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

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How can I fix this conflict between my wired and wireless network connections?

I have two working network connections: One connection is for a wired ethernet card adapter and the other is for a wireless usb adapter. Both connections work fine when used separately, but when ...
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1answer
273 views

Router “ghost” connections

My Linksys WRT54GS2 V1 has begun to display ghost wired connections in the last weeks. As you can see from the images I have nothing connected except for the power cable. I have tried a hard reset ...
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1answer
501 views

Setup two routers where non-Internet router provides DHCP

I have two expensive routers that both have issues and I think I can use them together to fix all of them. Why I have a Belkin Play router, that starts to slow down my Internet after some time ...
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1answer
123 views

Configure WiFi router DHCP to assign IPs outside of subnet?

I have a slightly unusual issue with configuring a Wifi router on a shared office space network: We have a single ethernet connection to a building wide router A and we want to run a WiFi access ...
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0answers
77 views

Strange Networking Setup — Two ISPs to one household

I have an interesting networking problem that I am trying to solve. I have two ISPs into my household. I have Verizon DSL, which I use as my primary connection to the internet. I also just got Time ...
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1answer
156 views

How can I connect a wireless access point to an existing network (with a proxy)?

im new here, hope you guys can help me out. i was tasked to do the network (wireless and wired) of our new department in our company. our existing network has dhcp server(Windows Server 2003) and a ...
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2answers
2k views

Possible to ipconfig release/renew for only one nic?

I've got two NICs in my Windows 8 Pro (x64) box each connected to different networks. I would like to release and renew the DHCP lease for just one of the NICs. So far I can't find any way to do it ...
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0answers
170 views

Small office IP Management / Distribution [closed]

I need a bit of advise about IP management for a new small office. The background: Our company is expanding to a new building, and we are rebuilding our networking from ground up. The new building ...
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2answers
440 views

Set up internal DNS to point to that DNS server?

I have Windows Server 2008 running on my network with the following properties: Internal IP: 192.168.1.100 External IP: 242.24.124.12 Now I have registered a domain (example.com) and have it ...
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0answers
611 views

CentOS DHCP server failover won't give out leases

I have followed this tutorial: http://www.madboa.com/geek/dhcp-failover/ However, I can not seem to get a lease at my windows client. I have set both servers (CentOS 6.2) in virtual machines, ...
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1answer
3k views

How can I tell DD-WRT DHCP to assign same IP to the same device?

I installed DD-WRT mini image on my router. I have a board that gets rebooted a lot(development device). It is very frustrating that my board keeps getting different addresses every couple of reboots. ...
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1answer
408 views

Windows doesn't send DHCP Request after DHCP Offer

I'm just at a friends place and we have problems with the WiFi. Scenario is, there are (about) 8 Android devices, all without any problems logged in to the WiFi and connected to the internet. Also, ...
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1answer
69 views

Three routers behind eachother in the network; port-forwarding and wifi

I have setup the network throughout the house, but it is quite complex and often fails somehow. router #0 (192.168.0.1) which is also the modem and has incoming connection router #1 (192.168.1.1) ...
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1answer
66 views

DNS Server for my home netwoek

I have a number of virtual machines all running on my ESXi host. These all connect to my home router, and are assigned an IP address through DHCP. When I go to connect to these VMs, they frequently ...
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2answers
2k views

How to get both IPv4 and IPv6 dynamic address

Running dhclient gets me an IPv4 address. Running dhclient -6 gets me an IPv6 address. And the man page says you can't combine v4 and v6. So how to get both v4 and v6 addresses at the same time?
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2answers
135 views

Persistent DHCP Reservation Timing Out

I have 2 machine inside my home LAN (Netgear WNR2000v2 wifi). One of them is a laptop ("client machine") that will always be assigned random IPs in the 192.168.1.1 through 192.168.1.50 range. The ...
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1answer
111 views

Behind two DHCP routers: referring/accessing to a computer directly over the Internet

