Questions tagged [mikrotik]

Latvian manufacturer of computer networking equipment, known for the Linux-based operating system known as MikroTik RouterOS.

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Mikrotik: Creating Letsencrypt cert fails on RouterOS v7

From RouterOS's webfig CLI I attempted to create a LetsEncrypt cert: certificate/enable-ssl-certificate dns-name=my.domain.com But it returned the error: progress: [error] http challenge validation ...
F1Linux's user avatar
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Mikrotik cloud router with vlans routing

I have a MikroTik router configured with 30 VLANs, all passing through a trunk via a bridge. The router provides internet access via three PPP links with load balancing, and also local services to ...
mohamed barakeh's user avatar
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LTE Mikrotik NAT not works

I've and LTE Mikrotik HRBwAPGR-5HacD2HnD and QNAP NAS server. My need was to route trafic to QNAP server (192.168.88.102) from internet(using DDNS and so on) but not able to perform it, maybe I'm ...
Victor  EStalin's user avatar
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Which LAGG type should be used for MLAG switches to CARP firewalls?

My network setup involves two firewalls in a Common Address Redundancy Protocol (CARP) group, each connected to an MLAG (Multi-Chassis Link Aggregation) configuration of Mikrotik switches. Onward ...
Tintin's user avatar
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Sending COA request to NAS behind NAT from Freeradius

My Mikrotik NAS is behind a NAT so it only has a private network IP address. So for authentication, I am using the public IP address which works fine. But when Freeradius (hosted) has to send the COA ...
sajeyks mwangi's user avatar
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Mikrotik router DDNS pointing to wrong interface

I've tried to follow multiple guides that, in theory, addresses my problem with no results. I will first make a general explanation on what i think is the problem and the steps followed to address ...
Sebastian Ciocarlan's user avatar
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223 views

How to Configure Domain-Specific Port Forwarding on MikroTik Router?

I have a MikroTik router set up at the entrance of our office network. I'm looking to configure it for specific domain-based port forwarding. The task seems to be rather common, but I am stuck. Here's ...
Dmitry Nikolaev's user avatar
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MIKROTIK ONE LAN - TWO WAN - TWO GATEWAY how to dispatch internet trafic depending on PC's gateway

On the LAN there are two configured type PC. All PC belongs to the same network (ie : 192.134.234.0/24) but there are two different gateway: 192.134.134.253 et 192.134.134.254.Each of them are ...
felix34's user avatar
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SNMP scraping returned HTTP status 500 Internal Server Error on Prometheus

I installed Prometheus and SNMP exporter on Ubuntu Server, then configuring for scraping with /etc/prometheus/prometheus.yml - job_name: 'Mikrotik' static_configs: - targets: - 10.10.106.210 ...
Adelaide Underwood's user avatar
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Port forwarding fails with two DHCP Servers/routers on the same network

TL;DR I have two routers and a switch, and have forwarded port 80 on both routers to the switch, but depending on which router gives the switch its IP, it'll have that as its default gateway, and I ...
DrLime2k10's user avatar
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mikrotik script is not run through GUI or Schedule

I get a problem that i have a one line script as bellow: /tool fetch url="https://......" When i run this script in winbox with "Run Script" button it does not work and after i ...
Salar's user avatar
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Two subdomains, two iredmail (postfix) servers, duplication and migration

There are two servers in the local network, and iredmail is installed on both (I don't think this is important, since Postfix is here). There is one domain example.com and one IP, and also two ...
Varion Drakonov's user avatar
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Force torrents to be announced on another interface of a router

We have a MikroTik router with 2 WANs, main (good and expensive bandwidth) and backup. main is for our day-to-day use, and backup has slow bandwidth. We have a Synology NAS handling the downloads, I ...
Max13's user avatar
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Scripting with variables in RouterOS

I seem to be at a complete loss as to how Global variables work in RouterOS. My goal is to create a script which will make calls to other infrastructure components when DHCP leases are changed. For ...
Matt Clark's user avatar
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Mikrotik DHCP client variables for option 82

It is possible to add the DHCP option 82 in DHCP client of mikrotik router? mikrotik default DHCP options I want to add the Agent-Circuit-ID and Agent-Remote-ID from DHCP client option of mikrotik ...
kramnitsuj's user avatar
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Assigning static WAN IPs

My ISP gave me a /27 of IPs. Basically, they gave me the following information. Network: 1.2.3.64/27 Gateway: 1.2.3.65 IP Range: 1.2.3.66-94 Netmask: 255.255.255.224 To deploy this, I want to give ...
Kol's user avatar
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Windows native client not connecting to IKEv2 EAP VPN

We are investigating the possibility of replacing pfSense/opnSense with Mikrotik for our office routers. Our current routers provide site-to-site tunnels between locations, as well as RADIUS-backed ...
miken32's user avatar
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RouterOS 7, how to fair-share per interface

I'm configuring fiber for my office. Every floor is rented by someone, and I want to share the internet fairly. We've got one incoming 1Gbps fiber link, into a modem, followed by a Mikrotik router. ...
Daniël van den Berg's user avatar
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How to troubleshoot PXE boot from DD-WRT dnsmasq not sending tftp server info?

