didnt find my case.i ran the folowing command :

ddclient -daemon=0 -debug -verbose -noquiet
output:
debian:~# ddclient -daemon=0 -debug -verbose -noquiet

[code]...

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Debian Configuration :: Ddclient WARNING Unable To Determine IP Address?

Jan 16, 2011

i have the basic knowledge of networking. a week ago i installed debian Lenny version on an old pentium 3. in addition i installed a ddclient configured it according to many tutorials.i searched google a few days but didnt find my case. i ran the folowing command :

ddclient -daemon=0 -debug -verbose -noquiet
output:
debian:~# ddclient -daemon=0 -debug -verbose -noquiet
=== opt ====
opt{cache} : <undefined>

[Code]...

i installed ddclient before installing apache. the 10.0.0.10 address is the server address in my d link router behind NAT.

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Fedora :: Get An IP Address From The Dhcp Server?

Apr 13, 2011

I have a network with one of the server machine being under Fedora 14 and the clients machines being under Windows 7 and Fedora 14.

Quite often I get some difficulties for the clients to get an IP address from the dhcp server. If I look at the server logs, it looks like the server sees the requests and sends and answer:

Apr 12 19:33:18 dhcpd: DHCPDISCOVER from 00:21:70:c5:22:4e via eth1
Apr 12 19:33:18 dhcpd: DHCPOFFER on 192.168.28.52 to 00:21:70:c5:22:4e via eth1
Apr 12 19:33:23 dhcpd: DHCPDISCOVER from 00:21:70:c5:22:4e via eth1
Apr 12 19:33:23 dhcpd: DHCPOFFER on 192.168.28.52 to 00:21:70:c5:22:4e via eth1
Apr 12 19:33:33 dhcpd: DHCPDISCOVER from 00:21:70:c5:22:4e via eth1

[Code].....

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OpenSUSE Network :: Can't Get IP Address From DHCP

Jun 3, 2010

I had 200 workstation with both Windows XP and SuSe Enterprise Linux. Sometime, a few clients can't get IP address from DHCP with SuSe OS. With the same computer, if I reboot and chose Windows XP, it work fine. The log message or the boot message was "No IP Address yet ...backgrounding". I tried to reconfig network device, restart services, change another port, change another line LAN, set static IP Address .... but there's no luck for me.

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Networking :: DHCP IP Reservation Through MAC Address?

Jan 13, 2011

Is there a way to configure DHCP IP Reservation thru MAC ? eg. {MAC ADDRESS} 192.168.1.23 So, when somebody owns this MAC address leases IP, it will give the one in reservation. Also, for security in mind, DHCP will ONLY lease IP if its MAC address is listed, otherwise, DHCP will NOT give IP.

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OpenSUSE Network :: Having IP Address Via DHCP But No Connection?

Apr 9, 2010

I've just installed opensuse 11.2 with the network installation iso. During the installation, it has got the IP via DHCP without any problem, and I has downloaded all the needed packets without problems... But when the installation finish.I have no network connection It's strange, because I have IP address, I get the IP from the DHCP server, and I can see the IP addreess if I do "ifconfig", the default route and even the DNS servers in the resolv.conf file; but I cannot ping my gateway (that is the DHCP server as well!!), I cannot ping anything in my network and either anything in internet. I see a network error at the start, but it finally gets the ip address. In the dmesg, the last message repeats over and over. The machine is a Hyper-V virtual machine, but as I said... I worked very well during the installation, I don't know what is going on. I've tried to reinstall, but it doesn't make any difference

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Networking :: Can't Change From Dhcp To Static Ip Address

Jan 16, 2010

Can't change from dhcp to static ip address.I've installed Oracle's version of Linux Redhat 5, but I'm having no success changing from dhcp to a static IP address. My machine is plugged directly into a Belkin router which has the IP address: 192.168.2.1.If I use the gui: /usr/bin/system-config-network and set the network device to dhcp,it works fine. But if I set the IP address manually, I get no internet traffic, and if I ping an internet website, "network unreachable".The installation instructions for Oracle say that they want a full domainname. I've tried gateway.2wire.net. This worked in the last place I did a successful installation.It was the address of my ATT router. If I plunked that into a browser, I got the router configuration.

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Networking :: Ipv4ll Address In Parallel With DHCP?

Oct 13, 2010

I would like to define a IPv4LL address (169.254.0.0/16) in parallel with the DHCP address received from the server on the same network card. I tried to modify /etc/network/interfaces to that effect (see below), but either I only manage to get one of the two at any time.

auto lo
iface lo inet loopback
auto eth0 eth0:1
iface eth0 inet dhcp
iface eth0:1 inet ipv4ll

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Slackware :: Dhcp Fixed Address Not Working

Jun 7, 2010

I have a slackware server running ISC dhcpd and bind, and I want to give a dual boot XP / Ubuntu client a fixed address based on its MAC.

I added a host stanza to my server's dhcpd.conf:

Code:

I restarted bind and dhcpd, restarted the client's networking, and it still requests (and receives) its previously leased address, which is not the fixed address I want it to get. I tried dhclient -r to make the client release the old address, didn't help. On networking restart it still gets offered the old (wrong) address. Could it be that dhcpd somehow hangs on to the old lease even after the client sent a DHCPRELEASE?

How do I tell dhcpd to forget about an old lease, and how do I make dhcpd hand out the fixed address (and only that address) I specified for a given MAC, regardless of what the client requests?

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Fedora Networking :: Get The Router To Assign An IP Address Through DHCP?