I've been working on a networked game in C#/XNA lately and the networking itself went pretty well while we had only Static IPs involved. Now the situation is: My PC is behind a home router (which I ...
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1answer
920 views

Two access points with same SSID, loosing connectivity on mobile devices

I have two access points, with the same SSID, same security mode (WPA/WPA2), operating at different channels (1 and 6). I have set the first of them (192.168.1.1) to operate as a DHCP server, while ...
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1answer
540 views

Virtual Box Router - Windows Host, Linux Guest

I currently have Ubuntu Server running as the Guest OS in Virtual Box on a Windows 7 Host. The Ubuntu Server gets its IP from DHCP and is Bridged to the my Network Adapter. I've disabled Internet ...
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4answers
3k views

How to skip pushing the default gateway via DHCP in OpenWRT?

I have a router with OpenWRT that I want to resolve IP addressing with DHCP without setting a default gateway. I have added a DHCP-Option parameter with value 3,0.0.0.0 that is supposed to set the ...
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3answers
57 views

DHCP Reservation (MAC)

I've been having problems with a few statements I've been reading. When setting up DHCP Reservation based on MAC addresses... Do the reserved IP's need to be in one of the scopes or not? Judging from ...
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51 views

How can I restart my routers DHCP to the first starting address?

I just changed my router's IP from 192.168.1.1 to 10.1.1.1. My local IP before was 192.168.1.124 and now it is 10.1.1.124. How can I make it 10.1.1.100 (100 is the starting number for my DHCP ...
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262 views

Can I configure and use 2 DHCP servers in my Home Lab Setup

I am setting up a Home Lab environment for development and testing. The purpose of this lab is multifunctional and the hardware involved is : Cisco ESW 540 24 Port GB Switch with VLAN etc... HP ...
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1answer
206 views

How to setup DHCP only on the wireless side of a router or AP?

We are currently running a simple network with unmanaged switches. We already have a Internet feed with router and DHCP. Im looking to add in another separate internet feed, with a 2nd router (NO ...
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1answer
398 views

How do I gracefully fall back to AutoIP when there is no DHCP service available?

I am developing an embedded device based on Linux and Busybox, and trying to make it adaptable to different network configurations. I want to: 1- At boot time, if there is no DHCP reply, use an ...
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2answers
125 views

Network with 2 TP-Link router

I have two TP-Link router to build a home network with, both Wireless (WR841N and WR642G). I connected the WAN to the WR841, there is 2 desktop PC connected to it, works fine. I tried to add the ...
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1answer
182 views

Restrict static IPs (Only DHCP) on Debian Squeeze

How can i restrict access to the Internet for users with static IPs? Can i disable free dhcp leasing? I'm running Debian Squeeze with dnsmasq as dhcp server. All users has their own ip, mapped to ...
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1answer
1k views

How do I set up multiple access points with a Packetfront DRG700 broadband modem?

I have a Packetfront DRG700 broadband modem (fiberoptic), which also has a wireless DHCP server built-in. In addition I have a D-Link DIR-615 router which is connected by cable to the modem. I want ...
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2answers
221 views

Hostname Resolving Issue

My network setup includes a Cisco router and a Realtek WLAN Accesspoint (AP): The Realtek AP connects to the internet and work as DHCP server. It is in Wireless ISP mode and its IP address is ...
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3answers
172 views

Reserving DHCP address

I am working in a serviced office, where I do not control the DHCP server. I have more than 3 machines that I need to have the same IP address after they get assigned. How would it be possible for me ...
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1answer
897 views

Disabling DHCP server in Windows-7

I am trying to set up a DHCP IP exclusion within the DHCP server which is coming with Internet Connection Sharing of Windows 7 but I'm having a hard time doing so. Consequently I got a 3rd party DHCP ...
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1answer
136 views

my LAN pcs are not able to connect to the Internet. I am using DHCP server and linkys router

My connection details: A have atotal 10 PCs connected to Linksys router. DHCP is enabled in the router. IP adddress: 192.168.0.103---013 subnet 255.255.255.0 gateway: 192.168.0.1 ...
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1answer
138 views

Windows 7 ad-hoc internet sharing - How to share with static IPs?