I have a MikroTik hEXs router (firmware v6.47.1) which I want to flash with OpenWRT. The OpenWRT wiki site has detailed instructions on the procedure, and it requires that one netboot the router. My ...
PattMauler's user avatar
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DST-NAT for port tcp/80 on Mikrotik router

I am trying to redirect the incoming traffic to tcp/80 of the public IP interface of Mikrotik router to the internal server with reverse proxy. No matter what I do, the NAT rule does not work with tcp/...
japol's user avatar
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Mikrotik CHR with public ip behind a proxmox Eoip not work

i have this problem: I have a ionos dedicated server i have installed a proxmox on it, i have an additional ip address for my routeros virtualized machine ionos delivered me this ip via vlan 1010: ...
Daniele Bertocci's user avatar
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Windows 11 IKEv2 fails to connect, error code 1931 eventID 20227

I have Mikrotik configured for accepting IPSec connections with server certificate and RADIUS auth, SHA1 and so on enabled on Mikrotik side for Windows compatibility. It also configured for L2TP/IPSec,...
SelfishCrawler's user avatar
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Mikrotik NAT rules does not trigger

I have a LAN subnet 192.168.10.0/24 connected to my CCR-1036. this router acts as DHCP server and Hotspot for users to access internet, a third party accounting server (172.17.1.0/30) is connected to ...
xtg's user avatar
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328 views

New network not using updated TLS and failing to connect to certain websites

I have 2 networks that are configured just about identically. The both have the same Router - Mikrotik RB2011UiAS-RM, with a direct fiber link to the ISP. I am using the same ISP for both networks. ...
fatdollar's user avatar
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223 views

Specify l2tpv3 ethernet's CircuitID and DigestHash in linux

How can I Create a l2tpv3 tunnel in linux and specify circuit id and digest hash (tunnel between linux and mikrotik)
Mahdi's user avatar
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Mikrotik Ovpn with RADIUS

I need to setup OpenVPN server on a Mikrotik router. The authentication for the clients needs to be done by a Windows RADIUS server. My problem is that the Mikrotik uses the unencryptrd PAP protocol ...
Smoke's user avatar
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Why are certain TCP connections extremely slow, except while running a packet capture on the router?

I have a weird issue with my MikroTik RouterBOARD hEX - RB750Gr3 (running Router OS 7.8). Certain TCP connections are extremely slow, for example this 93 KB file takes ages to download from the ...
aaronk6's user avatar
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nslookup finds IP address, but still claims NXDOMAIN

In my network I have: mikrotik router (10.0.0.1) with static DNS entries for myhost.mydomain.com -> 10.0.0.4 adguard server (10.0.0.128) that uses 10.0.0.1 as upstream DNS DHCP gives 10.0.0.128 as ...
Mirek's user avatar
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One port 2 external ip linked to MAC split by LAN ports

The provider issues 2 static addresses linked to the MAC address of the device on one port. Is it possible to divide the ports of the Mikrotik router into traffic exchange through each address? For ...
Serrver's user avatar
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920 views

Internet stopped working after upgrading RouterOS 6 to RouterOS 7

I would like upgrade RouterOS 6 to RouterOS 7, everything went fine, all interfaces went up, but the Internet did not appear for users. As I understand it, somewhere need to change routes / something ...
Dark Dude's user avatar
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2k views

Mikrotik - Access from VPN to LAN

There is a VPN server on Mikrotik to connect from internet to the network behind the router. Like: LAN -> Mikrotik <-> VPN <- PC in internet I can connect but can't access PCs on LAN when ...
Arrovil's user avatar
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Mikrotik configuration lost after electricity went off

Because of electric went off the miktrotik router lost operation system .. The operation System went down .. I did backup to the router "ccr1009" After that everything went well but I got ...
ahmed's user avatar
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994 views

Mikrotik CCR1009 ROS 7 dual WAN configuration

i have a CCR1009 (ROS 7.2.3) configured with the COMBO port as WAN_1 and the eth1 to eth5 ports as LAN, VOIP, and 3 SERVER with different subnets. The ISP is fastweb (mixed fiber 100/100) which ...
Gianluca's user avatar
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562 views

