Questions tagged [dhcp]
Dynamic Host Configuration Protocol; allows computers on the same network to automatically obtain unique IP addresses and other network configuration parameters.
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Getting DHCP to issue an address to Windows 7 Embedded
I have 3 Windows 7 Embedded: Standard machines running on my network. The network is managed by a Domain Controller running Windows Server 2016 Standard. The Domain Controller is running DHCP and DNS. ...
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Intermittent failure of IP address provision after moving to new AP router area on same network
I have a modem/router connected via PowerLine Ethernet to 3 different routers working as AP devices across our home. Occasionally (and especially when walking between different AP areas) the new, ...
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DHCP Client Remote Access
I'm looking for a way to get Remote Desktop Access to my DHCP Client Laptops which doesn't have an internet access(This network is inside my office).
Now, I'm trying to access a particular client ...
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dnsmasq: Give own DHCP client higher priority?
I would like to use dnsmasq and pihole to create a DHCP server which propagates the DNS server to the clients.
I already did it with IPv4: I disabled the DHCP in the router, setup DHCP in dnsmasq and ...
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Setting up an external DHCP server causes Huawei B310 to stop responding
I have moved houses, and thereby internet providers. Choosing a 4G connection rather than a landline, I bought a Huawei B310 for my home network. My LAN is unusual in that I run my own DHCP and DNS in ...
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Change IPv4 settings automatically when AP changes
Is there a way to configure an adapter's IPv4 settings (IP address, gateway, DNS) to change per Access Point (either wireless or ethernet) instead of having them fixed by adapter only?
I'd feel ...
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raspberry ap dchp
Hi to all I've made an access point with my raspberry pi and it work flawless but when i install and configure dnsmasq to redirect i receive errors and the ap not work anymore...
if dnsmasq is active ...
user542183
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How can a dhcp client in linux can send a custom option?
I need a DHCP client to send a string to the server as part of the DHCP request. I have tried setting DHCP options in the client, but they are not being sent during the initial DHCP handshake.
The ...
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One computer, Two LAN adapter, Two IP's in same subnet with DHCP
I have problems with networks. Troubles started when the ISP (Fiber) provided the same subnet for both lines. eth0 78.56.xxx.xxx eth1 78.56.yyy.yyy
@:route -n
Kernel IP routing table
Destination ...
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OpenVPN: dhclient fails
If I start the openvpn client and then run dhclient tap0 to obtain an IP address, everything works fine.
When the same command is called by openvpn from a script (up option):
#!/bin/sh
/sbin/...
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D-Link WAP connected to Gateway (with DHCP) not working
I have connected a D-Link DAP-1360 wireless access point via ethernet cable to my Huawei HG655b gateway/DHCP server. Devices cannot connect to the internet via the AP: my Samsung phone cannot connect ...
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Trying to access device in different subnet via linux hostapd access point
First I apologize if my knowledge of networks is humorously lacking. I appreciate any and all feedback!
I turned my raspberry pi into a private wireless access point using hostapd on my wlan0 ...
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Wifi connected with good signal but internet stops working until reconnect
I realize this is a common question.. but the answers dont seem as common sadly.
I have a TPLink WR1043ND v1 router, which has been holding up pretty well given its age. However since the last one ...
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How to setup a Zyxel router in Bridged mode?
I'm attempting to connect a Zyxel VMG8324-B10A to the Modem/Router supplied by my ISP and to use it in bridged mode. The wireless functionality of the ISP provided router is rather poor.
All ...
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busybox' udhcpc can not be killed
On an linux device using busybox I use the following /etc/network/interfaces
...
# Wired interface eth0 is using dhcp, enabled while system start
auto eth0
iface eth0 inet dhcp
pre-up [ -n "$(cat ...
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udhcpd instance reports address already in use
I am attempting to setup a dhcp server, using udhcpd as the dhcp server.
Background info:
Following a tutorials for configuring a dhcp server (for Raspberry Pi AP's e.g. here and here and here), I ...
