Ipsec tunnel mikrotik В этом обзоре мы рассматриваем, как настроить IPsec-соединение между сетями разных офисов site-to-site с использованием оборудования Mikrotik. If we add IPSec - tunnel is active (peers and SAs) and formed, but after initiating activity, first packets are not reaching the other side as tunnel is not fully formed till some "interesting" traffic comes in. I managed to stablish phase 2, but I see no traffic on the tunnel. y ipsec-attributes Nov 1, 2011 · I have been able to run up to 10 tunnels with out a problem on RB450G's and the RB1100 You will want your "/ip ipsec policy" to look like this for each tunnel 0 src-address=2. There are two possible ways how to use IPsec for site-to-site traffic: the "bare" one, where the traffic selectors of policies are used to choose packets to be sent via the tunnel, which overrides the results of the "normal" routing (but there must be some result of the normal routing, otherwise the packet does not reach the stage where traffic matching is applied) Jul 16, 2023 · Verify the IPsec VPN tunnel connectivity between pfsense and MikroTik. Apr 13, 2023 · Hi everyone. 0/24 (to our server using pfsense - i can connect to any machine there) and 192. 0. L2TP encapsulates PPP in virtual lines that run over IP, Frame Relay and other protocols (that are not currently supported by MikroTik RouterOS). 0/30 network. 168. To check the pfsense IPsec status goto -> Status-> IPsec. Jan 16, 2020 · For example, test result for single IPSec tunnel using large packets shows achievable throughput exceeding 400Mbps (even more than Gbps). 0/24 <-> . Click Apply and OK. Oct 6, 2017 · I am using a script to backup router and user-manager every day but cannot find a way to chose the existing IPSec tunnel for securely uploading this files to ftp server. Both routers were reset to default configuration, then I followed the guide from the official MikroTik documentation for the IPsec site-to-site tunnel. This server has a local private subnet 10. Sep 11, 2024 · To set the authentication method using a pre-shared key, add a new IPsec Identity. 0/24 there are 2 IPSEC tunnels - 192. I could not ping from inside one tunnel to inside the other using IPsec tunnels If the IPSec portion of this is giving you trouble, you can just leave it out at first - it will be an unencrypted connection, but you can make sure the tunnel / default gateway / route back to office LAN portion works first. Dec 30, 2015 · When I run the tunnel between: CLIENT -> CCR 1009 IPSEC tunnel -> CCR 1009 IPSEC tunnel -> CLIENT I'm getting only single stream throughput as max (increasing connections doesn't increase total throughput, probably setting more tunnels would) - so it must be something concerning using additional router after the tunnel and packets are decrypted Jan 15, 2018 · If you do this, then only traffic between 10. I will wait what happens. Standards: RFC 2661 L2TP is a secure tunnel protocol for transporting IP traffic using PPP. 255. The 2 endpoints of the tunnel are: ubuntu. Apr 24, 2021 · I have set up an IPsec site-to-site tunnel between two sites. 1/30 and 192. 110 to access remote site (10. 1 INT IP: 172. 4294967295; Default: 10s,10) Tunnel keepalive parameter sets the time interval in which the tunnel running flag will remain even if the remote end of tunnel goes Oct 18, 2021 · IPsec Tunnel На чтение 3 мин Опубликовано 18. IKEv2 (Internet Key Exchange version 2): Jun 4, 2007 · The topic is actually simple. 2. Below is the setup: MikroTik Local Subnet: 192. No others for now. dyndns. png. E. What I'm being tasked with doing, however, is routing traffic bound for github. Seem to work correctly. (1. Aug 2, 2020 · I would like to configure two tunnels for a site-to-site VPN with fail-over. png Oct 28, 2020 · techclerk wrote: ↑ Tue Oct 27, 2020 6:52 pm Seems like there is something wrong with the tunnel, but the remote side can access 2 machines, which it needs to access If the IPSec reports no phase 2, does this mean that I accept traffic directly via WAN without passing thru the IPSec, which is highly unsecure? Nov 20, 2019 · add action=accept chain=forward comment="accept out ipsec policy" \ ipsec-policy=out,ipsec And replace your masquerade rule with this one, make sure out-interface is correct or use Out. Feb 12, 2024 · My company has a site-to-site IPSEC tunnel configured with Mikrotik on the head end, and a TPLink router on the other. There is IPSEC policy in transport port between them and also IPIP tunnel, so I have interface for dynamic routing