Dynamic Host Configuration Protocol (DHCP) allows computers on the same network to automatically obtain a unique IP address.

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Creating WiFi Access point on a single interface in Linux

I am trying to create a WiFi hotspot or an access point on my Linux laptop. I am using Opensuse Kde 12.3. I found out a software called hostapd which lets you create hotspot but it requires two ...
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5answers
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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 ...
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4answers
1k views

How access network computers by name

I have a local home network. The computers get IP address from a router via DHCP. So the address are dynamic and change. How can I assign names to computers to be able refer by name? One computer is ...
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5answers
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How to force Windows 7 to ask for a “fresh” IP address from DHCP server?

I'm troubleshooting a certain issue with my DHCP configuration, and need my Windows machine to ask for a "fresh" IP address, so I can see which address DHCP server gives by default. When I do ...
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6answers
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Why do most routers not include local DNS?

I need to change my firewall/router, and I'd prefer something with built-in DNS to resolve queries on the local subnets. I've got a mixed Linux/Windows system, often with only one computer turned on, ...
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2answers
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What is the “Alternate Configuration” tab in TCP/IP settings

As I know there is two choice for configuring a computer IP address in the network. Assigning a Static IP or obtaining a dynamic IP from a DHCP server. But what is the Alternate Configuration in ...
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2answers
167 views

How can I know the DHCP settings offered by a server?

I want to debug a router that is giving strange DHCP settings, but I don't know how to check it without having to make my system take all the configurations. Isn't there a utility that returns all ...
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1answer
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Unique IP address settings (static/dhcp) per wireless network? [duplicate]

Possible Duplicate: Automatically picking network settings based on the wifi network Is this possible in Windows 7? For example, I want to use Static IP A with Network A, DHCP with Network ...
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2answers
856 views

DHCP Lease time

I have computer connected to internet directly. But once every hour IP changes and I do not want that for sure. How can I set IP lease time for like a year or so? Thank you
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0answers
43 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, ...
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3answers
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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 ...
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7answers
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Why is my subnet mask 255.255.255.255?

I have a modem which used for internet broadband and I got an IP address in the 'A' class 10.x.x.x and have netmask 255.255.255.255. What does 255.255.255.255 mean exactly? When I try to sniff with ...
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2answers
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WiFi cannot connect to internet in two router setup

I am struggling to setup my home network. I have the following setup, also shown in the diagram below (sorry for the MS Word screenshot!): My landlord has an ADSL connection, established by Router ...
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4answers
2k views

What does static DHCP mean? Static Dynamic is confusing

I've found some home wireless routers/ADSL+ modems (ZyXEL 660) talking about Static DHCP, when refering to assosiating a specific MAC to an IP, but still serve the configuration over DHCP. Doesn't ...
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4answers
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How to configure `eth0` to retry `dhclient` when unplugged and replugged?

I'm working on a linux gadget. I want it to get DHCP if I plug in the network cable after it has booted up already or if the network cable unplugged and replugged. One solution is to run a script ...
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1answer
565 views

OS X location aware networking

I have a macbook running OS X 10.6.2. I would like to be able to use DHCP when roaming, but automatically switch to a static IP when my macbook is in range of my home router. Right now I must manually ...
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2answers
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dnsmasq without altering /etc/hosts file manually

I've trying to get dnsmasq working as a combined dns and dhcp server. It's infuriating so far... In short, the DNS works fine for anything added to /etc/hosts, and the dhcp works fine, but the dhcp is ...
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1answer
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Windows clients not using NTP server provided via DHCP

I have a network consisting mostly of Windows Vista and 7 clients and an Ubuntu server. The server provides both the DHCP and NTP services through dhcp3-server and openntpd. In my dhcpd.conf, the ...
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7answers
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How to assign a static IP with a linksys WRT54G2?

For all my googleing it appears the best you can do is tell your computer not to use DHCP; I cannot find a way to do this at the Access Point level. EDIT: This is not for port forwarding. This is ...
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1answer
3k views

Can't get IP on Windows 7 after extensive troubleshooting

My Windows 7 system is not able to pull an IP from my router's DHCP. This just started a few days ago, and I've done quite a bit of troubleshooting. Here's what I've tried in roughly chronological ...
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1answer
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How do I open the dhcp-client log on Windows 7?

