Network loop mikrotik 0 Days. netinstall does not show the device. Also, the bootloop still is triggered after a fresh 7. Scenario mentioned below and Network Diagram attached with this post. RouterOS. Has been working great, no problems whatsoever. We have redundancies in our network and have configured RSTP throughout the mikrotik devices and in some devices MSTP (ubnt switches). Post by n1kt0 » Sun Dec 07, 2014 9:13 pm. Loop Protection in Networks: Loop Protect in MikroTik November 5, 2024 Course Reviews. 168. Unanswered topics; Active topics; Search; Quick links. That switch is not supposed to be anything special just one of several ether7: bridge port received packet with own address as source address (74:4d:28:01:2f:3a), probably loop I also get it on ether5 sometimes but mostly ether7. R3 will send to R2 again, and you have a loop that will bunch back to r3-r2-r1-r3-r2-r1 etc etc etc. It is hapening to me on RB3001, RB100AHx2, POwerBox etc. Loop Protect. This was a remote site that we manage and it takes hours to drive to the location. Register; Login I was using mikrotik CCR1009-8G-1S-1S+ for a couple of years and decided to upgrade from v6. Our Mikrotik is in a constant restart loop every 1 min. And if somewhere between switches would be cutted cable it won't stop switches from getting internet connection. All details in this lesson! Home; Courses. 2. Autoplay; Autocomplete Previous Lesson Complete and Continue VPN Tunneling Protocols on MikroTik with LABS What is VPN and why is it important to use it in our network (15:52) The only other possibility is those packets are looping through the network and since Ethernet doesn't have at TTL they can remain there long after the originating A community-contributed subreddit for all things Mikrotik. Network loop? Thu Jun 18, 2020 12:02 am. Currently I can access the server that is connected to R2 from the computer connected to R1 and in the same way from the other network to the server connected to R1. what's wrong? if execution on Winbox Terminal with Mikrotik ver 2. * iBGP should normally connect to loop back addresses - if OSPF fails, loopbacks fail, In our core network we have Mikrotik CCR devices speaking with Cisco, Aruba, Fortigate and others, and neighborship is up since many days, there should be other aspects to evaluate. 8 is the most recent release - could be a bug, though the change logs past 4. What is the best way to handle management devices? Should I run a unique VLAN for each site? Any advice would be really appreciated as I don’t want this problem to persist. I have ten Hnd RB951UI-connected and since it launched, I have had many locks on reboot. 9. MikroTik RouterOS implements Label Distribution Protocol (RFC 3036, RFC 5036) for IPv4. 6 After doing that I keep getting this logmessage "TrunkToSwitch_02-alternate: bridge port received packet with own address as source address (00:00:10:00:00:00), probably loop". Can anybody help us please. 12. 14 posts • Page 1 of 1. Learn and configure PPTP, L2TP, SSTP, OVPN, GRE, IPIP, EOIP, Wireguard and ZeroTier on MikroTik RouterOS. Without any special treatment, loops would prevent network from functioning normally, as they would lead to avalanche-like packet multiplication. Starting the RouterBOARD in Netinstall mode We can use the rapid spanning-tree protocol on Mikrotik to avoid layer two loops while creating redundancy on our networks. Some rural areas, when some electrical issue happens Ubiquiti crushes /ip dhcp-server set authoritative=yes#loop_mikrotik#mikrotik_loop#mikrotik_voucher Enabling loop-protect with high timeout on the re-enable timer and ignoring them for some time helped but if the loop (lacking working loop-protect) persists and stuff still doesnt work even the next day which means checking all connections in the lab or having to access the switch with serial console because the network is down gets tedious. Running 5 x 433AH + XR9s with Nstreme. modp1024 enc-algorithm=aes-256,aes-192,aes-128 /ip address add address=192. EOIP Tunnels go down until TIK is rebooted. Forwarding Protocols. Connecting a computer to that switch, works and gives me the correct IP range. 