I'm trying to share internet via ad-hoc connecting two Windows 7 computers. The ad-hoc network only works with static IPs, but when I try to share the internet, Windows pops a message saying that the ...
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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? ...
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0answers
678 views

How to reload DHCP client remotely, in order to write new resolv.conf?

I'm trying to configure dnsmasq(8) on a Debian GNU/Linux system in a private DHCP-based network. During a local, manual setup - after installing dnsmasq istelf - one could simply include the line ...
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160 views

Router DHCP wireless vs. LAN entries, Internet Connectivity Issues

I own a Linksys E1500 router. Given the DHCP client table below: COMPUTER has a Wireless interface entry but no LAN interface entry. Does this mean the router does not detect COMPUTER to be ...
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52 views

Host Not reachble on a Network Interface

I have two network interfaces on my linux system. When I select eth0 as default gateway , everything works fine. I can connect to the system from other computers, but when I select eth1 as default ...
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3answers
2k views

I should have a dynamic IP, but it won't change

I have run ipconfig /all, which tells me DHCP is enabled, meaning I should have a dynamic IP address. However, no matter how many times I restart the modem, I end up with the same IP address. What am ...
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1answer
2k views

Linux/CentOS how to permanent inititate DHCP Client any reboot?

In my CentOS, i need to run dhclient -v command at every time i start/reboot the server. How to make this permanent please?
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1answer
108 views

Laptop never connects to wired or wireless network properly at first

On a laptop whenever trying to use wireless or wired internet in the task bar it says "limited connectivity" and the internet cannot be accessed. If I right click on the icon and select "trouble ...
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1answer
482 views

Router cannot continously look for a Dynamic IP

I am trying to connect to a ISP provider who is running a DHCP service. When I connect the cable provided by the ISP[beam telecom] to my laptop , a dynamic IP is assigned and everything fine. When I ...
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0answers
281 views

udhcpc: How can I get the result of requesting option?

I use commond line like this: udhcpc -O domain But the teminal only shows like this: Sending discover... Sending select for 192.168.X.X... Lease of 192.168.X.X obtained, leasing time ... So ...
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1answer
503 views

IP conflict when connecting DHCP enabled PC to DHCP enabled laptop with its wireless and wired network connections bridged under Windows

I have a laptop running Windows XP SP3 with a wireless NIC and a wired NIC. I bridge the two network connections under Windows\Control Panel\Network Connections. This gives me a single bridged network ...
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0answers
645 views

WNDR4500 DHCP Passthrough not working

I have a 2Wire Internet gateway with DHCP running. I have added a NetGear WNDR4500 to provide Wireless N and network attached storage (USB via WNDR4500). I have a media server connected to the 2Wire ...
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1answer
166 views

Setting up routing table via DHCP

I have a system attached by two ports to a DHCP server which gives out the following information: Port 1 Ip Address Mask Gateway 10.170.99.38 255.255.255.128 ...
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4answers
3k views

Network interface/dhcp problems ubuntu with kvm and network bridge

I have a ubuntu system running 12.10 I am using KVM and have configured a bridge for the virtual machines, which is using nat forwarding. I am having problems with the connection dropping out ...
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0answers
208 views

Using BT Business Hub 3 with separate DNS server

We have a BT Business Hub 3 in our office to connect to the internet. We are a web development company and we have internal servers in our office that we want to be able to access from mobile phones ...
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1answer
4k views

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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1answer
6k 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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2k views

Ubuntu Server 11.10 interfaces file unreadable

I am configuring ubuntu server 11.10 to go from dhcp to static and whenever I try to restart my networking manager, I get the error: command ran: sudo /etc/init.d/networking restart ...