Dnsmasq multiple dhcp ranges. d/, one for each interface you want to serve dhcp.
Dnsmasq multiple dhcp ranges The tag system works as follows: For each DHCP request, dnsmasq collects a set of valid tags from active con‐ figuration lines which include set:<tag>, including one from the dhcp-range used to allocate the address, one from any matching dhcp-host (and "known" if a dhcp-host matches) The tag "bootp" is set for BOOTP requests, and a tag whose Apr 26, 2016 · DNS Masq is a great little DNS and DHCP combo server built into most DDWRT images, and available in most Linux distributions. 2. 0/24 LAN - vlan 10 - 192. 10. 50,12h dhcp-range=wifi,192. 254, 255. 50,10. 0/24 - user network 10. 20,192. Mar 19, 2021 · I know this is a non-standard setup and a multi-disciplinary request, but I'm trying to get my PiHole to serve DHCP addresses (and, after that's working, resolve / block DNS queries) on multiple subnets which are on multiple VLANs. My plan is: Create L3 VLANs on switch (VLAN66) Establish virtual interface eth0. So that set:known is implicit. 50,192. 254,24h dhcp-range = interface: The DHCP server in dnsmasq will function as a BOOTP server also, provided that the MAC address and IP address for clients are given, either using --dhcp-host configurations or in /etc/ethers, and a --dhcp-range configuration option is present to activate the DHCP server on a particular network. dnsmasq is providing an ip in range 192. 0 in examples. 254,24h dhcp-range = interface: Apr 24, 2019 · Is it possible to setup one instance of dnsmasq to handle multiple vlans? I have 3 vlans. 0/24 because the request arrive in the interface (the interface of the server that runs dnsmasq) which has an IP in that range. 168. 0/24 for static assignments (known hosts) and 192. 250 Jan 7, 2018 · I use Pi-hole on my rpi3 to serve DHCP for multiple networks. I tried to take advantage of that and tag devices in the DHCP range, but I had no success using the "dhcp-range=set:red" directive. You can find the whole config file used in this article in this GitHub gist. 0/24 - guest wifi 10. As for the multiple DHCP servers, in the past I have had both the ER-X and Pihole serve DHCP with no ill effect. 211. You can do this with below change in your dnsmasq. conf? The main issue seems to be that there's no way of specifying a Feb 15, 2018 · dhcp-range=eth,192. so I commented out that option. Apr 3, 2024 · it would be useful to have a multiple dhcp-range options, usually for VLAN setup. d/, one for each interface you want to serve dhcp. Setup dnsmasq. ☐ Set DNSMASQ to serve original range to eth0 ☐ Set DNSMASQ to serve new range to eth0. 0/24 (this is where Pi-hole is) I have a DHCP relay agent on my router which forwards DHCP requests from VLANs 1, 10, 20, and 30 over to the Pi-hole in VLAN40 Since I use DHCP reservations for all the known devices on my network, they end up with IPs outside of the normal DHCP range. 1,set:known However (from the dnsmasq manpage): When a host matches any --dhcp-host directive (or one implied by /etc/ethers) then the special tag "known" is set. conf file: dhcp-range=ap0,192. x, you need to have an interface in that range. May 4, 2017 · Create a directory for your DHCP leases file: sudo mkdir /opt/dnsmasq. 100,192. May 19, 2017 · 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 interface=eth1 interface=eth2 dhcp-range=192. 0/24 for the guest wifi. 0 and 172. Is there any easy way of doing this within the existing set of options available for use in /etc/config/dhcp - or do I just have to edit /etc/dnsmasq. 187 # This is an example of a DHCP range where the netmask is given. 4. This is needed for networks we reach the dnsmasq DHCP server via a relay agent. 128,192. 3. 0/24 (AFAICS via dnsmasq invoked by NM). is it possible with the current development? thank you. 1 I had option 6 set, but then I was told to run the command dnsmasq -y and I kept getting binding errors. conf and the content from Jul 27, 2020 · Also, please note that instead of the typical range end-address in the dhcp-range definition we are using the static keyword, meaning that dnsmasq will not provide any dynamic IP addresses for the Sep 23, 2015 · Hello, I want to build a router with guest wifi access and have problems with dnsmasq and static/dynamic ranges. 0. Modify the Ironic Inspector blacklisting mechanism so that it supports DHCP relay, since the DHCP requests forwarded by the router will have the source MAC address of the router, not the node being deployed. 