Dhcp relay mikrotik not working an ip helper-address to manage dhcp requests out of your vlan. Mikrotik VLAN config is working with HP switch but does not work with Zyxel. Mikrotik is connected to port 25, but wifi to 27. Please help! Search. 168. 0/16) is internal while vlan99 carries guest WiFi traffic. Search. 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. 60. If I set up dhcp server on mikrotik; obviously this works. 6. Lyle Torch screenshot is from the router between relay an server, from interface facing relay 1. 1. 0. 0/24 that are behind a router DHCP-Relay. To understand this, let's take a look at just what a DHCP Relay looks like in IPv6. and 192. 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. The odd part is only one of the vlans quit working, and both configurations look the same from the front end of the mikrotik. 241. 147 that sends DHCP Discover to the DHCP relay server. 5 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. 22. I am less familiar with Juniper. 0/16) for vlan60, for vlan99 it's handled by the WiFi controller. Unanswered topics; Active topics; Search Apr 19, 2011 · MikroTik. 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. The dhcp relay, in turn, is on the same network with the hosts. I have set up additional scopes on Windows Server DHCP Aug 7, 2021 · So, by adding the 255. 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 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. 2). 147 (the interface that faces the DHCP client) and NOT the external IP address 10. 1 for gateway and relay show up. There are no defaults showing up. 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. 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. It had been working for years until recently. Ip>Dhcp sercer>dhcp setup. 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. Community discussions. Unanswered topics; Active topics; Search I'm trying to setup a Wifi extender using a Mikrotik 951G-2HnD connecting to my Home Router(HR). Most of the devices, including DHCP server are on 10. 2nd. Still no dhcp on eth2 and wlan1. 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. There are other local VLANs on that switch using DHCP relay on the RB750 without issue. 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 . If set to 0. I have an IPSec VPN to a RB750GL, which is also running DHCP relay back to the 10. Unanswered topics; Active topics; Search; Quick links. 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. 0/24) from the Windows server but cannot acces the internet and cannot ping mikrotik. x network. FAQ; Home. 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. 255. WHY IS relay thinking that it is dhcp-server? 172. Dear Mikrotik, why this restriction? Search. RouterOS. why is relay broadcasting instead of unicasting to 172. 56. 2 . The Cisco 3560 is the core router and has addresses in all the vlans. Assigning static IPs to the network B side everything tested works. Unanswered topics; Active topics; Search The mikrotik 4011 is the dhcp server. What I’m struggling with is DHCP relay not working. With no configuration I used the Wizard to setup a CPE in Bridge mode, so that I can use HR IPs. 4(this is relay's ip to the dhcp-server,) 2. When I configure the computer’s network card to VLAN 11, it receives DHCP address. 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. When I check the status of DHCP relay I can see that mikrotik is getting requests but no responses. 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. Unanswered topics; Active topics; Search Search. When a dhcp request is sent from network hosts, the dhcp relay receives it and forwards the request to the dhcp server. 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. Unanswered topics; Active topics; Search Hi, The only thing you should need is DHCP Relay configured under the VLAN Interface on the Branch FGT. We only do DHCP relay (to the DHCP server in the main office subnet 10. Forum index. 10. My problem comes with the devices connected to the Mikrotik, as they're not getting any IP from my Home Router. 29. Does any of you have any idea what could be the problem? Here is the configuration of my mikrotik: Search. I am 100% confident in the MikroTik's configuration. 16) and not administrated by me. 254. 0/24 subnet. 19. 43. We have two VLANs on a bridge containing all LAN-facing ports, vlan60 (10. When the ACX710 is configured as a DHCP relay, and the MikroTik's DHCP Server enabled, we don't see lease requests Search. 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. Quick links. DHCP Address Space shows 0. 192. Please help! I'm trying to setup a Wifi extender using a Mikrotik 951G-2HnD connecting to my Home Router(HR). 5. 0/16 DHCP relay is working fine. Unanswered topics; Active topics; Search The MikroTik wiki has no section on the DHCP relay for IPv6. Skip to content. 254 shows up as well. 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. We'll spend some time identifying why we need them and how they work Search. 185. 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. 0/24. 2. I input 192. 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. 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. 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. Windows server serves many subnets, my subnet is 10. And if not to use local-address, dhcp relay does not work for this van. The DHCP server is on Windows machine (10. 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. 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. When using ether1 as a DHCP client it does not get a DHCP address. 0 Jun 8, 2019 · Add a DHCP relay on interface wlan1 with dhcp server "172. A DHCP relay in IPv6 is fast and easy to configure. 10. It would cause no reply if the DHCP server did not have the route to the 10. This example will show you how to configure a DHCP server and a DHCP relay which serve 2 IP networks - 192. 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. Unanswered topics; Active topics; Search Search… Search. local-address (IP; Default: 0. 1" and local address "192. 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. 0/24 and 192. I have set up IP helpers for respective VLANs on the core switch and assigned IP addresses to respective interfaces. 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. 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. 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. x. 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. Additional VLANs are on 172. Jan 31, 2024 · The issue here is that the OFFER packet is not picked up by the DHCP Relay server of the Mikrotik. It would be FortiGate's internal IP address 10. 0) The unique IP address of this DHCP relay needed for DHCP server to distinguish relays. 0/24 for this. 57. I'm getting the right IP (pool 10. Aug 16, 2022 · I have a flat network setup that I’d like to split into VLANs. When adding the a DHCP client on interface eoip1 on the network B side it immediately gets a DHCP address. 0/0. 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. 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). On the relay, I see the counter incrementing, but no IPs assigned to the clients. 0/16 DHCP relay (and some others) is not working. 16. IP Address Configuration. 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. Register Search. It is useful in networks where the DHCP server is not on the same broadcast domain as the DHCP client. Using webfig v5. 2-192. vuooqc qwx jup lovfcp bxfsuj nramy ygquab ymryrqo vhzg dnvcp