A DHCP server is a program to hand out Dynamic Host Configuration Protocol leases.

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How do I use a single wireless adapter for both an access point and client on raspberry pi?

I have been able to create a wireless access point (on my raspberry pi) using a usb wifi dongle using hostapd on wlan0. What I would like to be able to do is have the access point be on some virtual ...
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DHCP Offer already sent to my local IP address

I entered these commands into Terminal to release my current local IP address and allocate a new one: sudo ipconfig set en0 BOOTP sudo ipconfig set en0 DHCP This is the screenshot of DHCP packets ...
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DHCP messages when connecting to home WI-Fi

I inspected DHCP packets with wireshark. Expected result was to see 4 packets, namely DHCP discover, DHCP offer, DHCP request and DHCP ACK. I only see 3 as indicated by the picture. DHCP discover and ...
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Android is not getting dhcp lease but server offers one

Android is not getting dhcp lease but server offers one. My Linux Mint 17 desktop gets an IP via DHCP (wired network). Do you habe any hints where the problem is possible lying? Where and how should I ...
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I cannot see my devices in my second router

I bought an ADSL Modem router mistakenly because my ISP's modem router is VDSL so instead I want to extend it and make that as my main access point. The reason is that my ISP's modem/router does not ...
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34 views

Old DHCP IP showing in ipconfig /all

I recently migrated a 2003 DHCP database to a 2008 r2. The newly configured workstation will pick up the right IP settings including DNS, DHCP server, and gateway but the old workstations will still ...
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dhcp6 server config problems

I'm trying to configure an IPv6 DHCP server in gentoo. So far: /etc/dhcp/dhcpd6.conf - subnet snippet: subnet6 2001:db8:21e:101::/64 { range6 2001:db8:21e:101::6 2001:db8:21e:101::100; ...
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How to create a wifi hotspot in Windows 7 + redirection to a local webpage?

Before diving into the question, some quick background information: I have built a small experiment which works together with a computer running Windows 7. On this computer, there is a small webserver ...
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Can you have static leases without DHCP?

Is it possible to assign IPs to only those on a static lease list, but not give dynamic IPs to unknown MACs? It seems DHCP is required to have a static lease list?
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Windows Server 2012 r2 DHCP not serving addresses

Yesterday I encoutered a DHCP problem. After windows update and restart, my dhcp won't serve any new IP addresses. The ones wich has been sent before are working but no new IP-s. I tried restarting ...
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DHCP-Enabled Router Sometimes Won't Talk to Host with Static IP

I have a Windows 7 host connected to a router running DD-WRT. The router is running a DHCP server. For reasons I don't need to detail here, I have set a static IP on the host, as opposed to ...
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udhcpd.conf for windows client

I have a embedded board running busybox that I want to use as a wireless file server. It does not connect to the internet. Using hostapd udhcpd and httpd it worked fine with ubuntu 14.04 and 12.04 ...
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931 views

Installing DHCP3 Server

I am having trouble installing dhcp3-server on Kali Linux 2.0. I keep getting the following error Depends: isc-dhcp-common (= 4.2.2.dfsg.1-5+deb70u6) but 4.3.1-6 is to be installed Does anyone know ...
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Why isn't my DHCP server working?

I am trying to setup a DHCP sever with my Raspberry pi, but the service isc-dhcp-server cannot be restarted. Why isn't the service being restarted? ifconfig eth0 Link encap:Ethernet HWaddr X ...
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314 views

What's better RADVD or DHCPv6 for local network with IPv6?

today I got a new router and now I want to enable IPv6 on my network. But the thing is I don't know what the better option is since TP-Link gives me two ways to get IPv6 on my network. The first ...
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Running two DHCP Servers in the same network

I have connected my raspberry pi with a wireless access point and would like to run a DHCP Server on the RPi to assign the IP and gateway correctly. This is because the RPi serves as a gateway to a ...
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Upgrading from isc-dhcpd-4.1.1-P1 to isc-dhcpd-4.3.3-P1

I am looking to update my DHCP servers with failover associations configured, running isc-dhcpd-4.1.1-P1 to isc-dhcpd-4.3.3.3-P1. I found documentation on ISC's site when upgrading from 3.X to 4.X ...
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How to find my DHCP server IP address via a command prompt in Windows?

