Dhcp relay mikrotik not working 2). 0 - the IP address will be chosen automatically: relay-info-remote-id (string; Default: ) I have a strange problem with my mikrotik, where Im trying to configure DHCP relay so it forwareds the dhcp packets to my Windows Server 2019. Unanswered topics; Active topics; Search May 3, 2018 · You can add an input rule for port 67 and it will match the traffic (counters increment) but it does not matter if you have accept or drop, the DHCP server (and the relay) will always work. I have another, separate T-Mobile HOTSPOT SIM that i have in an SXT-LTE6 and it works great with IPv6 configured on the APN, grabbing a prefix and handing out addresses to clients that ask. I have a strange problem with my mikrotik, where Im trying to configure DHCP relay so it forwareds the dhcp packets to my Windows Server 2019. I have an IPSec VPN to a RB750GL, which is also running DHCP relay back to the 10. Skip to content. Unanswered topics; Active topics; Search The MikroTik wiki has no section on the DHCP relay for IPv6. Unanswered topics; Active topics; Search Apr 19, 2011 · MikroTik. 6. There are no defaults showing up. 0/24 that are behind a router DHCP-Relay. Properties I have a strange problem with my mikrotik, where Im trying to configure DHCP relay so it forwareds the dhcp packets to my Windows Server 2019. 43. 254 shows up as well. WHY IS relay thinking that it is dhcp-server? 172. 0 Jun 8, 2019 · Add a DHCP relay on interface wlan1 with dhcp server "172. IP Address Configuration. This example will show you how to configure a DHCP server and a DHCP relay which serve 2 IP networks - 192. Unanswered topics; Active topics; Search Search. 1. 2 . When adding the a DHCP client on interface eoip1 on the network B side it immediately gets a DHCP address. 0/24) from the Windows server but cannot acces the internet and cannot ping mikrotik. The dhcp relay, in turn, is on the same network with the hosts. I input 192. Unanswered topics; Active topics; Search Jun 22, 2006 · When doing a traceroute from network B to the gateway on network A the 2 MT routers do not show as a hop. Ip>Dhcp sercer>dhcp setup. 168. Does any of you have any idea what could be the problem? Here is the configuration of my mikrotik: Search. I tried to sniff the traffic from the Mikrotik and I can see the traffic hitting the interface stack, ether2,bridge,[mgmt|services1], as follows: To do this, you need a DHCP relay on your network which relies DHCP requests from clients to DHCP server. Does any of you have any idea what could be the problem? Here is the configuration of my mikrotik: 6 days ago · The purpose of the DHCP relay is to act as a proxy between DHCP clients and the DHCP server. It would be FortiGate's internal IP address 10. x. RouterOS. 0/24 and 192. The odd part is only one of the vlans quit working, and both configurations look the same from the front end of the mikrotik. 0/16 DHCP relay (and some others) is not working. Unanswered topics; Active topics; Search Hi, The only thing you should need is DHCP Relay configured under the VLAN Interface on the Branch FGT. Unanswered topics; Active topics; Search; Quick links. 5. This example will show you how to configure a DHCP Relay in Mikrotik which serve 2 IP Networks and assign them to a VLAN interface and configure Hotspot for the interfaces – 172. Assigning static IPs to the network B side everything tested works. Forum index. 1" and local address "192. 0/24. Does any of you have any idea what could be the problem? Here is the configuration of my mikrotik: Jan 31, 2024 · The issue here is that the OFFER packet is not picked up by the DHCP Relay server of the Mikrotik. DHCP relay does not choose the particular DHCP server in the DHCP-server list, it just sends the incoming request to all the listed servers. 56. Unanswered topics; Active topics; Search I have a strange problem with my mikrotik, where Im trying to configure DHCP relay so it forwareds the dhcp packets to my Windows Server 2019. local-address (IP; Default: 0. config sys interface <x> set dhcp-relay-service enable set dhcp-relay-ip <server_ip_hq> And you also need the correct pool on the DHCP Server (the IP address of VLAN interface of Branch FGT should belong to the pool). Search. 