and etc. Next, define which networks will communicate with each other through the VPN tunnel. Selain mengkombinasikan L2TP dengan IPSec ternyata kita juga bisa melakukan site to site VPN menggunakan IPSec. I can ping every from CHR - RW, RB and device connected to RB. The moment we disabled it the IPSEC tunnels started to negotiate fast and now work like a charm. com from the Mikrotik's network through the tunnel to the other end's Feb 17, 2011 · hello I have two sites and i want to make a mikrotik to mikrotik ipsec tunnel , one mikrotik has valid ip (static ip ) and it is constant another mikrotik is connect to internet with one adsl modem but i made one pppoe client in mikrotik and connect with that to internet but the isp gives me static ip on dhcp and it changes every time. 1 1st mikrotik) connected with remote 192. Monitoring the status of the IPsec Tunnel on FortiGate and Aug 24, 2010 · IPsec tunnel with SonicWall. 0/24 (office) We need to port forward a few services through a IPSEC tunnel to a server on another site. make the mikrotik do the src nat on tunnel interface for its lan. 0/24 dst-port=any protocol=all action=encrypt level=require ipsec-protocols=esp tunnel=yes sa-src-address=1. Topology: 192. IKE: Choose version 2. can any Nov 29, 2014 · Re: VPN site-to-site IPSec tunnel Post by howdey57 » Wed Dec 31, 2014 1:38 pm Can you tell me how I put in the dynamic address (eg xxx. In the final step, select the IPsec Proposal named FortiGate to apply the correct encryption for phase 2 / ESP. Route certain website (like youtube/facebook/twitter or even a address list) traffice through this IPSEC link. 0/24 src-port=any dst-address=4. Mar 18, 2019 · For example, test result for single IPSec tunnel using large packets shows achievable throughput exceeding 400Mbps (even more than Gbps). Dec 18, 2024 · I am new to RouterOS and seeking assistance with an IPSec IKEv2 tunnel configuration between a Fortigate and a MikroTik router. Mar 6, 2021 · Here is how to establish an IPsec tunnel between an Ubuntu 20. Internet Protocol Security, or what is known as IPSEC, is a VPN protocol suite widely used nowadays in our network to connect 2 or more offices securely to each other using the public internet service, and this will save for companies a lot of cost and time instead of using dedicated leased lines between their offices. 0/24) and another tunnel between B and C (. Mar 8, 2018 · MikroTik RouterOS offers IPsec (Internet Protocol Security) VPN Service that can be used to establish a site to site VPN tunnel between two routers. I went trough some existing posts here on the forum, but none of the solutions actually worked for me. Jan 22, 2016 · Hi Guys, I have created a l2tp/ipsec tunnel from a windows 10 client (using native windows client). Of course tunnel's interface on both routers have IP from private LAN address range. 46. Настройка IPSec peer'а с аутентификацией с помощью пароля на маршрутизаторе MikroTik. 2/30 for data center On remote site you should use two static route - for route to data center router by WAN interface - all (0. Each site has two ISPs. There are two ways I could approach this: 1) Two separate IPIP or GRE tunnels, each with IPSEC, and both members of a bridge. 1 2nd mikrotik) I need to permit device 192. Настройка политики IPsec. Apr 7, 2017 · I need to create an IPSec tunnel between two mikrotik. Among other internal traffic, there is also a VoIP connection between a SIP-DECT base station inside the remote office and our PBX host in the main network. It just "steals" and encrypts selected packets according to defined policies. Next, we’ll Oct 10, 2014 · There is an IPsec tunnel configured that connects the remote office's internal network to the main network. 66. Method: Choose Pre-shared key from the drop down. Jan 3, 2018 · Yes, I had in mind to capture at the ethernet interface between the Mikrotik and the switch, so you'll have both the LAN traffic and the PPPoE in the same file, and you'll see what leaks out in parallel to PPPoE, but in this case, you should see in the capture only ethernet:pppoe:ip:udp:esp packets between the ISP and the Mikrotik and the Aug 2, 2020 · I would like to configure two tunnels for a site-to-site VPN with fail-over. I would recommend you to scrap all that IPsec tunnel setup and instead at each end create a GRE tunnel with IPsec option enabled (and key entered). At this point, both routers will have their GRE tunnel interfaces configured. info : the Ubuntu server. See full list on systemzone. I have seen people are choosing IKEv1 as the Isakamp version, thinking that FortiGate and MikroTik doesnt peer using the IKE2, however thats not the case, IKEv2, very well support with both FortiGate and the MikroTik. Once that is working, get the IPSec to work, and the tunnel stuff should work the same as it did before IPSec was turned on. 0/24 and 1. Below is my config. info : the Mikrotik router. The natural thing that everyone does (at first) is that they create IPSec tunnel between A and B (. 