Questions tagged [dhcp-server]

Dynamic Host Configuration Protocol (DHCP)

The DHCP service is a client/server application that allows "clients" to obtain configuration information (typically for network settings) from a "server".

Questions carrying this tag should focus on the server-side more than the client-side.

540 questions
0
votes
1 answer

DHCP within DNSMASQ not reached for IP address requests

Due to a device loss in the network, a new DNSMASQ configuration has been brought in on a different server. The server happens to be a Raspberry Pi 4B. Many devices are able to obtain IP addresses, but some (Windows 10 devices in particular) are…
Dennis
  • 167
  • 1
  • 12
0
votes
1 answer

Whats the best way to get multiple sites to connect to a central server?

So lets say that there's 4 sites: orange, blue, yellow, and green. (screenshot for reference) Site 1 (orange) is where the central server would be located. this server has AD,DNS,and DHCP servers. whats the most optimal way i can get the other 3…
0
votes
1 answer

Loop do until fails after exception

do { Try{ if (New-Object System.Net.Sockets.TCPClient -ArgumentList $server,3389 ) { Write-Host $server 'Ready for RDP connection'-ForegroundColor Green } } catch { write-warning $error[0] } }until ($? -eq $true) Above script block exit after…
0
votes
1 answer

bootp setup in Linux

We are currently replacing our old HP-UX system which does bootp for some equipment that we use here in our facility. I have the old bootptab file from the unix server and ISC dhcp server installed on the Ubuntu server. There are some things in the…
TL_Arwen
  • 89
  • 1
  • 8
0
votes
1 answer

DHCPd IP dispatch

For my tests, the following was done with 2 virtual machines. The server is under CentOS7 and the client under Windows 10 (MAC : 08:00:27:bd:3d:ab). After every modification on the server side, I perform a release/renew on the client to check if it…
DSX
  • 385
  • 1
  • 4
  • 18
0
votes
1 answer

Enabling DHCP on Linux Host for libvirt VMs

This is a follow up question from here: How to disable default DHCP on virbr0 and obtain IP from DHCP on host I have a Ubuntu server 18.04, with Libvirt based Virtual Machines setup over virbr0 bridge. By default libvirt's default DHCP server…
Haswell
  • 113
  • 2
  • 8
0
votes
1 answer

How to disable default DHCP on virbr0 and obtain IP from DHCP on host

I have a Ubuntu Desktop, with Libvirt based Virtual Machines setup over virbr0 bridge. Currently libvirt's default DHCP server (dnsmasq) provides IP address assignments. root@ngadre-Inspiron-3542:/home/ngadre# virsh net-dumpxml default
Haswell
  • 113
  • 2
  • 8
0
votes
1 answer

No subnet6 declaration for eth0

I keep getting this error in my syslog when I try to start a dhcp6 server. The command I use is. sudo service isc-dhcp-server restart The error I get is: No subnet6 declaration for eth0 (fd30::1:ff4e:3e:0:2c). My ifconfig is: eth0:…
Tommie Jones
  • 101
  • 1
  • 5
0
votes
1 answer

Why is my DHCP client w/ reserved address missing the default gateway?

I'm running isc-dhcp-server on Ubuntu 18.04. Clients without a DHCP reservation are able to get an IP address, subnet mask, default gateway and DNS servers from the pool no problem. As soon as I define a reservation, the client will correctly get…
Kitzy
  • 1
-1
votes
1 answer

DHCP in Azure in case of fail in Onprem

Please confirm can we install DHCP server in Azure. Actually, we want to use this Azure DHCP in case of DHCP fail in Onprem. Please confirm how can we enable the same IP addresses in the Azure by installing the DHCP server in the Azure. Incase of…
Ram
  • 1
  • 1
  • 1
-1
votes
1 answer

VCenter has failed, DHCP server is down

Our VCenter is crashing and technicians are trying to work on it, however this has resulted in the DHCP server failing, therefore none of the machines on the network can connect to the Domain controller or authenticate (except the people that were…
BlooB
  • 51
  • 6
-1
votes
2 answers

An active directory domain could not be contacted

I have this problem with joining client PCs to the domain. I think i did everything right, set up AD DS, DHCP, DNS on my server, turned off the DHCP server on my router. I ensured that the Preferred DNS server on the client computer is the IP of my…
-1
votes
1 answer

AD and DHCP in one server and have 2 diffrent network

I have two lans every one should use individual internet line : First is 10.10.10.0 255.255.254.0 topology: router connected to switches and have one sever connected to same switches server act as: AD, DNS and DHCP server and every thing is working…
-1
votes
2 answers

Can ping server one from client 1, but can't ping client 1 from server

I set up a router on my linux machine as described here. Now I can ping the server/router from my windows client. I can also ping my linux client from my windows client. But I can not ping the windows client from either the server/router or the…
puk
  • 285
  • 1
  • 6
  • 18
-1
votes
1 answer

How to use Server2012 as DHCP and on the same time Ubuntu Server as Gateway for the client Machines?

I want to use Windows Server 2012 R2 as a DHCP for the client computers with Ubuntu server acting as gateway to the internet. I am using VMWare WorkStation. Both machines are installed on it. Windows Server has IP Address "192.168.10.100" and Ubuntu…