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Questions tagged [routeros]

Linux-based operating system known also known as MikroTik RouterOS that runs on x86 and RouterBOARD systems.

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Get Real Address wen Login Winbox Mikrotik

I have two mikrotik router which connected with vpn. The router configuration like this Router CORE PUBLIC IP : 66.96.234.199/32 IP VPN : 172.1.23.1 Router Client IP VPN : 172.1.23.33 I've port ...
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Accessing MSSQL server remotely through mikrotik

I have a following setup: Server with MSSQL installed with remote connections allowed Mikrotik router I have setup all the necessary things on MSSQL: Tcp port Firewall Allow remote connections On ...
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RouterOS: Multiple PPPOE WAN IP routing to LAN Servers

I really need some help! Platform: MikroTik RB750Gr3 with RouterOS v6.48.4 (stable) Interface config: eth1 - PPPOE connection to fiber modem, eth4 - Managed LAN Switch Setup: I have two static IP's ...
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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 ...
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AWS middlebox appliance routing doesn't work

I have installed and configured EC2 instance with routerOS which I want to use as main point of connection for branch networks. It has 1 interface, resides in subnet 172.20.1.0/24. Subnet 172.21.1.0/...
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mikrotik route appear and removes every second automatically

Mikrotik OS v6.48.2 has routes # DST-ADDRESS PREF-SRC GATEWAY DISTANCE 0 ADS 0.0.0.0/0 193.168.1.1 1 <<<<<<&...
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Ubuntu Installation on Qemu/KVM Black Screen

I'm trying to install Ubuntu or higher on KVM. I have tried installing 14.04.6 LTS / 16.04.7 LTS and 18.04.5 LTS First i create Qemu Disk Image : qemu-img.exe create -f raw hdd.img 5G and when i boot ...
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Can I filter IPv6 ospf-v3 routes in Mikrotik RouterOS v6?

When setting up an ospf instance, in-filter and out-filter allow us to control which filter chains will be used to decide what routes get added to the routing table, propagated without adding them to ...
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How to access subnet from Open VPN server (Ubuntu), VPN client RouterOS?

Here's the setup: [OpenVPN server] --- WAN --- [RouterOS client] --- [Local subnet client] 10.5.0.0 10.5.0.14 10.10.10.2 $ route -n Kernel IP routing table ...
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Simple routing not working

I have a problem with my virtual environment. On this picture you can see my configuration: I have a total of three subnets. Where one router with 192.168.1.1 is physical and one virtual router and ...
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UDP NAT traffic but no response on MikroTik RouterOS

I have a MikroTik router with v7.1beta2 firmware installed It's WAN (eth1) has an IP address of 192.168.7.122 There are two devices connected to its LAN Device #1 is a webserver, communicating on ...
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Why is port forwarding in Mikrotik RouterOS stuck at SYN_RECV?

I'd like to set up port forwarding of tcp port 8000 -> 192.168.1.16:4200 on my Mikrotik RouterOS. I've done the following: /ip firewall nat add dstnat chain=dstnat action=dst-nat to-addresses=192....
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Mikrotik RouterOS - How to prevent all devices in a VLAN from initiating any connections outside of the VLAN? [duplicate]

I'm using a RouterOS device as a router on a stick. I'd like to isolate a certain VLAN from the outside world so that the VLAN cannot instantiate any connections to other VLANs or to the Internet (WAN)...
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Ansible error with auto provision Mikrotik router

I have a problem that I cannot understand how to solve ... From my ansible central machine I have written a routine for Mikrotik, to execute a series of configuration commands and thus auto provision ...
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Manually subnet an IPv6 Prefix Across Multiple MikroTik Routers w/out Prefix Delegation

I want to configure my network so hosts can IPV6 auto-address Global Unicast Addresses ("GUA") using SLAAC. I have a ::/48 (assigned by Hurricane Electric) that I want to divide into subnets and ...
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MikroTik: Set scan-list in RoS to ONLY use 2.4 GHz non-overlapping channel frequencies

How do I set the scan-list in MikroTik RouterOS to use only 2.4 GHz non-overlapping channel frequencies?
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WiFi: Frequencies that map to non-overlapping 2.4 GHz channels 1,6 & 11

I'm configuring a wireless router. I know the non-ovelapping channels are 1,6 & 11. However, my router only specifies frequencies that I can select, not channels. What are the frequencies that ...
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Access to private resources with VPN

i have following setup: 192.168.0.1 - my router base on routerOS with public static ip X.X.X.X. on router i have nat rules for redirect all incoming request to 80,443 port to server in LAN (192.168.0....
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How to forbid DHCP-server to lease specific IP address on Mikrotik's routerOS?