3 days ago · Hello all, I am trying to put in place a VPN tunnel initiated by my Mikrotik router and have the traffic from one single host forced through that tunnel. 2021 IPsec в туннельном режиме используется в основном для подключения с сторонними сетями. 0/24, then it won't catch icmp time exceeded from 11. 1 on both sides. IPsec is a network protocol suite that authenticates and encrypts the packets of data send over a network. 0/16 want to port forward port 80 to 172. 0/16 Nov 21, 2024 · as long as you have the tunnel works between the fortigate and the mikrotik - i think the virtual desktop will work without any problem. 1 and the various remote nodes to use nat, but that won't encrypt the traffic between nodes that sit Nov 6, 2015 · -2 sites tunnel and run OSPF together, site 1 is cisco router, site 2 is mikrotik, about routing there is no problem but when packets, for example when pinging from a host in site 2 to site 1, use wireshark to capture packets will see all the IP of the tunnel interface sent through, even if I creates a new network that hasn't advertised to ospf Apr 15, 2016 · Two Mikrotik routers (call them "Router1" and "Router2") with white external IP each. The tunnel exists is between a VLAN at Hotspot site to LAN at ftp site. 22. In EoIP tunnel configuration, we will specify local and remote IP address as well as shared secret for IPsec and Tunnel ID. and Jul 14, 2021 · That will setup a GRE/IPsec or IPIP/IPsec tunnel which will give you a tunnel interface at each end. Interested the maximum speed of a single tunnel. Internet Protocol Security (IPsec) is a set of protocols defined by the Internet Engineering Task Force (IETF) to secure packet exchange over unprotected IP/IPv6 networks such as Internet. 1 May 8, 2024 · MikroTik - Configuración de VPN con Tunnel L2TP-IPsec En este articulo se vera como realizar un VPN con el Protocolo L2TP protegido con IPsec Redactado por Nancy Covarrubias Alarcon Actualizado hace más de una semana Cuando se tiene la Feb 15, 2022 · Hi Everyone, I've been trying for some days now to get an IPSec routed tunnel to work between an EdgeRouter and Mikrotik. Summary. That's the problem with plain IPSec tunnels, they don't work like "normal" tunnels where you have regular interface and you can use it to route any traffic you want. I'm trying to setup a site to site tunnel between a SonicWall and a Mikrotik CCR1009-8G1A-1S+ with version v6. How to set this up, we already have a configured IPSEC tunnel up and running Site A WAN IP: 1. In GRE tunnel configuration, we will specify local and remote IP address as well as shared secret for IPsec. xentoo. 1 outside the ipsec tunnel what so ever. 1/30 for remote office 192. Jun 13, 2022 · Hi to all, I have a problem with my ipsec tunnel between Mikrotik and Sonicwall. Apr 1, 2010 · Is it possible to have a site-2-site IPSec tunnel with /30 IP on both ends and route on that tunnel ? either with static routing or dynamic (ospf) Trying to connect a Mikrotik with a Sophos XG where XG is in tunnel mode IPSEC. EoIP Tunnel Configuration in Office 1 Router Mar 26, 2018 · Part 2: GRE Tunnel Configuration with IPsec. For router 2 - there are more IPSec tunnels on this router and all of them are working fine - except tunnel from/to Router 1. 5. Jan 22, 2025 · Internet Protocol Security (IPsec) is a set of protocols defined by the Internet Engineering Task Force (IETF) to secure packet exchange over unprotected IP/IPv6 networks such as the Internet. Jan 16, 2013 · A quick test sending pings from a Mikrotik through an L2TP/IPsec client interface with DF set works as expected for packet size > L2TP client MTU, which would create multiple IPsec payload packets, however it does appear to generate IP fragments where L2TP client MTU + IPsec overhead > WAN MTU, which would create a single IPsec payload with multiple IP fragments. The tunnel works perfectly but 2-3, maybe 4-5 times a day sometimes, the tunnel is disconnected and it's not re-established until i have ran "/ip ipsec installed-sa flush sa-type=all". Both sites have a DDNS name. 1 (private address), it will be dropped just a little later. 