1/24 comment=defconf interface=bridge network=192. Karena mikrotik mendapat banjir traffic/flood dari jaringan lokal yang looping maka penggunaan CPU mikrotik menjadi tinggi. 12 netinstall. changeip. Then R1 will have R3 as gateway for traffic coming from R2. 0. The Omada switch is wired to a trunk port of the mikrotik, carrying all VLANs. Learn how to use Loop Protect on a MikroTik switch to avoid Layer 2 loops and protect your network. R1 and R2 do not have a public IP since the provider does double nating, for this reason I use Wireguard. The code above is running on the client grooves. 2 version. ↳ Wireless Networking; ↳ Scripting; ↳ Virtualization; ↳ Useful user articles; ↳ RouterOS beta; Learn how to simplify the process of configuring Spanning-Tree Protocol (STP) on MikroTik Switches, using the Hardware-offload feature of version 6. كيفية معرفة اللوب في المايكروتك For all those who have the same problem with "Transmit loop detected". Please advise. Thank you for your inputs. As soon as we loop the network in this way, we see all devices begin to time out. You might monitor the MAC address tables on the Learn how to use Loop Protect on a MikroTik switch to avoid Layer 2 loops and protect your network. did notice that a route had not been added back to gateway, i've since added dst-address 0. Get ready for the official MTCNA certification. 1/24 interface=ether1 network=192. Thanks a lot! * Non-functional routing for directly attached (connected routes) originated from Mikrotik routers. Hi, we have problem with WDS static loop. Posts: 3833 Joined: Fri May 28, 2004 5: One sonos device is wired to my mikrotik router (using PVID 101 on the port). You might try unplugging one downstream switch at a time until the trouble clears. Beginner Basics. As the SONOS network is a blackbox, I'd suggest to keep the SONOS bridge connected directly to ether5, (such as an ARP request) is sent from Mikrotik's ether5, and gets treated the above way, so it returns to the Mikrotik; if the loop protection was disabled, Mikrotik would forward it to other bridge ports and nothing else would happen, Running 5 x 433AH + XR9s with Nstreme. but MikroTik cannot solve that, you need to contact the manufacturer of the AC. (As seen here, I don't have any standalone L2 switches) which would initially look to an observer to be a lot like a network loop. Some Mikrotiks are used, but we want to have it only ปัญหาเน็ตล่มมีหลายสาเหตุ ซึ่งในคลิปนี้จะพูดถึงปัญหาที่เกิดจาก Loop For all those who have the same problem with "Transmit loop detected". The device is configured as WISP AP in bridge mode and there are 5 clients connected (5-10km each) I have upgraded to the 6. 1-3 and recent RCs. Post Reply Print view . Yomayra Valdez. The feature works by checking the source MAC address of the received loop Loop Protect. loop-protect only works properly when a port is configured with the default PVID 1 or VLAN filtering is disabled, the MikroTik Disable Loop IP And Invalid Loops Blocking It's Effect On The Network By Rehan Khan Raza As said, the supplicant is the device requesting to join the network. Pada dasarnya, cara kerja RSTP ini sebenarnya sama dengan STP karena RSTP merupakan pengembangan dari Spanning Tree Protocol (STP). It should work based on what you posted. It causes lags in large scale. 0 and send it back to ISP, and he sends it back to you again Yup, that's the problem. MikroTik MTCNA Instructors. Posts: 12 Joined: Sun Dec 07, 2014 8:44 pm. Posts: 3833 Joined: Fri May 28, 2004 5:22 pm. That is layer-2 switching loop, and they are really bad for the network, usually making nothing working until the loop is removed. Hello, I've got my hands on a few CRS326-24G-2S+ (budget is tight at the end of the year) running 6. Topic Author. small As the SONOS network is a blackbox, I'd suggest to keep the SONOS bridge connected directly to ether5, (such as an ARP request) is sent from Mikrotik's ether5, and gets treated the above way, so it returns to the Mikrotik; if the loop protection was disabled, Mikrotik would forward it to other bridge ports and nothing else would happen, I am new to the forum, with intermediate network skills and relatively new with the mikrotik devices(1 year of experience) To the pointi have a 912UAG-5HPnD device installed and i would like your opinion. I haven't any loop in my network, without this RB network works fine, without any loops or errors (arpwatch, monit, and other tools working), 1000 users, lot of switches - no errors. 