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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I use a home network with DHCP enabled and I cant set a static ip
So I'm quite perplexed by this...
I used the basic technique of going to network and sharing center, going to ethernet properties selecting Internet Protocol Version 4 (TCP/ipv4) and selecting an ip ...
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DHCP through VPN not working
Fair warning: This will be a long post because the issue is quite tangled and I am not really proficient with network setups. Here goes:
I have a location where I have recently ungraded the former DSL ...
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Ubuntu PCs are unable to configure with IP address from DHCP server
We are trying to setup VLAN network in our institute. We have Cyberoam firwall (Model CR300iNG) where we have configured VLAN and DHCP server.
When we connect any Ubuntu PC over VLAN network it is ...
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Unidentified Network - Local Area Connection cannot be renewed - timed out while contacting DHCP server
For over a day now, I have been confronted by an Unidentified Network and that dastardly yellow triangle about the connection icon! Below, as you can see, I have attempted various solutions to this ...
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Same PC, Same Router, WiFi gets DHCP IP, Ethernet won't
I have a brand new Asus ZenWiFI XT8 mesh system set up and working ... for the most part!
My main PC has 2 interfaces: Ethernet & WiFi. WiFi is connected and gets an IP from the router. The ...
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What is my LAN card's MAC address?
EDIT: I meant wifi card, not LAN card.
I want to connect wifi devices (printer, phone, etc) to my Windows 10 laptop. I want to used a reserved DHCP address on my router for the wifi card (not LAN ...
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Why would a PC be on a different subnet?
There are several devices connected to my home network, some wired, some wireless. With the exception of one PC, they all have the same subnet mask (255.255.255.0), default gateway (192.168.1.254) and ...
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Snort causing DHCP ACK spam in VirtualBox internal network
I have an internal network (10.10.0.0/24) in VirtualBox which has been configured with a DHCP server using VBoxManage. There are 3 VMs on the network, Ubuntu 16 (10.10.0.2 & 10.10.0.5), Ubuntu 18 (...
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Can’t access router settings after accidentally disabling dhcp server
I had configured my raspberry pi server as a dns override in my router settings with dhcp server enabled. I accidentally disabled the dhcp server instead of the dns override and applied the settings. ...
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Ubuntu can't get IP over DHCP
I want to install Ubuntu 18.04 LTS and I'm using netintall iso for that. It looks weird but during the installation process, the installer can't get an IP over DHCP. In the beginning, I thought that ...
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OpenBSD 6.6 wlan DHCP no link, routing issues
I've been bashing my head against this for a few days so I'm asking for help.
The machine is a Thinkpad using a Intel PRO 2100 wifi card with the ipw driver (https://man.openbsd.org/ipw).
I tried ...
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Public IP address assigned instead of DHCP ip range address
I'm using a second router to connect to my main router to create a new wireless SSID.
Here's my current setup:
First router/main router - Generic branded router is provided by ISP and connected to ...
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No response to embedded system's ARP request after successful DHCP
I've been working to get UDP unicast packets implemented on an embedded system, using a Wiznet W5100S internet offload chip.
Their libraries enable the negotiation of DHCP, and I have successfully ...
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Workaround for two devices with the same IP address on an airgapped network which is using an unmanaged switch where DHCP isn’t an option
So I have two IP cameras and a PC running Fedora 30 on a local network connected together using an unmanaged switch.
The two IP cameras have the same IP address by default and for reasons I won’t go ...
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Arch Linux Install Cannot Enable dhcpcd
I am having problems using dhcpcd. I try running
systemctl enable dhcpcd@enp0s31f6
Returns Unit file [email protected] does not exist. When I try running ip address, it outputs 3 options
lo &...
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Make my LAN independent for local routing (DHCP + static routing) while connected to a cable modem with DHCP which cannot be disabled (ISP)
First of all, I want to say that my knowledge about networking is basic (I'm a web developer, not a net admin :D)
I have a local network composed by:
A cable modem with routing capabilities (Let's ...
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How to carry dhcpd settings over during VMware Workstation upgrade?
The network setup for VMware Workstation appears to get lost time and time again during version upgrades. Since I had it again this morning, I thought I'd finally tap into the wisdom of the hive mind ...
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Steps into trouble shooting DHCP on Windows
We are trying to setup a DHCP Server Client to listen to requests on a specific Ethernet line.
We had IT open the firewall ports for the port 67, and 68. Then using a DHCP Client we've successfully ...
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Setting router subnet mask to 255.255.255.255
My router WAN IP is 10.0.51.132 and subnet mask of 255.255.255.255 and my external IP is something static that is always the same when I write "what is my IP" in google. The WAN IP which is 10.0.51....
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Single client with both a static and a DHCP address
I used my TP-Link AC1750 (Archer) router to assign a static address to my Brother laser printer, but the router assigned a DHCP address also when I rebooted the router. A network scan has it showing ...
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tcpdump doesn't capture DHCP Discovery
I tried to capture DHCP Discovery through the tcpdump:
# ip l | grep enp5s0
3: enp5s0: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000
# tcpdump -ni ...
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Can’t connect to clients on second router after a while, fixed by reboot
I have a wireless bridge in my house and it's openwrt is on 192.168.1.2 (does not have a dhcp server) and uses relayd to connect to 192.168.1.1
I have a Linksys PAP2T ATA adapter (192.168.1.153) ...
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Slaying DHCP on a Debian Jessie virtual server
I have a problem with a Debian Jessie server running as an Intranet VMWare virtual machine.