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Configure two DHCP relay agent in same Vlan
Based on a recent issue I encountered, I'm raising the question. Say you have a VLAN that spans between a few switches, but there are two VLAN IP interfaces at two different places in the same area, ...
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Creating DHCP on Virtual Box with windows 2012 server running
I'm trying to set up a DHCP server inside a Virtual box running Windows Server 2012, I'm having trouble completing the configuration of the DHCP server.
I've allowed echo requests inside the firewall, ...
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Unable to bring network interface eth0 back up after changing mac address with macchanger
I couldn't find an answer for my issue, so I'm posting this.
I'm using Kali linux and when I successfully change my mac address using macchanger, I'm unable to bring my network interface eth0 back up....
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How do you identify if Network Preferences are set to Manual IP address or DHCP in terminal
I'm managing about 20 Macs and I'd like to quickly determine if the network preferences are correctly set to have a static IP address or (incorrectly) using DHCP. Is there a way to run a query through ...
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DHCP Server Issuing same IP address to client
Greeting Guru's
I am using CentOS DHCP and DNS Server. Recently, I have notice that the DHCP Server has been issuing multiple IP Address to same client (Phone/Laptop). This has caused IP Conflict in ...
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How to disable Wireless Hosted Network's DHCP Server?
My Network Setup
I need to disable the DHCP Server that starts with the wireless hosted network when executing the cmd "netsh wlan start hostednetwork".
Why? Because I have my own DHCP server that I ...
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No network Connection Over Ethernet
We have a Windows Server 2008 R2 which is our DHCP server.
On Friday all machines were connected without any issues.
After coming in today there are three machines which cannot connect to the ...
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How to achieve same IP reservation with WiFi Range Extender
I am trying to understand how WiFi Range extenders work at setup level.
I am going thru the specifications and user manuals available on manufacturer websites and it’s adding to my confusion.
I ...
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How to send DHCP server a different hostname than the machine's static host name?
I'm using an at-home-type wireless router as the DHCP server for my desktop, with said router's management console showing the host names of the connected machines. If I put send host-name "AAA"; ...
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How to share files to devices connected between router 1 & router 2
Hardware:
Huawei HG8247 (router 1) - router & modem combo.
Linksys EA6900 (router 2) - router with 4TB hard drive attached.
Goal:
Share hard drive files to a laptop connected to router 1 via ...
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Wifi access point no internet connection
Situation
There's a intranet with access to the internet. However, you can only gain access to this network, and therefore the internet, if your device has a whitelisted MAC address. This is no ...
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Unable to receive IP from DHCP when using ICS on Local Area Connection
The computer fails to get the IP from DHCP when I set internet connection sharing in on. (The network reads "Unidentified Network".)
I have to manually turn it off and then connect again to get an IP ...
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Hardcoding dns adresses in dependance to network
I would like to save permanently dns addresses.
According to link I added in
/etc/dhcp/dhclient.conf
proper line and in my home network everything works great.
Problem is that when I am at my ...
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On Debian jessie, can I specify which dhcp client is used for a particular interface?
I use the /etc/network/interfaces file on Debian to configure my network interfaces with DHCP. The relevant section looks like this:
allow-hotplug eth0
iface eth0 inet dhcp
allow-hotplug eth1
iface ...
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Why is dhclient ignoring dhclient.conf?
I have the following problem I want to solve:
I have multi homed system running linux, with three interfaces. All interfaces are configured by dhcp. The DHCP client is ISC dhcp 4.2.5
The DHCP server ...
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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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DHCP categorise IP leases
I would make a major upgrade in my home network environment. I have a dlink 655 router. On this router All the DHCP will be happening. Also I will have 3 additional APs.
I would like somehow to ...
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IP release and renew return the same IP on a new LAN with different IP scheme
Something strange I've encountered for the first time. Windows 7 PC was movied from one LAN to another and still kept getting the same IP address from DHCP as it did at old LAN location. For example,
...