My Mikrotik router is running a DHCP server in /24 network, I would like to prohibit it to lease some IP addresses (I would like to use them statically on a couple of devices). Are there any ways to ...
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Can't get a serial console on MikroTik RB4011iGS+

I am trying to connect to the serial console of my MikroTik RB4011iGS+. I might be missing something obvious, but I can't seem to get a terminal (or anything else). Relevant documentation page: ...
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Mikrotik - Using bridge for WAN/DMZ

I'm not sure I'm going about this the right way.... I have 3 static IP's from my ISP that are all in the same subnet with the same gateway. One address is used for the router (RB3011 - 6.43.8) on a ...
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How to allow responding to broadcast pings on Mikrotik RouterOS?

By default, most systems don't respond to broadcast ping requests. However, there exist ways to explicitly allow responding to broadcast ICMP requests on multiple systems, such as Linux. How can I ...
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MikroTik Capsman is trying to push network channel configurations that are not allowed by access points

According to information from allowed-channels command on my Access Point the allowed channels are the following: 5180/20-Ceee/ac, 5260/20-Ceee/ac/DP, 5745/20-Ceee/ac, 5750/20-Ceee/ac, 5755/20-Ceee/...
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Mikrotik routeros maximum number of filter rules

We need to deploy a service using Mikrotik routerboard CCR. We need to know how many filter/mangle rules a Mikrotik device can support: hundreds, thousands ? What about performance, cpu and memory ...
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Simple router with two ethernet interface no static route needed?

Normaly, for two subnets connected with one router, i always used to create two routes per example: subnet 1: 192.168.1.0/24 subnet 2: 192.168.2.0/24 router interface 1: 192.168.1.99 router ...
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DNS requests with the term "router" in a subdomain always redirected to local router

It seems that my router (Mikrotik RB2011UiAS) is somehow hijacking DNS request that have the subdomain "router" in them and forwards them to itself. router.google.com, router.amazon.com, you name it,...
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IPTABLES not blocking EoIP Tunnel

So I decided to play with EoIP Tunnels today on two VMs which I installed free trial RouterOS on them. I set rules on iptables on the hypervisor (which is Proxmox) that prevents any input to vms ...
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Configuring MikroTik RB 750 GL to have switch as WAN and Ether1 as NAT to LAN

My ISP allows me to have multiple static IP addresses. I want to use a RouterBoard 750GL to attach multiple publicly addressable servers to the internet using Ether[2-5] in switch mode, and use Ether1 ...
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DNS entry always preferring wildcard entry instead of explicit entry

I have a Mikrotik Router with Router OS where I need to set a static DNS entry. I have set a url exhibitorsearch.test.intern.customer.com to an ip with the ending .92 a regexp .*\.test\.intern\....
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how to use src-address in mikrotik script 'find'

:foreach i in=[/ip fi man find chain=forward ] do={:put [/ip fi man get value-name=src-address $i] } I get: 192.168.1.99 192.168.1.100 192.168.1.101 192.168.1.102 :foreach i in=[/ip fi man find ...
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RouterOS push static route for IPSec IKEv2 VPN

Can't find a solution how actually I can push a static routes to VPN clients, when they connect via VPN. Configuration from here RouterOS, IPSec, IKEv2. Clients mainly macOS users via standard soft. ...
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2k views

Make a Mikrotik Router behave as a separate router on each port

We use Mikrotik routers for many points in our system, but we have an odd need for one location. We would like to use one router (example: RB960PGS-PB), where the main Internet connection comes in on ...
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How to set up QoS on MikroTik RouterOS?

