Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [dhcp]

the Dynamic Host Configuration Protocol (DHCP) is a network protocol that automatically configures clients (or hosts) on the network, such as IP addresses and networking parameters. Questiosn include the Pi acting as a DHCP server or client.

337 questions
8
votes
2 answers

Forcing DHCP to release and renew and use a reservation?

I am able to ssh into my new RPi. One of the things I like to do to my infrastructure devices is to go ahead and convert their DHCP assignment to a reservation. My router is a CradlePoint Firmware Version : 2.0.0, 2012/04/16 WiMAX Version :…
Cade Roux
  • 2,107
  • 5
  • 23
  • 27
5
votes
4 answers

Disabling DHCP Server

For some strange reason, my Raspberry Pi is acting as the DHCP server on my home network. Whenever a computer boots up in our house, it's immediately told that the IP address for the DHCP server is my Pi. I don't know if there's some way to prevent…
sctjkc01
  • 306
  • 1
  • 3
  • 10
4
votes
3 answers

Default content of /etc/dhcp/dhclient.conf from Raspbian

Could some kind soul please post the default content of the dhclient.conf file from /etc/dhcp/ as I've managed to delete mine :/
jdtanner
  • 43
  • 1
  • 1
  • 3
4
votes
1 answer

Starting ISC DHCPv4 server: dhcpdcheck syslog for diagnostics. ... failed!

ISC isnt running, heres everything I can give you: Startup: pi@wtfwifi:~ $ sudo service isc-dhcp-server start Job for isc-dhcp-server.service failed because the control process exited with error code. See "systemctl status isc-dhcp-server.service"…
gido5731
  • 71
  • 1
  • 2
  • 10
3
votes
1 answer

Too many dhcpcd "router available" message in the syslog

I'm visiting my relative's house during this holiday. I bought my Raspberry Pi 3 and other gadgets. The Pi is a media server and a wifi router to share the internet in the guest room. Everything is working, but I noticed syslog kept recording the…
Chihaya
  • 84
  • 1
  • 9
3
votes
1 answer

Why am I not receiving a DHCPOFFER, RaspberriPi, DHCP, Linux

Current setup are 2 "RaspberriPi 3" models On the first one I am trying to establish an ad-hoc network with the following commands ifconfig wlan0 down iwconfig wlan0 mode ad-hoc iwconfig wlan0 essid RPInet ifconfig wlan0 10.0.0.200 netmask…
wa112
  • 35
  • 6
2
votes
2 answers

Remove static IP and Enable DHCP?

Raspberry Pi-3 running Stretch. There are dozens of posts here and on other forums about how to set a static IP for the Pi. My problem is the other direction. I have several Pi's, esp switches and a couple of computers on my home LAN. Since an IP…
user3573562
  • 289
  • 2
  • 6
  • 15
2
votes
0 answers

dhcpcd: Can't assign IP

I have recently changed my network configuration. One of the things I changed was the DHCP server, which was previously in the router. I am seeing the following messages in daemon.log: Jan 25 15:21:11 octopi dhcpcd[1025]: eth0: rebinding lease of…
Mario Camou
  • 121
  • 2
1
vote
2 answers

cannot connect to the internet - stretch

I am trying to get my pi 3B+ (stretch) back online but it does not work anymore. it was working until last week. plugging a windows PC on the same ethernet plug and using the same settings works. I cannot use dynamic IPs. the ethernet cable works,…
livio
  • 19
  • 3
1
vote
0 answers

RPi + eth-usb adapter + isc-dhcp-server

RPI3, Raspbian, dhcp server (isc-dhcp-server) I have a device connected to RPi3 directly through usb-ethernet adapter (I need 2 ethernet ports: 1 eth by RPi3 and 1 by usb-eth adapter) But I cant see my device! Device is working 100%…
MMM
  • 11
  • 1
1
vote
2 answers

Pihole still making DHCP leases for hosts which have a static DHCP lease

I have some hosts on my network that I want to always have the same IP address therefore I set them up under the static DHCP lease section within the pihole configuration. I then delete the existing lease that host has, and then restart the host.…
dalanmiller
  • 159
  • 11
1
vote
1 answer

DNSmasq error: dnsmasq[1122]: Too few arguments

DNSmasq status shows on Raspberry pi 4: Jan 18 17:05:13 raspberrypi systemd[1]: Starting dnsmasq - A lightweight DHCP and caching DNS server... Jan 18 17:05:13 raspberrypi dnsmasq[1112]: dnsmasq: syntax check OK. Jan 18 17:05:13 raspberrypi…
Herondas
  • 21
  • 5
0
votes
1 answer

Can't get isc-dhcp-server started

I'm trying to get a DHCP server running on a Raspberry Pi 3 Model B. I've followed instructions in several guides I've found and keep seeing the same error when I try to start the server: root@killarney:/etc/network# service isc-dhcp-server…
HankB
  • 149
  • 5
0
votes
1 answer

Syslog flooded with messages: dhclient: DHCPREQUEST on eth0 to 192.168.11.1 port 67

My syslog is filled with: Jun 27 10:20:08 pi dhclient: DHCPREQUEST on eth0 to 192.168.11.1 port 67 Jun 27 10:20:19 pi dhclient: DHCPREQUEST on eth0 to 192.168.11.1 port 67 Jun 27 10:20:30 pi dhclient: DHCPREQUEST on eth0 to 192.168.11.1 port 67 Jun…
naught
  • 1
  • 3
0
votes
1 answer

Cannot connect to DHCP server running on the rpi

I'm trying to set up my raspberry pi as a VPN Gateway following this tutorial: http://blog.frd.mn/raspberry-pi-vpn-gateway/ I'm using another WLAN-adapter but that shouldn't matter. So at the end I get all the services (hostapde, isc-dhcp-server,…
Thomas
  • 171
  • 7
1
2