Dynamic Host Configuration Protocol; allows computers on the same network to automatically obtain unique IP addresses and other network configuration parameters.

learn more… | top users | synonyms

1
vote
2answers
90 views

DHCP server which only configures default gateway

I have static ip's assigned to my machines, but no default routes. I want to send only the default gateways via a dhcp server. Is that possible?
4
votes
1answer
2k views

Configuring default gateway returned by dhcp server

I have a machine which connects via ethernet to a private LAN, and wireless to a network which provides internet connectivity. The private LAN uses a wireless router to perform DHCP. The problem is ...
1
vote
1answer
47 views

Static DHCP with Century Link Modem

I'm currently attempting to change my IP address with my modem provided by my ISP (Centurylink). I was told because of the service I have, they use Dynamic IPs with indefinite lease time, and that ...
4
votes
1answer
7k views

Arch Linux: eth0 no carrier - network fails at boot

The problem My computer is connected to a network where dhcp is required. So my network configuration in /etc/rc.conf looks like interface=eth0 address= netmask= broadcast= gateway= My deamons are ...
52
votes
5answers
41k views

How can I stop Mac OS X overriding my hostname when I receive a DHCP request on Snow Leopard?

Whenever I go on a network where the DHCP server assigns hostnames then it overrides the settings I've set for my hostname on my Mac in the "Sharing" section of System Preferences. How do I stop this ...
1
vote
2answers
5k views

How to disable disclosing a computer name to a network?

I don't use (I've disabled it by normal means and blocked the ports with personal a firewall) Windows Networking (CIFS aka NetBIOS aka SMB etc), but my PC has a name as it seems to be mandatory in ...
1
vote
0answers
89 views

why the ping doesn't get a reply?

I have an embedded board that has the CFE, a minimal loader. I have a host machine - linux FC16, where I am running a dhcpd server. My interface is p3p1. Here are the details of the ifcfg-p3p1. ...
0
votes
0answers
191 views

How to setup the DHCP server?

I am new to networking. I have a FC16 machine that has two network interfaces em1 and p3p1. The em1 is connected to the outside world. The p3p1 is the interface that I want to connect to my embedded ...
1
vote
0answers
366 views

Using DHCP to get multiple IP addresses on single NIC on RedHat

I am trying to obtain multiple IP addresses using the ISC dhclient supplied with Red Hat Enterprise Linux 5 in order to provide the IPs to multiple applications, which will run on separate virtual ...
0
votes
1answer
172 views

How to get host-name from DHCP server via Network Manager?

I can get hostname and ip address from DHCP server with invoking the script under /etc/dhcp/dhclient-exit-hooks.d/ directory as explained here on client side . But it stopped after installed network ...
0
votes
0answers
130 views

Relinux Live CD - waiting for network configuration

I installed ubuntu 12.04 base system via minimal ubuntu iso. I make a script to get hostname from dhcp server which explained here. It works perfect. I don't install network manager because I dont ...
0
votes
0answers
289 views

Windows 7: can I renew DHCP lease through GUI?

In Windows XP, there was a GUI option within each network interface to renew the DHCP lease of the interface. Does Windows 7 Professional no longer offer a GUI to renew DHCP? Else, how and where do ...
0
votes
0answers
113 views

ISC-DHCP stop working when an interface is down

I'm using a computer running Mageia Cauldron as a server/router. Since the default network managing tool wasn't convenient and was sometime problematic, I'm now using netifd from OpenWRT. But the ...
0
votes
2answers
141 views

How to know default gateway without dhcp

Sometimes i use some wifi, maybe in public places or hotels. Sometimes they do not have DHCP Server on they router, and they do not provide LAN IP Settings, and maybe they also DO NOT KNOW what LAN ...
0
votes
0answers
131 views

Network Instable Connection over LAN, Airport Express works

I just got a cubox-i4 but have a big problem with the LAN connection. It establishes and crashes again. The thing is, that if I connect it via LAN to an Airport Express (connected via wifi), the ...
2
votes
1answer
84 views

Is it possible to use DHCP to obtain default gateway and DNS server only?