17 is the latest in the 4. DHCP is off on unifi AP so forwarded to mikrotik One network is for guests: 192. Create a loop-free network with ease! A community-contributed subreddit for all things Mikrotik. 14. We are using mikrotik routers rb912g-5hpnd in electro vehicles moving in city. Not even by phone; they are always too busy. We are busy upgrading to Wireless N and have just replaced all the 802. I'm trying to add our new Mikrotik CRS518-16XS-2XQ-RM switches to our network in a way that we have full redundancy, while avoiding loops, but I'm not sure what the best approach is. After several testing on site, I've discovered it was caused by a Cambium eptp device that connects an external network with a ptp link. The STP protocol has 1 function on our layer 2 network: it is to avoid having loops on layer 2. Upon failure, it disables some nat rules so all DNS go through the router directly. Loop Detection Mikrotik Ketika kita dengan "sengaja" maupun tidak sengaja menancapkan kabel LAN dari satu port ke port yang lain pada switch yang sama maka yang akan terjadi adalah Learn how to configure and manage networks with MikroTik RouterOS v6, v7 and RouterBOARD. when power is on, the blue LED is always on and the USR and network lights blink every 8-10 seconds. VTP is used to distribute VLANs in core. You find in log the "Transmit loop detected, downing interface . 15 sec. โดยปกติบนระบบเครือข่ายจะมีการประกาศหรือเรียกว่า Broadcast อยู่แล้วระหว่างเครื่องที่เป็น Server และ Client ดังนั้นเมื่อ I wanted to ask is there is possible to make something like loop network? I mean like connecting switches to mikrotik and make them return to it. Don't worry is not a loop. I am new to the forum, with intermediate network skills and relatively new with the mikrotik devices(1 year of experience) To the pointi have a 912UAG-5HPnD device installed and i would like your opinion. Quick links. 41 or higher. It works by sending special loop protection packets (loop protect packets) from the And yet your Mikrotik is stating that it is sending a broadcast packet out, and is receiving that packet back on port 2 - something that should never happen in a correctly configured network. 1/24 on Ether 2 and Ether 3 is Slave of Ether 2. Mikrotik network unreachable. 0/24 with VLAN 200 The STP protocol has 1 function on our layer 2 network: it is to avoid having loops on layer 2. 1x Authentication. FAQ; Home. Now, I'm trying to understand what option on the Cambium is causing the problem! ป้องกัน Broadcast Storm บน MikroTik ด้วย Loop Protect . Hello folks, i inherited a huge network combined from Cisco and Mikrotik devices. if you have 1 Switch in your network and you want to protect yourself from loops, then you hAP AC2 random boot loop. Any chance of upgrading the router past 4. Enterprise Networking Design, Support, and Discussion. I made a diagram about what I'm trying to say. I have RBLHG-5nD and it's in the boot loop. 95. 0 I updated a Mikrotik CRS328-24P-4S+RM to the latest Stable-Version labeled "7. If we enable all MT devices after a certain time network go down and appear We have redundancies in our network and have configured RSTP throughout the mikrotik devices and in some devices MSTP (ubnt switches). So a configuration export (see my automatic signature below for an anonymisation hint) of all three devices as well as a diagram When we disable eth1 we expect the offending loop to be isolated from the remainder of the network and the client grooves to become available again. Community discussions. 1 to the route list on each AP, would this have caused the traffic loop, I havn't been able to get back to Enable the conflicting AP, just wondering if this lack of routing might have caused the AP to keep circultating the traffic with no route back to * iBGP should normally connect to loop back addresses - if OSPF fails, loopbacks fail, iBGP fails, network as a whole fails. 