Linux has easy commands to find the DHCP server IP address via a command prompt. Is there anything for Windows?
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detect DHCP server on a wired network

On Windows 7, how can I check if there is a DHCP server ruling the LAN on which my computer is running ? How to detect its IP address ?
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DHCP Server and WINS Server Sharing Same IP

I have been trying for a couple of weeks now on an Ubuntu system to try and run the machine as both a WINS server and a DHCP server - is there anything that would stop this from working? I just don't ...
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33 views

Setting DHCP server in Linux centos

I am using windows 8.1 I have just finished installing dhcp server. I type service dhcpd configtest, and responds; syntax ok when type "service dhcpd start" it responds by "starting dhcpd : [FAILED]...
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Is it a common practice for a DHCP server to send a hostname to a client?

I've been running a custom staticDHCPd (Python) DHCP server for a couple of years, and in the configuration file I've always added the hostname along with the other data, here's an example ; ---------...
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Windows DHCP server with multiple subnets

I have a Win 2012R2 DHCP Server in one physical network.(All clients have reservations) Now I have to add more clients and therefore I ran out of IP addresses.(Note this are Class B addresses, without ...
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How to Create new scope under super scope in windows using command?

AM trying to create new scope under my exissting superscope. like below +hostname ++IPV4 +++Superscopename ++++newscopes using below command netsh dhcp server add scope <new_scope> <subnet&...
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362 views

Using dnsmasq with KVM

I just installed KVM on a CentOS 7 x64 minimal installation version at home. And I got a problem when the guest is trying to get an IP from the internal DHCP server from KVM (dnsmasq). I already have ...
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isc-dhcpd sanity check fail even though everything looks right

I have a machine in freebsd 8.1 and I am failing to do service isc-dhcpd start it keeps saying "Configuration file sanity check failed" Hint: I copy the /usr/local.rc.d/isc-dhcpd and /usr/local/sbin/...
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Which server is selected by the client if it receives Offer from 2 DHCP servers at a time?

Which server's IP address is selected if the client receives the Offer from 2 DHCP servers (on different subnet) at a time? I searched Google and the answer I got is: which Offer comes first will be ...
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OpenWRT: Set individual DHCP credentials for different clients?

Consider a small network of clients and a router running OpenWRT. All clients are getting their IP informations automatically from the DHCP server of the router. The devices in the network should all ...
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Android dhcp assigning bogus dns server

I've been having problems with Android devices and DNS lookups on my WiFi network, so I've done some digging and found that android is assigning what appears to be a random link-local ipv6 address in ...
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244 views

Creating a DHCP server on a Virtual Machine

i have a Windows 8 machine with PFsense in virtual box. The host have the following nics: Wi-fi Ethernet I have 3 network adaptares on the virtual Machine: Wan (Bridged adapter through host's wi-...
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Both Public and Private DNS not working. How make it work properly without any conflict

I setup private network so I installed DHCP in one of my server. Now my public network DNS is not working. How can I setup DNS for private network with conflict the public network DNS? DHCP Setup. ...
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Reproducible DHCP Addreses

I have a microcontroller based device with a bootloader and an application. The device has one Ethernet adapter. The bootloader uses IP/UDP to flash the application image. The application has a full ...
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Can I seed what DHCP options are offered on my network connection WITHOUT server access

When you get a DHCP address from a DHCP server it comes with options. I want to see all of the options set. Yes, I know that I could bug one of our extremely busy sysadmins and get them listed off to ...
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Is it possible to create network shares with multiple DHCP servers running on the same network?