2. Jul 2, 2023 · Setting up an IPsec tunnel on MikroTik routers is a cost-effective solution for connecting branch offices securely over the internet. Any DNS requests made by router itself are routed through default gateway and not VPN tunnel, and, on the other hand, any DNS requests made from local network (except the router) end up in VPN tunnel. The tunnel is working in both directions, can access devices on each LAN in both directions. The tunnel establishes a connection as soon as the lifetime 8h tunnel does not start automatically, I have to manually disable and enable it. 15. org) into the VPN setup rather than the IP address? Mar 4, 2017 · IPSec tunnels can be a little confusing. y. 20. 1/24 to flow over the IPsec tunnel encrypted, but we want all the traffic sourced from 10. File:Screen shot 2010-12-02 at 2. 33. 4 The tunnel is working as expected, the problem is only that I can't communicate with R1s IP 172. assuming the fortigate at the hq - give the mikrotik Tunnel ip that belongs to fortigates network. Now the goal is to not only have traffic destined between 10. 2/30) and set routes to the other subnet via that address as a gateway. IPsec protocol suite can be divided into the following groups: Internet Key Exchange (IKE) protocols. info resolves to the public IP address. The hostname ubuntu. 00. Pfsense IPsec status. Peer DNS is disabled in ppp and ipsec config. Jun 6, 2013 · 2) Use GRE tunnel on edges of IPsec tunnels ( typically it's called GRE over IPsec) then address both of GRE tunnel ends for example: 192. Pre-Shared key: Enter a strong pre-shared key here. 16. Oct 17, 2004 · With a transport, I can't accommodate the configuration at the IPSec server, and with a tunnel , I have the potential to run into routing errors due to duplicate IP addresses ? I'll have to come up with a way to use a transport between 1. 0/24 Fortigate WAN IP: Dynamic Problem 1: If the IPSec portion of this is giving you trouble, you can just leave it out at first - it will be an unencrypted connection, but you can make sure the tunnel / default gateway / route back to office LAN portion works first. mikrotik. We can guess the remote VPN router IS NOT THE NETWORK GATEWAY ROUTER to the remote network Explaination: Machine 192. Aug 16, 2017 · Hi all, I am new to Mikrotik and am a little stumped. Jan 21, 2015 · As long as both routers can communicate directly with one-another, IPSec shouldn't care if one IP is public and the other is private. 212 list=ipsec-addr /ip firewall filter add action=accept chain=input comment="defconf: accept established,related,untracked" connection-state=established,related,untracked add action=drop chain=input comment="defconf: drop invalid" connection-state=invalid add action=accept chain=input comment May 10, 2014 · As long as there's plain GRE tunnel between MTs - devices can send the packets and they are reaching the other end just fine. this is done. Address" on Office1 Mikrotik? Jun 22, 2015 · Hello, My suggestion: Please add performance results for IPsec tunnel (AES) to "Performance test results" table on each product page. 0/24 and a fixed public IPv4 address 1. 04 host and a Mikrotik router using IKEv2. You won't need the special NAT rules in this case. 4 . Jul 15, 2023 · Authentication. The originator has no problem to establish the tunnel, and everything seems good, but there is absolutely no trafic. I can pass over 1700 to other networks but not this. 10. Site A and site B has a mikrotik routers. Before we start, here are a few things to have in mind: This is the configuration I’m only using in testing environments, not in production. Nov 22, 2011 · Hi! I am having some issues with my VPN-tunnel and I have been searching the forum without finding anything usable. You can then put a /30 address on each end of the tunnel (e. I have a local network 192. Saat ini Mikrotik mendukung beberapa macam VPN seperti PPTP, SSTP, L2TP+IPSec hingga OVPN. If it's simple IPSec tunnel with policy only for 192. Настройка политики IPSec на маршрутизаторе MikroTik, 1. In this scenario, we will connect two separated LAN segments and establish communication between at least two hosts. . We have set up everything, let’s now check the IPsec status on both the pfsense and MikroTik devices. I do have OSPF working over a PPTP link to another mikrotik and two mikrotiks in the house. Jun 3, 2006 · I've got OSPF running and it seems to be ok but we have an IPSec tunnel to a friends house which terminates on a fortinet firewall and we can't get OSPF working. 