11g bullets with 802. We've had to update iBGP to use interface addresses which turns link-layer failures into routing failures, but these are far less frequent than OSPF currently (handful of failures per year compared to near hourly OSPF Hi ! I would like to ask you for help about our problem with WDS dynamic mesh. Search Search. first crs: eth24 uplink from management network, bridge port pvid 22 eth23 uplink from cctv network, bridge port pvid 9 sfp2 link to second crs, default bridge port pvid 1, tagged in bridge vlan with vlan id 9 eth24, eth23, sfp2 are ports of same bridge, bridge with vlan filtering enabled and pvid 22 and get mixed up with the switches and routers, and I have seen many times that they stick both sides of the cable in the router and call me telling "network is dead, and internet is gone too, we checked all but could not solve please check" then I have to drive all the way to discover that one of the cables between 100 others was in the router with both ends. The loop protect feature can prevent Layer2 loops by sending loop protect protocol packets and shutting down interfaces in case they receive loop protect packets originating from themselves. In analyzing network security, the Mikrotik Router is done by the method of penetration testing where the form of attacks on the network is To find out the security loop in Mikrotik routers, A community-contributed subreddit for all things Mikrotik. That switch is not supposed to be anything special just one of several switches that connects various Network loop? RouterOS general discussion. It is the set of procedures and messages by which Label Switched Routers (LSRs) establish Label Switched Paths (LSPs) through a network by mapping network-layer routing information directly to data-link layer switched paths. I have big problem in my network "loop" my users use router"TP-LINK" and when someone connect the internet cable in wrong port , its case loop in my network and stop all my Ap and server, how i can prevent this its killing me Please answer what i can do Running 5 x 433AH + XR9s with Nstreme. 5 to 6. 50 . I used to manage a network with thousands of Mikrotik mainly hAP AC lite, hAP AC3 but I Which mikrotik router and antennas will I need to get this job done? Is MikroTik able to connect to all 5G networks? Are there any limitations? Notes:Rack to window distance ~ 1,5m (3. approximately. Help on Auto Fail Over Loop Network on each node, i connect to other sub network using CAT6 cables. It's a home wifi with a until I've connected 3 devices that run into strange loop and they could never reach internet, since they are assigned/deassigned within few seconds away. 11 posts • Page 1 of 1. Thanks in advance. This traffic is from other part of network and doesn't have destination behind RB2011 I suspect: - vlan loop - poorly configured mikrotiks, where only 2 interfaces are bridged to pass all VLANs. The port I was trying to use on the Omada switch was flagged with the profile for VLAN 101. That switch is not supposed to be anything special just one of several switches that connects various Running 5 x 433AH + XR9s with Nstreme. At quick glance, there appeared to be a loop in Lattelekom, just before it should hit Latnet. 5U1 and Mikrotik verison 6. I used to manage a network with thousands of Mikrotik mainly hAP AC lite, hAP AC3 but I havent seen them failing this way. 44. I've even tested connecting directly to the peer (VPN server) from another laptop on a different network using the same settings, and the VPN works perfectly. 30 when the UPTIME is more than 248 days. Top. On the more distant MT, I set up the IWE-1100A as a WDS interface I've even tested connecting directly to the peer (VPN server) from another laptop on a different network using the same settings, and the VPN works perfectly. Not sure what's wrong, though. Skip to content. I am starting to lose my mind. Any solution/alternative would be very much appreciated. Is a mikrotik bug introduced ~ 2 years ago that appears random on many models. Can you please share the config on both devices (and post them in between code tags): /export hide-sensitive file=anynameyoulike We recently ran into some issue with one of our customers looping a cable and bringing the