Jan 24, 2009

I noticed that my internet connection wasn't automatically brought up each time I logged into Fedora so I opened the system-config-network tool and edited my network adapter by checking the box marked "automatically start at boot/login." To my surprise, the connection went down and upon trying to click on the device to let the manager bring up the connection the greyed-out phrase "device not managed" appeared underneath the device name and wouldn't allow me to connect.

Even when I used ifconfig/dhclient to get the connection up nothing happened. I could get the router to assign an IP address through DHCP, pinged a few sites to make sure it was legit, but still couldn't use firefox to browse anything. Seems as if network manager GUI is conflicting with command line attempts to bring the network up. I'd like to permanently disable system-config-network if possible because it's acting screwy!

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General :: Ifconfig Alias Address Assigned By DHCP

Aug 13, 2010

I would like to create several aliases to eth0, but have the addresses assigned by DHCP instead of being set to static IP's. Is this even possible? All the examples I've seen assign a static IP using the command:
ifconfig eth0:0 192.168.1.11 up

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Ubuntu Networking :: Change From DHCP To Static IP Address?

Nov 14, 2010

Does anyone know an easy way to do this? I can't seem to figure it out.

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Ubuntu Networking :: Find Out More About A MAC Address In My DHCP Clients

Mar 8, 2011

I don't really have a reason for this currently. I recognize all the MAC address on my DHCP client list and keep it rather well locked down. I was just wondering if there was something I could run on the terminal to get more information on a given MAC address on my network. Something kind of like whois for websites.

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Networking :: DHCP Get IP Address But Not Overwrite Resolv.conf?

Aug 16, 2010

I have an Ubuntu 10.04 server. It gets its IP address by DHCP (the router has a fixed reservation so it always gets the same one). However, it needs its nameserver to be itself, and not the DNS servers given out by the router. How can I make dhcp not overwrite resolve.conf?

(Yes I know I could just set a static IP. But I'm testing stuff out here, and want to know if it can be done without doing that.)

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Networking :: ISC DHCP - Class Matching Based On Mac Address

Aug 12, 2010

We have a large number of devices on our LAN with the mac prefix of 00:60:60. We want to assign these addresses from a separate address pool. I've created two classes, one to match 00:60:60 and another that I want to contain any other device. When i try to start the server I get:

/etc/dhcp3/dhcpd.conf line 33: boolean expression expected
match if not binary-to-ascii(16,8,":",substring(hardware, 1, 3))
^#this carrot should be under the last parenthesis#
Configuration file errors encountered -- exiting

Here is the relevant section of /etc/dhcp3/dhcpd.conf

class "006060" {
match if binary-to-ascii(16,8,":",substring(hardware, 1, 3)) = "00:60:60";
}

[Code].....

I've tried a few variations on that line. I've spent days trying to find any examples of "match if not" and haven't found anything. I assume it's going to be something to do with parenthesis/quote placement. Oh and this is ISC DHCP Server V3.0.4.

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Networking :: DHCP Server - Losing Static IP Address

Nov 10, 2010

I have an Ubuntu Server 10.04.1 that I have given a static IP address. Every six hours or so I will lose connectivity to it and when I type ifconfig to look at the network information, it has been given an address via dhcp. If I run the /etc/init.d/networking restart command the IP address goes back to my static address and things are fine for another 6 hours or so. Here is what is in my interfaces file:

auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 10.60.82.15
netmask 255.255.0.0
broadcast 10.60.255.255
gateway 10.60.254.254

This machine is also a DHCP server and I checked to make sure there are no other DHCP servers on my network. Right now my fix is to have a Cron job running that runs the reset command every 5 hours, but I would like to find a more permanent solution.

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Networking :: DHCP To Assign Specific IP To A Particular MAC Address Of A Machine?

Feb 22, 2010

I want to setup 1Gbps our lab network and we purchased 'Buffulo Giga layer switch ' with 24ports. Is there a way to tell DHCP to assign specific IP to a particular MAC address of a machine ? We want to use DHCP and whatever the port we use ,it should have same IP ..

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CentOS 5 Networking :: DGE-530T Will Not Get IP Address From DHCP Server

Aug 6, 2009

I am attempting to get this network card running under CentOS 5.2 but have had no luck. Some sites say to use the sk98lin driver, others the skge, which I can't find at all. I have tried multiple versions of the driver in rpm but none seem to work. The card shows under the network manager but will not get an IP address from the DHCP server.

Here are the outputs for this card.
uname -rmi
2.6.18-92.1.10.el5 x86_64 x86_64
lspci -m
04:01.0 "Ethernet controller" "D-Link System Inc" "DGE-530T Gigabit Ethernet Adapter (rev 11)" -r11 "D-Link System Inc" "DGE-530T Gigabit Ethernet Adapter (rev 11)"
lspci -n | grep "$(/sbin/lspci | awk '/net/ { print $1 }')"
04:01.0 0200: 1186:4b01 (rev 11)
lspci -vv
04:01.0 Ethernet controller: D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11) (rev 11)
Subsystem: D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (5750ns min, 7750ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 121
Region 0: Memory at febfc000 (32-bit, non-prefetchable) [size=16K]
Region 1: I/O ports at e800 [size=256]
Expansion ROM at e0000000 [disabled] [size=128K]
Capabilities: [48] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [50] Vital Product Data

How to get this working as we have 3 of these cards for computers without a Gb NIC and I don't want to fight with it 3 separate times.

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