I am planning on installing Fedora and using Amahi as a Media Server/NAS in my house. I currently have a network with 2 wireless routers, one acts as the DHCP server and the other is just an AP. The ...
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How does DHCP distribute or choose which IP to give within the scope?

There is something strange happening with my OpenWrt firmware. The scope for my DHCP is 100 to 250 in the 192.168.1.* range but the first IP it gave is 192.168.1.189. Is there any reason it started ...
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dhcpd3 not reusing IP for mac

I have an ip range with two ip-addresses defined as follows in my dhcpd.conf: subnet 192.168.1.0 netmask 255.255.255.128 { range 192.168.1.10 192.168.1.11; default-lease-time 600; ...
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Unable to Set up DHCP and TFTP on Ubuntu

I want to transfer my kernel image to beaglebone black, and the guide mentions that I should have already set up DHCP and tftp on the host machine. I have set up the TFTP using: sudo apt-get ...
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IPV6 DHCP server configuration

I'm new to IPV6. I'm trying to configure IPV6 server on my Linux VM using isc dhcp. we have the following content dhcpd6.conf file default-lease-time 600; max-lease-time 7200; log-facility local7; ...
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DHCP REQUEST is getting no response

I am new to dhcp world. I have a device with dhcp client which does not acquired ip address some times. When i started analyzing the dhcp frames through Wireshark i get following two types of frames. ...
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Running DHCP for ipv4 and ipv6 on different servers in the same network

I have a network where ipv4 addresses are assigned via DHCP on the router. The router, however, is capable of routing ipv6 but does not support ipv6 DHCP. Would running 2 DHCP servers (one for ipv4 ...
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Failed to Start DHCP in Linux Redhat, Need Help ASAP

I tried to configure /etc/dhcp/dhcpd.conf file in Linux but it failed as static addressing. How do I fix it? Am I missing any data and is it accurate? I need help. Below is screenshot of my contents ...
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router dhcp config for pxe boot

I want to set up pxe/tftp server in my network. I already have a dhcp server on my isp router wich has dhcp option 60 and dhcp option 240. I nee to know if can i set it up in order to lease pxe info (...
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How to resolve physical device for home LAN's 10.0.1.1?

Main question How can I find out the physical device corresponding to 10.0.1.1 (in my home LAN)? (I tried dig, which gave no physical device info, and nslookup and host, both of which failed. BTW,...
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How the WLAN interface of a home router do to reply DHCP requests just at connection time?

Using VirtualBox I created a VM with the following VirtualBox Network Settings: Attached to: Bridged Adapter Name: wlan0 ... .. . wlan0 is the wireless interface of my laptop, which is connected to ...
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How to disable DHCP on Netgear CG3700EMR-1CMNDS?

I just got a Netgear CG3700EMR-1CMNDS from my ISP. How do I disable its DHCP server? I'm unable to find the setting.
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Will a dhcp server work as VirtualBox guest on a bridged interface?

I do LAN gaming a lot. :) However, the game i´ll host this time will need some dns to "forward" requests to a server inside this lan and i thought: Why not to create a dhcp-server inside a VM so ...
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DHCP misbehavior

ISC DHCP Server is running on Fedora 10. Since it's doing nothing else nobody bothered updating it... I've noticed behavior that looks very strange to me: the DHCP server gets a DISCOVER as broadcast, ...
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578 views

setup Mac Book Wifi interface as Wifi hotspot using specific DHCP option

I want to using my Mac Book as an access point. Besides that I also need to configure its DHCP server to not provide DNS info. For example, Mac Books AP's ssid is "MacBookHotspot". While my iPhone ...
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How to create a dhcpd.conf file

I have followed the tutorial on this page to create an access point on an Arch Linux install. It seems that went mostly ok apart from an error from DHCPD server: Internet Systems Consortium DHCP ...
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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?