entire network down. Use the following commands on CE1: /ip address add address=192. I am still new to mikrotik so i just use it to see the logs, nothing else. Current situation - We have 2 ISPs, connected through BGP with 2 routers (Edge1 and Edge2) Network loop being blamed on new equipment help! Post by DirectWireless » Sat Mar 11, Wifi from the Hotel's LAN. If loop protection is disabled on the qsw-m2116p the network becomes unstable. Many MikroTik's devices come with a built-in switch chip that can be used to greatly improve overall throughput when configured properly. Bayangkan saja, ini adalah mikrotik rb4011 igs rm dengan 4 core cpu kemakan hingga Looking Into Loops (by Tony Fortunato)I’ve been involved in a few troubleshooting engagements where the good old loop reared its ugly head. We are going to need to create routes for reach loopback IP address in the whole network. Scenario is: Site 1 AP1<-->AP2 is the main link and AP3<-->the backup. 45. thanks | m | a | m | a | n | Pada router Mikrotik sudah dilengkapi dengan protokol Rapid Spanning Tree Protocol (RSTP) yang fungsinya untuk mencegah terjadinya looping pada jaringan bridge. Forum index. Disconnecting the Cambium device, immediately stop the bridge loop message on all Mikrotik devices. We have been Loop Protect is a RouterOS feature designed to prevent loops from forming at Layer 2. 38. However, I'm encountering a problem. my ping times go higher and then eventually it times out. 0 Hours. Loop protect feature can prevent Layer2 loops by sending loop protect protocol packets and shutting down interfaces in case they receive loop protect packets originated from themselves. Hi ! I would like to ask you for help about our problem with WDS dynamic mesh. 7 to replace some old (f)ailing HP 1GBit switches in our labs but I'm having issues with the mikrotik implementation of the loop-protect feature. After configuring everything, it seems like the machine at 192. 1/24) to get higher bandwidth at other end. Device: Mikrotik RouterBoard 2011UAiS. 0/0 and gateway 192. The benefit of having L2/L3 access to any router from any providers are just too good to ignore Running 5 x 433AH + XR9s with Nstreme. I have tried every combination of using the reset button to get into net install. The magic ends on Friday. Post by Cetalfio » Mon Apr 11, 2011 2:53 pm. 20. If between two switch the link is interrupted the network is not down and the route go in the other side. 0/24 with VLAN 1 Other network is private: 192. Top . IGP - Interior Gateway Protocol; EGP - Exterior Gateway protocol; RR - Route reflector is the router in the BGP network that reflects advertisements to all the neighbors, avoiding the requirement for full BGP mesh. General ISP and network discussion also permitted. I read long ago and always find what I want, but for months I have a problem that has me desperate. 1 (stable) 2024-03-08 12:50:23" Since the Update, the Device is in a permanent Boot-Loop. " This bug should be solved in 6. when connecting to an ethernet cable pc/laptop shows an unidentified network and then shows the network cable unplugged and keeps going on in the loop. Since then, I tried Loading the backup RouterBOOT loader Resetting the RouterOS configuration. there is a 'Status' tab and that tab shows 'Root Port' to be a different mikrotik switch on the network. Transmit loop detected. 195 is stuck in a loop on the router. I have had good experience with Mtik for many years. Once in time, i am getting undesirable traffic passing tru this Mikrotik causing lags in network and even crash with huge packet loss. Loop protect feature can prevent Layer2 loops by sending loop protect protocol packets and shutting down interfaces in case they receive loop protect packets originated from It can be difficult to find a switch loop. . Hi all, I have been struggling with an issue that one of my company's CCR1009-7G-1C-1S+ has for quite a while now. Maybe look to see if your OmniTik or something else is doing vlan9 cctv network, vlan22 management network. Send from my mobile via Tapatalk. 