4. Step 2: Configuring IPSec for Encryption. 17. 10) RoadWarriors - Dynamic IP, 172. It's not normal routing as with simple tunnels. But the last was not true. 1 Jul 14, 2009 · 1. 0/24 <-> 192. 10 in site B Site B WAN IP: 2. I found the ESP ALG was enabled on it. After MikroTik Router basic configuration, we will now configure EoIP tunnel with IPsec in both MikroTik RouterOS. 2/30) and add a route to the far side via that tunnel. Not even the PC (172. IPSec tunnels are "magic". 1. 0/24 (connected now one device, 172. 252 will send all unknown traffic back to the NETWORK GATEWAY probably 192. Feb 3, 2025 · Set the Tunnel Address to 172. 12 AM. Also I add such rule to RAW table: Настройка IPsec-пира. As you can see, both the phase1 and phase2 of the IPsec tunnel is now showing up. Jadi misal kita membutuhkan tunnel antar kantor cabang, kita dapat menggunakan metode atau cara ini. Aug 18, 2023 · I've a Mikrotik router communicating with a CISCO router out of my company, that has been set to form a IPsec VPN tunnel with one of my customers. 0/24). 1). Правило обхода NAT. 192. y type ipsec-l2l tunnel-group y. Jul 15, 2021 · Im connecting below location with IPsec: CHR - public IP, 172. You can show Mikrotik configuration for IPsec tunnel "privateIP-to-publicIP"? Main problem - what should I enter in the IPsec policy field "SA Dst. 2 INT IP: 172. I was wondering if there is anyway i can pass 1700 size over the L2TP/IPSec tunnel. g. 3. 1 when the tunnel is established. It say: State: established. Jan 3, 2019 · Re: Cannot ping LAN devices over IPSEC tunnel Post by Sob » Thu Dec 08, 2022 8:29 pm Mangle rules, connection gets wan1_cnx mark and then WAN1 routing mark, but there's no route to 192. keepalive (integer[/time],integer 0. Jan 3, 2019 · I have a weird issue with an IKEv2 tunnel set as passive. 2) Two separate IPIP or GRE tunnels, no IPSEC, both members of a bridge, IPSEC over the bridge. 88. 128. 0) internet. 0/24 MikroTik WAN IP: Static Fortigate Local Subnet: 10. /ip firewall nat add action=masquerade chain=srcnat comment="default configuration" \ ipsec-policy=out,none out-interface=ether1 I'm having trouble routing system DNS through IPSec VPN tunnel. 2) can ping 172. Jan 22, 2024 · When secret is specified, router adds dynamic IPsec peer to remote-address with pre-shared key and policy (by default phase2 uses sha1/aes128cbc). IPsec protocol suite can be divided in following groups: Internet Key Exchange (IKE) protocols. Then at each end add a /30 network to the GRE tunnel (e. 30. The tunnel itself is configured and working as intended, and is stable. All tunnels are configured with the same template, all firewall & NAT rules are same. 2/30 (Router B’s GRE tunnel IP). 44, it will go out unencrypted towards public internet and because it's for 192. This router Oct 28, 2020 · Seems like there is something wrong with the tunnel, but the remote side can access 2 machines, which it needs to access If the IPSec reports no phase 2, does this mean that I accept traffic directly via WAN without passing thru the IPSec, which is highly unsecure? I want to know if it is possible to configure IPsec tunnel in the following way: In the office I have 2 WAN (main and backup failover) and I want to connect with Azure and IPsec. Interface List=WAN if such exists. 0/16 and 192. 11. I need to create a IPSEC/IKEV2 link between AWS CHR and my home Mikrotik device (RB750Gr3, dynamic public IPV4), which i can barely find out by searching (or mikrotik wiki page) 2. 0/0 to flow over the IPsec tunnel route out gateway of the datacenter network. the pppoe client interface name is 'internet' . y crypto map IPSEC-OUTSIDE 126 set transform-set ESP-3DES-SHA tunnel-group y. 1 Best regards! Jacko Sep 8, 2014 · We have two Internet connections. This course aims to provide a comprehensive understanding of IPSEC, ensuring you can confidently implement and test the configurations. The thing is that since packet flying through ipsec tunnels, they are encrypted. We currently only using EdgeRouters with this customer but we're looking forward to replacing the first with a CHR instance, afterwards phasing out the EdgeRouters in preference for Mikrotiks with good IPSec performance. 0/24 destined for 0. Mar 18, 2018 · MikroTik IPIP tunnel with IPsec makes a secure and authenticated site to site vpn tunnel that is so reliable to transfer private data across public network. •Mikrotik support Protocols VPN : PPTP, L2TP, SSTP, IPSec, OVPN, PPPoE, EoIP, GRE Tunnel, IP Tunnel. 