MikroTik: How send the mac AP to external CAPTIVE

I set up the MikroTik router hEX RB750Gr in hotspot mode, connected the WapR-2nD access point to it and distribute wifi. Hotspot is configured for an external authorization portal (Captive). Captive ...
Ilya's user avatar
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2k views

Failure connecting Mikrotik to Strongswan using IPSec

hope you are doing well. I am trying to connect a Mikrotik RB2011RM to Strongswan running on a cloud server. I cannot get past Phase 1. I have searched through google and found some great examples ...
Mike Myers's user avatar
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1 answer
176 views

Mikrotic 6.49.4 queues and mangle

I'm trying to configure upload and download limits per IP on Mikrotik 6.49.4 using simple queues. Probably I'm missing something similar to disabling 'fastttrack' but even with disabled fasttrack I ...
admfotad's user avatar
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261 views

Slow traffic(high ping) of MikroTik on Hyper-V

I am new to networking. I installed MikroTik with one Windows server and two Windows 10 clients within Hyper-V. It is routing and I can access the internet from one of the Windows VMs but it is super ...
Tommy's user avatar
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1 vote
1 answer
6k views

Redirecting Netflix and Youtube traffic to another gateway by IP addresses on Mikrotik router

I help a friend in taking care of the network with few buildings with appartments for rent. During the holiday season all apartments are fully booked, and that means we have 40-60 guests. There are 18 ...
Kamil's user avatar
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2 answers
176 views

How to implement backup link via VPN

I have a PTP wireless network from one location to another and it is working well. I would like to have a VPN backup in case it should ever go down. How can I make this happen automatically? I am ...
theonefromcv's user avatar
-1 votes
1 answer
190 views

access mikrotik webfig through the private openvpn address

I am using Mikrotik (7.1.1) router with an ovpn client interface connected to an openvpn server installed on ubuntu ec2. Everything worked fine: I want to use my laptop (connected to the same OpenVPN ...
dev's user avatar
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Can I send raw TCP data directly from Mikrotik using script?

I want to control some network relay that accepts commands from PuTTY in raw mode. Is it possible to do this with Mikrotik router? As far I know Mikrotik routers have ssh and telnet client server and ...
Kamil's user avatar
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185 views

Significant throughput loss when sending data from 40G to 10G/1G ports

Not too long ago I put together a 40G network using a Mikrotik CRS354-48G-4S+2Q+RM switch as the backbone of it. I very quickly ran into an issue using this switch, transferring data from a port with ...
ExplosiveRat's user avatar
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0 answers
474 views

Why do I get an error when connecting to a tftp server PXE-T00 pxelinux.0 filename too long?

As a DHCP server, I have a Mikrotik configured with options 66 and 67. /ip dhcp-server option add name="option66" code=66 value="s'10.10.14.200'" add name="option67" code=...
Vadim's user avatar
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314 views

VMware lock prevention error

I have a TrueNas connected via a 10Gbit interface to a CRS326-24S+2Q+ running switchOS. I also have a 10Gbit interface connected to VMware connected to the same switch. They are both on the same VLAN ...
Texia Plazaola's user avatar
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208 views

Is there a way to add a comment to a DHCP dynamic simple queue?

I simply want to add a comment (specifically, add the host name) to the simple queues created by the DHCP rate limit option. However, while scripting, when I tried the command /queue simple set dhcp-...
Aloha's user avatar
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OpenVPN network on the client side

I have the following configuration. VPS with Windows Server 2019 and with public IP. I have OpenVPN server installed on it and TUN adapter with 10.8.0.1 IP Here my OpenVPN server configuration port ...
user6721496's user avatar
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1 answer
923 views

How to configure bird OSPF for ipip link?

I have a simple ipip tunnel between 192.168.56.254/31 and 192.168.56.255/31. My simple test config on 192.168.56.254/31 looks like: protocol ospf test { import none; export none; ...
divB's user avatar
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1 answer
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SSH over Mikrotik NAT fails

I have a server on my network which I want to expose to external SSH connections. I can ssh directly to the device from my network (e.g. ssh 192.168.88.162 works fine). I have a NAT rule set up so ...
GKruger's user avatar
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How can i connect OPNsense router to Mikrotik Switch

I've encountered this situation where I'm to access the switch from my router: Here is what i have set: Lan (DHCP 192.168.50.1 , DHCPIPV6) WAN (DHCP 192.168.80.1,DHCPIPV6) Mikrotik (DHCP 192.168.80.1,...
Francabicon's user avatar
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568 views

MikroTik - configure NAT behind NAT

I have primary Mikrotik router connected to Internet provider and serving internal network 192.168.88.0/24. I also have second Mikrotik router which I want to plug into my internal network of the ...
ivan.ukr's user avatar
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