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Hostname won't resolve after setting up new server
I just completed a fresh install of Centos 7 on a PC. It is connected to the campus network, so I am not in control of the DNS server. I gave it a hostname by setting the HOSTNAME value in /etc/...
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Wifi stops working after a while unless I renew DHCP (MB Pro Retina, Late 2013)
It started a while back. I think it happened when I updated to Yosemite, it happened when I updated to El Capitan. Wifi works fine for less than half an hour, then it stops working. It doesn't get ...
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Watchguard firewall with DHCP
I have a watchguard with the ip address of 192.168.1.254/24 (DHCP disabled) and all the user will get IP from Window 2008 DHCP Server [192.168.1.2 to 192.168.1.250] /24. Now I need to increase network ...
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Pass the ISP DNS to your DHCP clients on OpenWRT
Basically I need my DCHP clients to have their DNS pointing to the ISP ones rather than pointing to the OpenWRT/Router's IP.
On (latest) DD-WRT, you can check the option to disable DNSMasq local DNS, ...
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AP client mode DHCP
i got a Netgear WN604 which i want to use in client mode to provide internet connection to multiple wired pcs and powerline extenders but i got troubles with DHCP ip assignment.
Let me explain:
The ...
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Win7: PC with static IP address still requesting DHCP address
I've some PCs in my LAN, mostly Win7, to which I've configured a static IP address.
Neverthless, on my DHCP server (pfSense) I see those computers with a freshly created DHCP lease! And even if I ...
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ISC DHCP Spamming /var/log/messages
I recently setup a Linux box to run a DHCP server. One of the prerequisites was to get all of its log messages onto a specific file outside of the /var/log folder. For that purpose, I inserted the ...
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Ubuntu 12.04.5 erroneously applies static IP to all interfaces
First, I'll start by saying this is a virtual machine in VMWare Player and I’m using Ubuntu 12.04.5 instead of the newest version of Ubuntu because it’s being used in an educational environment to ...
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How to find DHCP server while configured with the static IP
I'm doing a lot of the weird remote management, due to the specific network configuration, I often need to switch a client from static to the dynamic address. In couple cases the third party DHCP ...
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Can not connect to the internet from fresh install windows 10
So I reformatted a existing computer (Which was on win7) with Win10. I can not for the life of me connect to the internet though. I have tried the following:
/release
/renew
Tried setting my ipv4 ...
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2 APs over Powerline Network within same IP subnet cannot see eachother?
I am having issues setting up my home network using powerline adapters.
My Setup
I have a Gateway, a Router, 3 Powerline ethernet adapters, and a Powerline Wifi Unit (TP-Link TLWPA4220).
All of the ...
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Linksys EA6500 and Android DHCP
Situation: I have a Linksys EA6500 v2 Wireless-N router. About 2 months ago, I had to perform a factory reset because my ISP refused to accept that my router wasn't the issue with my Internet access. ...
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Win7 load balancing over 2 default gateways and 1 interface
This is a scenario I've been working on lately: My PC has 1 NIC connected to a 192.168.100.0/24 network. This network has 2 gateways to the Internet, namely .1 and .254. Now I want to get to the ...
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Multiple virtual network adapters with their own MAC address and external IP address from the DHCP in Windows
I have been searching for a long time on this forum, and although there are many questions about the topic, I wasn't able to get a concrete solution to the problem.
I want to have multiple IP ...
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Win 7/8/8.1 create wireless open/WEP network - any possibilities?
I have a very old (2003) equipment that has Aironet/Cisco 350 network adapter on board (no WPA/WPA2, only open/WEP authentication). I need to connect it with PC (Win 7/8/8.1) without external access ...
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IPv6: Cannot reach outside of LAN (OpenWrt Router connected to ISP Router through Wi-Fi)
Hello dear server expert, I would like to ask for you help for my installation.
I have a Freebox Revolution (I am French and my ISP is Free).
The box provides IPv4 and IPv6. Every computer connected ...
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