1. dhcp-range=set:red,192. Sep 1, 2020 · # Put IP address of DHCP server here listen-address=192. Unless the program itself Dec 13, 2019 · I want to set up dnsmasq to serve DHCP for a subnet to which the router itself is not directly connected to (and so another router will relay the request with option 82 set). conf: # #Disable the DNS server # port=0 # #Setup the server to be your authoritative DHCP server # dhcp-authoritative # #Set the DHCP server to hand addresses sequentially # dhcp-sequential-ip # #Enable more detailed logging for DHCP # log-dhcp # #Set your Nov 11, 2021 · In the OP's case the dhcp-host entry would be the place to set the known tag, like this: dhcp-host=aa:bb:cc:dd:ee:ff,10. Created virtual interface: Oct 9, 2018 · In other parts of the same document, I see the use of the other two private netblocks 10. Both serving the 192. I have dhcp set up using DNSMasq, which looks like this: dhcp-range=interface:eth0,10. Feb 20, 2012 · palimpsest/ dnsmasq/ Configuring dnsmasq to provide DHCP service on multiple network interfaces eth0,192. 10,192. This comes in handy if you want to configure the DNSMasq server as the DHCP Helper (or … Continue reading DNSMasq as a DHCP Relay Target → Jan 26, 2019 · Define a DHCP range with a tag # Apply a tag to a s some DHCP options may be set only for this network. 200 dhcp-range=192. 0/24 and 10. I have these networks: MGMT - vlan 1 - 192. instead of using custom dnsmasq conf files in dnmsasq. 10. 150,12h Specify a subnet for static leases only Modify Ironic Inspector dnsmasq. 250,255. g. The main config file of dnsmasq in Fedora is in the path /etc/dnsmasq. 12. dhcp-range=tag:green,192. I use the 192. d/ to extend the main config, so we are going to create a file in that path with the name dualstack. For instance if you have two wireless interfaces named wlan0 and wlan1, and you want to serve dhcp on them thanks to dnsmasq, you can create two files under /etc/dnsmasq. 66 ☐ Set DNSMASQ to resolve queries from VLAN ☐ Set PiHole to display both subnet queries in dashboard I have: Setup VLAN 66 on the UniFi controller: Installed VLAN package: sudo apt-get instal vlan . 249,24h dhcp-option=eth0,3,10. 30. By default this file contain an entry that permit to add dnsmasq config files in the path /etc/dnsmasq. Feb 21, 2024 · I have configured DHCP on my slackware router with dnsmasq: Code: interface=eth1 listen-address=192. , dhcp-host=[MAC address],[IP address]. 0, 12h)? I don't see why you wouldn't be able to set as many dhcp ranges at whatever range you want. The patch enabling this has merged [ 7 ] . 255. Nov 3, 2016 · A server has two WiFi interfaces, both configured via Network Manager to be hotspots. I found that dnsmasq has options like dhcp-match which can be Jun 18, 2018 · Were you wanting to setup multiple discontiguous DHCP ranges using that syntax? for instance: (dhcp-range=172. conf generation to allow export of multiple DHCP ranges. conf if they belong to a subnet defined in dhcp-range: simply define static leases using dhcp-host (e. 50,24h The default route advertised to all clients is the address of your Dnsmasq server. 0, 12h) and then (dhcp-range=172. 0/24 DMZ - vlan 30 - 192. 0/24 - private mission critical network I want to have use DNSMasq to handle dns caching and dhcp service for all 3 networks. 100,12h To be able to provide ip via DHCP in range 192. You can configure DHCP to assign each zone a different default route: Jun 1, 2015 · There is no need to explicitly define static ranges in your dnsmasq. d folder, it'd be nice if we have it under config files. 0/24 ranges, I discovered they were serving different ranges, the Pihole being low and the ER-X going high. By default, the "managed address" bits are set, and the "use SLAAC" bit is reset. This can be changed for individual subnets with the mode keywords described in --dhcp-range. 0 dhcp-range=interface:eth1,10. 20. Feb 17, 2012 · Alternatively you can also create multiple configuration files under /etc/dnsmasq. BTW, the dhcp broadcast is done on 255. 50. 0/24 GUEST - vlan 20 - 192. d/ to configure each interface: Jul 22, 2015 · I've set option three to specify each gateway as well as the range for each interface: dhcp-range=eth0,10. 1 dhcp-range=192. Connected clients get IPs in ranges 10. 255 (and not 192. With it you can define custom DNS A records: You can also define multiple DHCP scopes. 200 When RA is enabled, dnsmasq will advertise a prefix for each --dhcp-range, with default router as the relevant link-local address on the machine running dnsmasq. 66 for VLAN on Pi Set DNSMASQ to serve original range to eth0 ⁉ Set DNSMASQ to Feb 4, 2019 · You need to specify dnsmasq which interface to use what network. 168 . 150 # Use this DHCP range only when the tag "green" is set. Oct 3, 2023 · Configuration. 42. 0/24 DNS - vlan 40 - 192. 100, 172. 12 Mar 16, 2020 · I'm trying to enable multiple DHCP IP ranges on dnsmasq where IP assignments would be based on clients FQDNs (or domain name parts). However, I can not find the instruction about how to specify either of them to be the default network address for a DHCP Pool. conf. 121,10. 16. ryskddmzydvorsehoxpthafucefwkjcgsfkvndrgdjdcccbnoxxtrodymduperdeioxzqlkiy