I have a few VMs which I want to keep with static IP addresses. However, I run those on my laptop and frequently connect to different networks which use different default gateway and different DNS ...
0
votes
3answers
157 views

Sharing Internet connection across LAN

For the life of me, I can't figure this out. I had it working once in my network, but never after that. I have two machines A (Win7-x64) and B (WinXP-x86), connected through TP-Link's TL-MR3420 ...
0
votes
1answer
25 views

Server 2008 DHCP on a wireless adapter

We have a Server 2008 (x86) computer which acts as a server, also as a router to share Internet into multiple network segments with RRAS. Everything works fine except DHCP on a wireless adapter with ...
2
votes
1answer
226 views

Change IP based on AP

I connect to 8 different Access Points, each with a separate subnet and each location does not allow DHCP. I want my computer to change my IP address to an assigned IP address per location based on ...
1
vote
2answers
120 views

With a MAC-DHCP binding at the router, do I configure the client as static?

I'm working on setting up a home web/file server together with a new-to-me Cisco router. This router does not support setting ip addresses on the interfaces, because of some peculiarities (its a ...
-1
votes
2answers
368 views

How to use the internet modem DHCP on a LAN created by wireless router?

My home network description: [Laptop] -> [Wireless Router] -> [Internet Modem] -> [Internet] Sorry if I'll say something noob I'm not a professional on networking. I have a LAN created by ...
0
votes
0answers
109 views

OpenVPN DHCP server issue

I've worked through the tutorial listed at http://www.dd-wrt.com/wiki/index.php/VPN_(the_easy_way)_v24%2B. I have dd-wrt running on my router with the OpenVPN server daemon running. I'm running in ...
0
votes
0answers
935 views

Dnsmasq running on raspberry pi will serve non-local DNS to ethernet but not wireless hosts

I have a Linksys WRV200 wireless router. I have just added a raspberry pi, connected via ethernet, working as a DCHP server and caching DNS server. Dnsmasq also serves local domain names. Dnsmasq ...
0
votes
1answer
57 views

How can I point a domain at a changing IP?

So I'm running a website off my own server. I piggybacked off my dad's domain; I added subdomain, evamsharma.finosus.com, and pointed to our network IP, and set up port forwarding. But when I logged ...
5
votes
3answers
2k views

How to use dnsmasq with DHCP-assigned DNS servers?

TL;DR version: How do I configure dnsmasq to fall back to the DNS servers pointed to by the DHCP server on my LAN, to enable switching wireless networks? On my developer laptop I've recently started ...
-1
votes
2answers
756 views

How to configure the network interface with a dynamic range of IP addresses?

I am new to networking, so please bear with me. I have two network interfaces. One network interface is connected to the external world. Another network interface 'p3p1' is what I want to use for ...
0
votes
0answers
615 views

iPhone self-assigning IP address 169.xxx.xxx when connecting to my slave router

My aim is to have a network configured where all devices can see and communicate with each other, all devices should have access to the internet as standard. The reason why I have decided on a ...
3
votes
1answer
524 views

Why does my (home) router append a DNS suffix?

I wonder if any other people have come across this. I've rented rooms in two houses this year, and they both have Sky (a UK ISP) Broadband routers. For some reason, the router I currently use hands ...
0
votes
0answers
250 views

Connect to Google Play via eth0 android x86

I installed in VirtualBox Android x86 4.0 for eeepc (android-x86-4.0-RC2-eeepc.iso). After installation, android want connect to play, but I haven't configured network. I press "not now". After ...
0
votes
0answers
1k views

How to configure AirPort Extreme as the DHCP/DNS/NAT server where DSL modem/router does them?

I have an AirPort Extreme BS and a modem/router (ISP's NetMaster). I want to host my own websites from my Mac Mini with OS X Server. At the moment, ISP's router is the DHCP/DNS/NAT server, and AirPort ...
0
votes
0answers
60 views

Changing router GATEWAY IP using CLI

I'm setting up my load balance router with 3 ISPs, 2 of the modems have the same GATEWAY IP. Any idea how to change Huawei BM622i GATEWAT IP? I can't get to work using the web interface. So, ...
2
votes
1answer
766 views

How to load test a DHCP Server? [closed]

I basically want to test how many client requests my DHCP server can handle.Is there a simulator available to load test a DHCP server running on Ubuntu 12.10?
0
votes
1answer
185 views

Use a combination router/modem as a slave to another router

I've got a combination cable modem/router from my cable company. I've also got a Netgear N900 that I love. I'd like to use the advanced features of the N900 (partitioning, guest networks, print ...
1
vote
3answers
1k views

