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Questions tagged [dhclient]

dhclient is the DHCP client for Linux and UNIX, created by the Internet Software Consortium. It is used to configure network interfaces using DHCP or BOOTP protocol, or can be used to assign static configurations.

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DHCP clients: Where is the hostname going to come from

We are building a private cloud here, VMs have at least 2 NICs, sometimes 3 or 4, each may be statically configured for IPv4 and/or IPv6 or be configured by DHCP or a combo of the two. Yes it's a mess, but this is the design I have to work…
Ira
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Configuring linux to be visible in microsoft DNS domain

I've been trying to have one of our linux box available in the windows domain. The linux box is a ubuntu server without gui or X installed. All manipulations are done from ssh. Linux box: hostname: cactus fqdn: cactus.example.com ip:…
Loïc Faure-Lacroix
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How to override the network DHCP Server settings to be specific to my own .conf file?

Basically, I have want to test out WPAD(Web Proxy Autodiscovery Protocol ) , PAC. But I would like to do it without touching the Network DHCP server. So, can you suggest a way in which I can achieve that. Will changing the local /etc/dhclient.conf…
rahulg
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DHCP issue in our network, could it be hidden 2nd DHCP server?

Something weird happened today. We have a TP-LINK wifi router in our office distributing a pool of IPs 192.168.80-200. There are some windows and some linux boxes. One of the linux boxes (CentOS) today booted up with IP 192.168.25.X. I tried…
Ivan Petrushev
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dhclient and link local address

I am doing a "dhclient" on one of the network interface which is in UP state. There is no DHCP server running in the network on which this node is present. So the questions are Will dhclient try to set up a link local address for that interface. If…
Vivek Maran
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dhclient requests filling memory?

Dammit Jim, I'm a web developer, not a sys admin. With that out of the way, my client's has a CentOS server (6.2) that is only serving a single Magento site (and the associated MySQL server) and it is frequently running out of memory, despite the…
shanethehat
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dhclient append settings from multiple DHCP servers

I have a server with two interfaces connected to two separate networks, using DHCP for both. When dhclient is writing /etc/resolv.conf, I would like it to append settings that aren't already there. For instance, if I receive from one DHCP…
Brian
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VMWare Workstation w/Ubuntu 10.04 Server: DHCP Issues

Hey all. Bit of a possibly simple DHCP issue with my Ubuntu 10.04 Server (VMWare Guest). When I sudo dhclient eth0 it sends out plenty of DHCPDISCOVERs but doesn't get any DHCPOFFERs back from the router. Ping commands at this stage show connect:…
user41758
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DHCLIENT.CONF System variables

I've just a little question. My DNS Servers are updated by our DHCP Server (Microsoft Windows 2003 R2 SP2). My clients are Debian Linux Distro's, and I have to modify my DHCLIENT.CONF file on it to send his Full Qualified Hostname. BUT I've about…
Dr I
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How to configure IA_PD prefix length with dhclient?

My home internet connection is going through a router provided by my ISP. It gets a ::/56 ipv6 prefix assigned dynamically by my ISP every night. Behind that router I have a debian bullseye box for subnet management and firewalling etc. It also…
t11n
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Shouldn't dhclient confirm its lease after a carrier loss?

I'm investigating an issue with a Ubuntu server acting as the Internet gateway for a branch office stopped working after being switched to a new Internet connection. The IP address on the external interface is acquired from the ISP router via…
Tilman Schmidt
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isc-dhcp dhclient request address endless loop

when a Linux Mint 20 virtualbox VM requests the network config to the home LAN router DHCP through isc-dhcp client with the stock /etc/dhcp/dhclient.conf config file everything runs fine: (BTW 192.168.0.1 is the main router - Sercomm H500-s - with…
peris
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Request an address from a range of IP-addresses using dhclient dhcp-requested-address

I am in a situation where I need myDevice (ubuntu), when connected to router, to have any IP address in the range of 192.168.1.20 to 192.168.1.40. I am aware that adding the line send dhcp-requested-address 192.168.1.20; to the file…
daedalus_hamlet
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Internet drops on Ubuntu ISC-DHCP-Client networking

i am having issues with the network connectivity on Ubuntu server 16.04. I am connected to Verizon Fios via Ethernet (it's defined as dhcp on the /etc/network/interfaces file.) The DHCP Client that I am using to connect to them is DHCP-ISC-Client,…
Maruan Awad
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Debian Server: DHCP keep IP on reboot

I've a Debian server running with some static IPs and a public IP, all provided by the same ISP on a FTTO connection. Now I've noticed if I unplug the cable between the server and the ISP ONT/ONU and reconnect it my machine still has the same public…
TCB13
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