22. I'm getting the right IP (pool 10. 255. 147 (the interface that faces the DHCP client) and NOT the external IP address 10. Using webfig v5. 1(dhcp-server ip) ? Feb 12, 2018 · As can be seen in the diagram above, the dhcp server is on the same network with the dhcp relay while the dhcp clients are not on the same network as the dhcp server. If set to 0. 10. 2-192. A DHCP relay in IPv6 is fast and easy to configure. 0) The unique IP address of this DHCP relay needed for DHCP server to distinguish relays. Community discussions. Register I have a strange problem with my mikrotik, where Im trying to configure DHCP relay so it forwareds the dhcp packets to my Windows Server 2019. I have set up additional scopes on Windows Server DHCP Aug 7, 2021 · So, by adding the 255. Unanswered topics; Active topics; Search 3) dhcp relay on unnumbered vlan with local-address=bridge_ip 4) ip route client's with gateway to vlan Unfortunately this works only for one vlan, because local-address must be unique. 5 DHCP server. Still no dhcp on eth2 and wlan1. I am less familiar with Juniper. To understand this, let's take a look at just what a DHCP Relay looks like in IPv6. 2nd. Register Search. When the ACX710 is configured as a DHCP relay, and the MikroTik's DHCP Server enabled, we don't see lease requests Search. Does any of you have any idea what could be the problem? Here is the configuration of my mikrotik: May 24, 2008 · I have set the DHCP relay on my mikrotik (10. Unanswered topics; Active topics; Search I'm trying to setup a Wifi extender using a Mikrotik 951G-2HnD connecting to my Home Router(HR). Mikrotik is connected to port 25, but wifi to 27. The Cisco 3560 is the core router and has addresses in all the vlans. I am 100% confident in the MikroTik's configuration. 192. I have set up IP helpers for respective VLANs on the core switch and assigned IP addresses to respective interfaces. Unanswered topics; Active topics; Search May 20, 2021 · A DHCP relay can help you communicate DHCP requests and responses between clients and servers when they're not on the same physical subnet. It would cause no reply if the DHCP server did not have the route to the 10. Jan 31, 2024 · The issue here is that the OFFER packet is not picked up by the DHCP Relay server of the Mikrotik. On the relay, I see the counter incrementing, but no IPs assigned to the clients. 0/0. Unanswered topics; Active topics; Search Hello guys, I have a strange problem with my mikrotik, where Im trying to configure DHCP relay so it forwareds the dhcp packets to my Windows Server 2019. 19. 16. Unanswered topics; Active topics; Search Search… Search. However, in the case of the relay you DO require appropriate forward firewall rules along the path to forward the traffic from the router where the relay is May 17, 2023 · Problem is that the ACX710 is incapable of exporting DHCP Lease files so we're needing to offload DHCP Server duties to the adjacent MikroTik. 57. 241. Aug 16, 2022 · I have a flat network setup that I’d like to split into VLANs. 29. It had been working for years until recently. 1" Connect my phone(s) to the wifi network; Unfortunately, this is as far as I have come The phones don't get a DHCP lease and as such just disconnect. 10. 0. 0/16 DHCP relay is working fine. If I set up dhcp server on mikrotik; obviously this works. I have used Wireshark from the client machine making DHCP Jan 24, 2019 · since DHCP sends broadcast traffic to a vlan it has to be controlled, so by default you just have to assign . When a dhcp request is sent from network hosts, the dhcp relay receives it and forwards the request to the dhcp server. Lyle Torch screenshot is from the router between relay an server, from interface facing relay 1. FAQ; Home. We only do DHCP relay (to the DHCP server in the main office subnet 10. 16) and not administrated by me. We'll spend some time identifying why we need them and how they work Search. 