What does asterisk meant in route command

I have two network interfaces present in two different subnets and are configured as DHCP. When I run route command I am getting following output with asterisk in Gateway. What is the meaning of it? ...
0
votes
0answers
602 views

DHCP option to control interface metric

For some reason Windows is using only one interface for local network broadcasting (the one with lowest metrics). When client connects to VPN network, i want it to make new network preferred for ...
3
votes
2answers
4k views

Ubuntu box keeps dropping wired network connection

good morning all. Odd one for you... I have an Ubuntu box, 11.04 x64, running on a Dual Opteron SFF box (iWill ZMaxDP... pretty old machine). Up until a few weeks ago, it was acting as a Windows ...
0
votes
1answer
68 views

Connecting 2 networks together via router

I have a small size business where we have around 22 PCs. At present, I have the internet connected directly to a switch1 (We use dedicated leased line and I have been provided with 5 static IPs by ...
27
votes
3answers
57k views

Why is Windows' default IP address 169.xx.xx.xx?

My Windows system got an 169.xx.xx.xx IP address the other day, and I fixed the issue, but why did Microsoft chose this address as the default? Why not 1.xx.xx.xx or 255.xx.xx.xx? Did one guy at ...
0
votes
1answer
214 views

DHCP Pool Range / IP-Camera Setup

Lately I have been trying to set up a IP-Camera for friends wirelessly. I realized on their router its DHCP pool range is from 192.169.2.100 - 192.168.2.200. But when I changed the IP address of the ...
0
votes
1answer
30 views

How could I diagnose a computer (INTEL board with FreeBSD) that does want to acquire a DHCP address?

I have a system that comprises 3 logic boards with 3 different CPUs (3 computers in one systems). They are all attached to a router that is connected to a wifi bridge. Of these 3 boards, only 2 ...
0
votes
2answers
311 views

IP address different on Mac vs. PC?

I have a Mac on the Wi-Fi network and my colleagues have Windows, also connected by Wi-Fi. Why is my IP address totally different from theirs? e.g. mine is 192.x.x.x theirs is 10.x.x.x. We on the ...
0
votes
2answers
1k views

Two network-ranges, one gateway - Double NAT issue

I have one network 192.168.0.x which is slowly running out of IP addresses. I wanted to remedy this by creating a second network for mobile devices (192.168.1.x). The first network has a gateway of ...
0
votes
2answers
2k views

Getting strange IP Address from router

I've had a router set up for quite some time and it has been working perfectly. My wife called me to tell me the wireless internet wasn't working and when I came home I saw that my phone was connected ...
0
votes
1answer
177 views

DHCP fallback based on /etc/hosts lookup of your hostname

I have a Kubuntu box (12.04) which usually gets its IP via DHCP. However, it also has a hosts file with some entries in case the DHCP+DNS server fails. Now, if there is no DHCP available, I want the ...
1
vote
1answer
2k views

“RPC is unavailable ” while renewing IP address or connecting to broadband over ethernet

I already looked for solutions on internet and on this forum but it did not help so posting a new question. I have windows 7 Professional and i connect to broadband via ethernet (always on). When i ...
0
votes
1answer
332 views

Dynamic DNS for RPi -> Airport Extreme (DHCP) -> Cable Modem (DHCP) -> Interwebs

I have a Raspberry Pi which connects to my Airport Extreme via DHCP. The Airport is connected to my Cable Modem which gets its IP address via DHCP from Comcast. I would like to be able to address the ...
0
votes
0answers
279 views

Network resource access control (maybe using VLANs?)

I'm trying to set up a network that has a couple of different device groups with different access rights. Physically, devices are connected to the network either via wall-ports or via one of several ...
6
votes
4answers
5k views

dhclient and dhcpcd the real difference

I can't figure out the difference from just the man pages. I can see what is a daemon and one is a client, but what does that mean practically when using the commands? Also what is the difference ...
0
votes
1answer
52 views

Detecting active devices on LAN from Debian based server

Simply: How can i detect if there are any active devices on lan? More details: I have home server which acts as Internet gateway and wifi access point. Because of server part of its configuration i ...
1
vote
3answers
160 views

Why will my wireless router allow wired clients to get an address outside the router, but not wireless ones?

I have a "main" router that connects to the internet, and then a wireless router that connects to that. The main router's DHCP is disabled, and a computer hooked to that has a DHCP server running ...