All Questions
Tagged with dhcp-server dnsmasq
20
questions
0
votes
1
answer
81
views
Change DHCP range and tcpip connections
I want to change the dynamic range of my DHCP server for a network e.g. it is at the moment from 192.168.0.2 to 192.168.0.100 I want to move it from 192.168.0.101 to 192.168.0.200 but I don't want to ...
- 13
1
vote
0
answers
147
views
libvirt and dnsmasq does not allow to start Kea DHCP server
I have libvirt installed which instantiates dnsmasq process per each virtual bridge interface, e.g. virbr0, however for some reason I can't start kea-dhcp server on other interfaces in the system, ...
- 259
0
votes
0
answers
2k
views
dnsmasq DHCP not working, not replying to DHCP requests
I have setup dnsmasq as DHCP server on a CentOS VM, however it is not replying to DHCP requests. What could be the issue? Following is the configuration and tcpdump logs.
interface=ens224
listen-...
- 101
0
votes
1
answer
2k
views
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, ...
- 188
1
vote
1
answer
2k
views
DNSMASQ Not recieving DHCP requests/ DNSMASQ Not sending
I have a Fedroa 31 BOX that I'm trying to use as a dhcp server. It doesnt appear to be functioning. I have used dhcping 192.168.1.xxx where xxx is ip address of server and the output is always no ...
- 11
1
vote
1
answer
17k
views
Force client to send DHCP options to next-server
We currently have clients connecting to a DHCP server when asking for an IP. We then redirect to next-server with some additional options.
The next server has a DNSMASQ running that should be able to ...
- 141
2
votes
1
answer
4k
views
DNS server information not provided to DHCP clients by dnsmasq
I am trying to utilize a Raspberry Pi with Raspbian Stretch (Linux) so provide additional network monitoring and also routing capabilities. To this end I have the following setup:
Internet router [...
- 21
1
vote
2
answers
3k
views
How to serve custom DNS server to DHCPv6 clients in OpenWRT?
How to serve custom dns to dhcp clients in openWrt? explains how to serve custom DNS server for DHCP clients on IPv4.
But how to do it for IPv6? I tried adding DNS server's IPv6 address but it doesn'...
- 127
0
votes
1
answer
66
views
What are the priorities when assigning IPs?
When deploying dnsmasq in order to server both DNS and DHCP I have a hard time understanding the priority of various settings.
The network, DHCP-wise, is composed of various devices:
the ones which ...
- 3,687
3
votes
1
answer
2k
views
Linux DHCPv6 server for PD on ppp interfaces
I need to configure prefix delegation on PPPoE. What is the best DHCPv6 server implementation for this? So far I checked the following:
isc-dhcp-server - doesn't work with PPP interfaces
dibbler - ...
0
votes
1
answer
8k
views
Multiple subnets with dnsmasq
I've done some research on dnsmasq and its ability to DHCP several subnets, but it sadly only seems to work when there are multiple interfaces as shown in the configuration below:
interface=eth0
...
- 123
0
votes
1
answer
267
views
Ghost MACs roaming my network
I'm using a router with dnsmasq providing dhcp services. From some time my laptop is not getting assigned IP. The router complains:
May 13 08:16:01 dnsmasq-dhcp[432]: DHCPREQUEST(br0) 192.168.1.234 ...
- 121
4
votes
1
answer
10k
views
dnsmasq not responding DHCP requests that don't follow a DHCP discover
I have an instance of dnsmasq running on network namespace X, and I run dhclient (or any other dhcp client) from within network namespace Y to obtain an IP address on a given interface. The two ...
- 235
0
votes
0
answers
42
views
How to ask dnsmasq to not allot few IPs
I am running DHCP server using dnsmasq. My DHCP server is configured to provide IP address from a subnet (say 192.168.49.0/24 with a gateway ip of 192.168.49.1)
What i now want is that the DHCP ...
- 113
4
votes
1
answer
3k
views
Does a Windows host correctly interpret dnsmasq parameters?
I have a network of Windows 10 machines served (DNS and DHCP) by a dnsmasq instance on a Ubuntu server (Ubuntu 15.10, dnsmasq 2.75). The setup basically works (dnsmasq provides addresses and manages ...
- 3,687