Tried searching the web for answers but my google voodoo isn't strong enough.
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3answers
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what is the work of dhcp

hi all I am little bit confused about dynamic and static IP concept.What is dhcp and What actually DHCP does.Please provide me some idea about IP,Port and DHCP.
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1answer
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Configure Windows Firewall to allow DHCP client and specific remote IPs only

I've configured Windows Firewall in Windows 7 to block all traffic on the public interface, except to certain IP addresses, as described here: http://superuser.com/a/456326/112560 The problem is, this ...
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2answers
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How make static local ip for server on OS X, Airport Extreme

In my other question, I was trying to set up my mac as a server, and the thing they suggested after is setting it to a static local ip outside of the DHCP range so I could port forward to that and it ...
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4answers
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Mac OS X 10.5.8 gets wrong IP address from wireless router

My Mac OS X system is mostly getting the wrong ip address from any router. It gets an IP address starting with 169.254.59.233, when it should be getting a good, old 192.168.1.5 or something. Does ...
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3answers
748 views

ad blocking host file, shared to all computers on local network

I currently update my local hosts file with advertising server domain names and direct them to nowhere. Well, almost nowhere. I point them to 127.0.0.1 and I don't have a web service running so it is ...
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2answers
354 views

Connect to host by name using a Linksys wrt54g as my router and dhcp server

I have a Linksys WRT54G router at my house. How do I enable/perform connect-by-name on my network (like "kitchen" and "musicbox") on Windows XP, Linux (Ubuntu and CentOS), and Mac clients? Sometimes ...
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5answers
11k views

Setup Linksys WRT54G to use modem`s DHCP server

i cant figure out how to set Linksys WRT54G Wireless Router to use modem`s DHCP server. My network scheme is like this: [COMCAST MODEM] <=> [HUB] | | [LINKSYS] ...
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2answers
534 views

In OS X, how can I prepend 127.0.0.1 to the list of DNS servers obtained through DHCP?

I am trying to use dnsmasq to resolve certain known domains using its configuration, but let the rest of the requests go through to the normal DNS server assigned by DHCP. I cannot get this to work. ...
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1answer
1k views

How can I determine the IP addresses allocated by DHCP on a router that I'm connected to?

This "router" is not a typical situation. I'm using my phone as a hotspot and can only configure a select number of DHCP options. I can manage the limit on how many devices/clients can use my phone ...
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2answers
9k views

Pinging own machine returns an IPv6 address instead of IPv4

When I ping my own machine I get an IPv6 address: Reply from fe80::1004:p8f0:9e40:a42c%10: time<1ms Reply from fe80::1004:p8f0:9e40:a42c%10: time<1ms I used to get the IPv4 address (eg. ...
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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 ...
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2answers
4k views

Could not find DHCP daemon to get information on Belkin G Wifi Router

I am using a Belkin G Wireless Router F5D7234, and i have a DSL connection with only a ethernet cable. So i connected the cable to the Modem port and allowed it to use Dyanmic IP, it worked ...
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1answer
4k views

2 default gateways, one to 0.0.0.0… with DHCP

A problem that I have here with Windows 7 (RTM) and Windows Vista (SP2), on multiple machines, is that clients get a default gateway of the DHCP server (like they should) but on top of that, also a ...
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1answer
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TP-Link router sometimes fails to negotiate proper IP address

I'm trying to fix the WiFi connection of a family member. They get their internet from a cable modem. The modem is connected to a device that looks like a small Ethernet switch. This switch is ...
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1answer
5k views

How to change the dhcp range alloted through ICS in Windows 7 to 192.168.1.x range?

I have set up Internet Connection Sharing in my Windows 7 laptop. Currently the IP range alloted for ICS clients from DHCP is in the range of 192.168.137.x. I am not able to find a way to change the ...
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1answer
683 views

dhcpd not processing broadcast DHCPDISCOVER

My DHCP server is handling two subnets. The first subnet is all host -> fixed-address sets for known hardware. The second subnet has a pool set up to handle virtual machines in a vCenter. Now, if ...
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2answers
309 views

dhcp.lease showing strange entries

lease 172.16.0.174 { starts 2 2011/11/22 10:23:11; ends 3 2011/11/23 10:23:11; binding state active; next binding state free; hardware ethernet 6c:50:4d:0e:c8:c0; uid ...