60. The DHCP server is on Windows machine (10. Additional VLANs are on 172. DHCP Relay is not working? Post by Jeanluck » Sat Dec 13, 2014 7 May 24, 2008 · I have set the DHCP relay on my mikrotik (10. DHCP Address Space shows 0. Please help! Search. 2. x network. When I configure the computer’s network card to VLAN 11, it receives DHCP address. and 192. check if your switch has dhcp relay service enable, for my particular model (C9300) i did delete and option that was preventing dhcp to run : no service dhcp Apr 24, 2012 · I am using the setup wizard. There are other local VLANs on that switch using DHCP relay on the RB750 without issue. We have two VLANs on a bridge containing all LAN-facing ports, vlan60 (10. 147 that sends DHCP Discover to the DHCP relay server. 0/16) for vlan60, for vlan99 it's handled by the WiFi controller. 185. Unanswered topics; Active topics; Search The mikrotik 4011 is the dhcp server. Dec 14, 2016 · I need to connect Mikrotik router to Zyxel GS1920/24 switch with 2 Vlans, but I have problem with getting DHCP addresses on port 10. IP addresses of DHCP-Server: This is my first Mikrotik router that I'm building at home and seeming to have some troubles getting DHCP relay working. Unanswered topics; Active topics; Search. 254. Does any of you have any idea what could be the problem? Here is the configuration of my mikrotik: I have a strange problem with my mikrotik, where Im trying to configure DHCP relay so it forwareds the dhcp packets to my Windows Server 2019. Mikrotik VLAN config is working with HP switch but does not work with Zyxel. Most of the devices, including DHCP server are on 10. an ip helper-address to manage dhcp requests out of your vlan. Does any of you have any idea what could be the problem? Here is the configuration of my mikrotik: Feb 14, 2022 · I have a strange problem with my mikrotik, where Im trying to configure DHCP relay so it forwareds the dhcp packets to my Windows Server 2019. Before configurating the DHCP Relay Mikrotik router, it is necessary that the Main Router (Can be any router) has already configured and enabled DHCP Relay. Please help! I'm trying to setup a Wifi extender using a Mikrotik 951G-2HnD connecting to my Home Router(HR). What I’m struggling with is DHCP relay not working. It is useful in networks where the DHCP server is not on the same broadcast domain as the DHCP client. why is relay broadcasting instead of unicasting to 172. Dear Mikrotik, why this restriction? Search. Windows server serves many subnets, my subnet is 10. 1 for gateway and relay show up. And if not to use local-address, dhcp relay does not work for this van. With no configuration I used the Wizard to setup a CPE in Bridge mode, so that I can use HR IPs. 0/24 for this. in the logs of the AP I can see: the following: I have a strange problem with my mikrotik, where Im trying to configure DHCP relay so it forwareds the dhcp packets to my Windows Server 2019. When I check the status of DHCP relay I can see that mikrotik is getting requests but no responses. When using ether1 as a DHCP client it does not get a DHCP address. My problem comes with the devices connected to the Mikrotik, as they're not getting any IP from my Home Router. Quick links. I tried to sniff the traffic from the Mikrotik and I can see the traffic hitting the interface stack, ether2,bridge,[mgmt|services1], as follows: May 3, 2018 · Here's the export. 4(this is relay's ip to the dhcp-server,) 2. 0/24 subnet. 0/16) is internal while vlan99 carries guest WiFi traffic. 255 to the Mikrotik relay, it finally started handing out IP's, but I'm not sure where they are going, the attached image repeats over and over in the log on the MT, but the laptop never receives an IP, and per the DHCP server on the MT, the addresses are all assigned to a MAC of all 0's. Does any of you have any idea what could be the problem? Here is the configuration of my mikrotik: Interface name the DHCP relay will be working on. kfxxxtyhmckpzzlmosbmayyahqzxmaqcivdaiogsgieucqxek