I'm aware that this is a common question but I've invested two days now to learn this and still could not find a clear explanation... Recently I bought a Miktotik hEX (RouterOS 6, Level 4), used as ...
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RouterOS sending malformed packets

I have a Routerboard 951G-2HnD which runs latest stable: RouterOS v6.50.5 Firmware v3.41 The board acts as the WiFi AP in WPA2-PSK mode. Recently I have noticed unhealthy amount of traffic sent from ...
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Order of external DNS servers on Router OS DNS Server

We have DNS server on our Mikrotik (RouterOS 6.36). [admin@xxx] /ip dns> print servers: 10.0.10.3,8.8.8.8 dynamic-servers: allow-remote-requests: yes max-udp-packet-...
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Why static route can be ignored?

I'm trying to route all traffic to 10.2.0.0/24 via OpenVPN client(10.7.0.2) Flags: X - disabled, A - active, D - dynamic, C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, B - blackhole, ...
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Cannot share the internet connection with dual wan setup on RB2011UiAS-RM

I have a bit trouble with setting up multiple WAN connections on my RB2011UiAS-RM. Recently we have bought this router to replace an old proxy server in our company, which could fail/broke at any ...
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Custom Microtik Configuration

In short, i'm trying to load a custom RSC configuration into a Microtik Router However after loading it in on the restart with: /system reset-configuration no-defaults=yes run-after-reset=flash/vpn-...
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IPv6 subnetting a dynamic /56 prefix

I read How does IPv6 subnetting work and how does it differ from IPv4 subnetting? but my question was not answered there. I'm upgrading our IPv4 network to IPv6. Currently, our NAT gateway splits our ...
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How can I forward network packages to an interface in Mikrotik?

I want to forward all TCP packets to one interface (a dedicated Internet connection only for downloads) and all UDP packets to another one (a dedicated internet connection only for streaming and ...
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1 answer
11k views

How to setup route to gateway on different subnet with MikroTik Routers?

We have the following setup which I need to get working: Location A: Subnet 1: Network: 192.168.1.0 Mask: 255.255.255.0 Default Gateway: 192.168.1.1 Subnet 2: Network: 192.168.2.0 Mask: 255.255....
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Mikrotik: Firewall dropping packets even though rule seems to match

I set up an L2TP VPN server on my Mikrotik. Connecting to the VPN when I'm behind the router works, but once I'm connecting from the WAN side, it doesn't. I logged my firewall to see if I was dropping ...
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8k views

Export vs Backup

Basically self-explanatory. Mikrotik's RouterOS has two distinct functions, one which backs up the router and one which exports the configuration of the router. What exactly is the difference, and ...
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How to setup an encrypted L2-Tunnel using MikroTik Routers?

What I would like to achieve I want to securely spread an existing internal subnet over multiple buildings. That means that I have two locations with virtual machines that need to be within the same ...
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MikroTik - Traffic flow (Netflow) Octets Counter wrap

I am using Traffic Flow with pmacct (nfacct) to do IP Accounting. I've noticed that if a flow exceeds ~4GBytes in less than a minute (which is my active-flow-timeout) the exported flow Octets counter ...
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Couldn't add New Bridge NAT Rule - ip matchers valid only for ip ethernet protocol

I am following this tutorial to set up port forwarding. However, when I attempt to apply my rule, I get the above error message. Here is the rule that I am trying to add: see this image
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Mikrotik switched VLAN configuration

With Routerboard 450G I want to configure the 5 Ethernet ports as follows: ether1: vlan3, untagged ether2: vlan1, untagged ether3: vlan2, untagged ether4: vlan2, untagged ether5: vlan1-vlan3, tagged ...
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Load balancing ip conflict in Mikrotik

I have a rb433 connected in pcc to 3 wifi wan routers that all give 192.168.1.1 cant access these routers to change the dhcp Any sugestions to avoid conflict? config img here http://postimg.org/...
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RRAS Server 2012 R2 Not Assigning Network Info or if it does not passing NAT

I wouldn't bother with this for any other reason than the fact that the speeds I get are worth it. Cable Modem (Bridge mode) - Server 2012 R2 (RRAS) - Linksys EA2700 (Bridged as Switch) My issue is ...
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MikroTik - can't access webfig from external / can't SSH into router from external ip

Ok, here's the deal. Let's say that my public facing IP is 10.0.01. I can't webfig into 10.0.01 from external and can't SSH into mikrotik router from external IP. I can do it if I am physically ...
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