This machine has been recently upgraded from Debian 7 Wheezy to Debian 8 Jessie (expecting continuing later ...
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Can't get DHCP offers in a bridge network in virtualbox(win10host/ubuntuguest)?
I have tried almost every solution that claims to solve this problem.
Firstly in VirtualBox settings, I changed the network adapter setting to Bridge Network and choose the network interface I am ...
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docker macvlan static ip - yet a dhcp request
I'm trying to run 2 docker containers on my Raspberry Pi with each having it's own static ip address.
So far, I got it working using the macvlan network driver.
But there's this strange behaviour:
...
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DHCP discover not being answered through repeater
I am currently stuck with a fairly crappy router/modem combo from a German ISP. In order to get good WiFi signal in all rooms, I have installed a second access point, using an old router in bridge ...
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Why doesn't my 2nd PC connect to the internet wirelessly?
I use the cable-provided router for wireless without difficulty on one computer (PC 1), but unable to connect with another computer (PC 2) simultaneously. I am unsure what step to take next to resolve ...
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Explicitly setting 'iface inet dhcp' for Ethernet disables the interface
I'm currently using an Ethernet connection, which has no configuration in /etc/network/interfaces, and is (presumably) using DHCP as specified by the router, in order to be assigned an IP address.
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firewall windows server 2012 r2 with DHCP server
under windows server environment 2012 I have a DHCP server and I have a firewall under my machine, the firewall blocks all already. the problem that the DHCP server does not give an address to the ...
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Router doesn't provide/forward DNS server infos running on other machine on the network
I'm trying to achieve the following GOAL
But cannot get to reach my web app via the additional router the same way I can from the raspi onboard WIFI chip Access point.
Raspbian Stretch 9.4
dnsmasq -...
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Tiny windows console_only DHCP server
Looking for %subj% IPv4 tool to use in windows shell script. Need following actions by the shell script runtime:
start listening [on specific interface if posible] DHCP server
DHCP server catch first ...
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Ubuntu not getting ipv6 address automatically
I'm running Ubuntu Server 18.04 and for some reason it's not getting a global IPv6 address on startup. It has a link-local (fe80) address on ens18 (ethernet interface), but not a global one. To get ...
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How to set static IP address to UDHCP client?
I am using udhcp client for an embedded device. I am trying to add a feature to set a static IP, Netmask, DNS, and gateway address.
I am trying to set it through the "-r" argument (request):
/sbin/...
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Change DHCP server from ISP modem to network router
I have an ISP provided DSL modem/router (Archer) that is currently configured as 192.168.1.1 and acts as the gateway, DHCP server, and the DNS settings are also stored there. I also have my own ASUS ...
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Modem and Router on same subnet, but network doesn't work properly
Now I'm looking for more information why do my network file sharing doesn't work properly even if I made router to be part of LAN. I'll explain all my possible changes I can remember. I chosen to ...
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How to identify blank hostname in my network
I share the Internet with my neighbour, but it's mine. He asked me to do it since he couldn't ask for his own (Venezuela's things).
There's an ethernet wire that goes from my router to his house and ...
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Default gateway has the same IP as the DHCP Server
Just out of curiosity, Is it normal for a default gateway to have the same IP as the DHCP server? I am running windows server with no roles installed, My IPs are dynamically allocated by the DHCP ...
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Can't obtain IP with Realtek 8821ae on Ubuntu 18.04
I'm having problems connecting to WiFi. I can see networks, but not connect.
Facts
I can see different networks available, but can not connect
Ubuntu 18.04 (Kernel 4.18) dual boot with windows 10
...
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Can't reconnect to Wi-Fi after disconnecting
I use Arch Linux and this is the command I usually use to disconnect from the Internet: sudo wpa_cli -i wlp2s0 -p /var/run/wpa_supplicant\ GROUP\=wheel/ terminate. To connect again, I use: sudo ...
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Why are my DHCP leases not working?
I am trying to make DHCP assign an IP address to the "PCNEW" node, but it is not working. Can anyone explain why?
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DHClient stops working after resize2fs run
I had a weird issue with my hard drive where the filesystem wasn't occupying the entire partition. After rebooting a couple of times and running resize2fs I fixed this issue, however since doing so I ...
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Windows machines don't work on network, Macs/iOS/Android etc. fine
My small network has wires and wifi. I am experiencing problems with almost all my Win 10 machines, which are able to DHCP themselves addresses, but not subsequently communicate with the gateway/dns ...
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Windows 10 laptop won't join domain but can ping the domain controller
I have a Windows 10 laptop but it is refusing to join the domain controller. This is the result of my ip config / all (I obviously hid the domain to protect security).
As you see there is no primary ...
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windows task scheduler event on external ip change
UPDATE 2 : i came up with this script :
@echo off
nslookup myip.opendns.com resolver1.opendns.com | Find "Address:" | Find /V "208.67.222.222" >IP_1.txt
nslookup myip.opendns.com resolver1....
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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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Openwrt lan configuration dhcp bogus ip addresses given
When I configure my network to use an IP address other then 192.168.1.1 connecting devices are given a bogus IP address such as 169.254.5.54. Am I missing a configuration setting somewhere that would ...
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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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After Reconfiguring DNS, ISP's "Enhanced Error Page" Still Shows
After I configured my router to use openDNS's nameservers I went to test it out by going to a random website that doesn't exist.
Much to my surprise, my ISP's catch page showed up offering me their "...
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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 ...