0 (192. With its built-in IPsec support, MikroTik simplifies the configuration process, making it accessible even to users with limited networking expertise. For the record: during the last problem occurence, I had two simultaneous session between same hosts opened. 6. 0/24 will pass through IPSec tunnel, nothing else. 0/0) by 192. Mikrotik –SSTP VPN •Provides PPP traffic through an SSL Jul 4, 2018 · I'm trying to setup ipsec tunnel between "HQ" working on Mikrotik CCR with fixed IP address and "Remote" site working on tp-link LTE router with dynamically assigned IP address. Dec 17, 2020 · I want to make L2TP clients to be able to talk to devices over IPsec tunnel, like in the picture below. I have an IPsec VPN from a CCR1016 (branch office) to a Juniper SRX (head office), tunnel is up and passing traffic, however I need to send traffic to a few IP's down the tunnel to head office, this is a list of 6 IP addresses, at the head office the SRX routes all this traffic to various other gateways. net Jul 2, 2023 · Setting up an IPsec tunnel on MikroTik routers is a cost-effective solution for connecting branch offices securely over the internet. To another remote location with static IP is working without any problem - the problem is only with dynamic. In my first post I didn't mention other tunnels just to simplify the problem's description. After MikroTik Router basic configuration, we will now configure GRE tunnel with IPsec in both MikroTik RouterOS. users that are connected via L2TP they could be able to reach Site A devices. I will demonstrate how to configure IPSEC on MikroTik routers, covering both versions—IKEv1 and IKEv2. 9. Feb 22, 2020 · Here is a quick tutorial on how to create IPSec Site To Site VPN tunnel with Mikrotik RB RouterOS 6. Nov 29, 2016 · In the third part of the Mikrotik IPSec series, we will discuss the most common scenario – how to connect two remote sites using Mikrotik IPSec services. It works fine except that what I would like is that only the trafic destined for the remote networks pases over the tunnel. Oct 27, 2023 · this is my first time asking here. all in same area. 1 in WAN1 table, so it goes to internet. 0/24 I have got estabilished VPN connection from CHR to RB and CHR to RW. The weird part is that if I ping a distant device just once, everything start to work normally. that will make the website think that the tunnels traffic belongs to its internal network. Mar 15, 2024 · IPSec Tunnel. Mar 21, 2018 · Part 2: EoIP Tunnel Configuration with IPsec. 1 RB - Dynamic IP, 172. But experience (of many forum members) with ethernet test results goes that relevant number for real-life cases is the one with medium packet sizes and for bigger number of processing rules (ip filter rules). I have tried to search for it but usually found opposite problem (local to IPSEC, working ok here). May 10, 2018 · I would recommend you to scrap all that IPsec tunnel setup and instead at each end create a GRE tunnel with IPsec option enabled (and key entered). The tunnel interface will now allow communication between the two routers using the private 172. Both sites have dynamically-assigned public IP addresses through PPPoE from my ISP. 13. GRE Tunnel Configuration in Office 1 Router Jan 20, 2024 · Modes: IPsec operates in two modes: Transport mode, which encrypts only the data payload of the packet, and Tunnel mode, which encrypts the entire packet. IPsec — это комплекс протоколов, разработанный для защиты access-list acl-inside permit ip object-group IPSEC_LOCAL object-group IPSEC_REMOTE crypto map IPSEC-OUTSIDE 127 match address acl-IPSEC_X crypto map IPSEC-OUTSIDE 127 set peer y. Jan 22, 2025 · Internet Protocol Security (IPsec) is a set of protocols defined by the Internet Engineering Task Force (IETF) to secure packet exchange over unprotected IP/IPv6 networks such as the Internet. Mar 12, 2019 · Our Mikrotik concentrator has public IP, is not behind NAT and the ISP router was supposed to do nothing but passthrough / routing. If the problem is triggerred by a link outage, I will get 2 IPsec tunnels unusable instead of all 3. I have reconfigured one of the IPsec tunnels to other provider's link. Jan 26, 2016 · MikroTik Support Posts: 7032 Joined: Wed Feb 07, 2007 11:45 am Location: Latvia. /ip firewall address-list add address=192. To make things more complicated my LAN clients are natted twice and I am wondering if this could cause some issues.
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