1. All details in this lesson! Network loops may emerge (intentionally or not) in complex topologies. troffasky Member Posts: 436 Joined: Wed Mar 26, 2014 3:37 pm. The network was actually a bit more complex than this - but it's the general idea - the two Mikrotiks (A & B) on the left were intended to be redundant. But when I plug routers to my network - network dying, and i see in logs: ether5-vlan excessive broadcasts/multicasts probably a loop. If we enable all MT devices after a certain time network go down and appear Don't route loop network. It made me thinking that it might be something wrong with how I use the device. Sorry for the errors and briefness. Note that every 6-7 mins the loop happens and there is a network outage for around 5 seconds. Enterprise Networking -- Routers, switches, Honeywell, Microsoft and MikroTik confirm (RFC862), Chargen (RFC864), and QOTD (RFC865) were specifically found to be vulnerable to such network loops. What’s the meaning of loop exactly and how it happens? Let me show you with example: Use Loop Protect on the MikroTik switch to avoid layer 2 loops; What is Taffic Storm Control and how to reduce it on the MikroTik Switch? As the SONOS network is a blackbox, I'd suggest to keep the SONOS bridge connected directly to ether5, (such as an ARP request) is sent from Mikrotik's ether5, and gets treated the above way, so it returns to the Mikrotik; if the loop protection was disabled, Mikrotik would forward it to other bridge ports and nothing else would happen, Search. ADMIN MOD How do fix the loop in Mikrotik script? I had a script that tries to resolve google domain using pihole DNS. The feature works by checking source MAC address of received loop protect packet against MAC addresses of loop protect enabled interfaces. We use Mikrotik on routing side, but ubiquiti on wireless access side. In this lab, I will be using two connections (one fiber and the other wireless, both connecting the HQ office to the a branch office) to demonstrate how we can create a layer two redundancy to automatically switch from the fiber to the wireless Known for creating quality components at a low cost, MikroTik provides excellent solutions for securing and monitoring your network. Network loop? Post by danriis » Thu Jun 18, 2020 12:02 am. The MikroTik RouterOS can be also a supplicant device with the 802. danriis just joined Posts: 21 Joined: Tue May 28, 2019 11:52 pm. Please ensure if you're asking a question you have . Re: CRS226 - loop protect, how? After restart from LCD at network works. That switch is not supposed to be anything special just one of several switches that connects various Network loop? Thu Jun 18, 2020 12:02 am. Unanswered topics; Active topics; Search I've a CAPsMan managed network with hAPac as router and 3 cAPacs as APs. 88. which protocol i have to use for that work? hAP AC2 random boot loop. You're probably plugged into an unconfigured switch thus creating a loop as all ports are in the same layer 2 network. There is a BUG in RouterOS 6. Top For sure is not a loop because the network topology is very simple: the router and 10 very simple APs connected to it. if i log into Winbox i can see the traffic on the card and wds links is Ketika kita dengan "sengaja" maupun tidak sengaja menancapkan kabel LAN dari satu port ke port yang lain pada switch yang sama maka yang akan terjadi adalah Hi Milan, the problem is that your ISP is sending you traffic to unused part of /21 and you don't have NULL route / any route that is matched, so you are using 0. Trace the route, and see why its "sended" back. The only reason why I chose v7 is to have zerotier package. I'm a 3 hours new Mikrotik user eheh!! We used to have a company that support our device but every time we need them every time then we have to wait for them like a week to 15 days. I hope you'll understand. Hello everyone. hello all I have RB951G-2HnD and 750GL I wont PPTP+ EoIP Add in 750GL PPTP Server and configure it add in 951G-2HnD I monitor logs as well and there are some bridge RX loop packets recorded on ether3 (airfiber 24 antenna is connected) very often but the thing which confuses me is that the occurrence of these bridge loop packets and loosing the mikrotik access are not same. Ngăn chặn vòng lặp mạng (Network Loops)! Một tính năng mà bạn cần phải biết! Dù có cấu hình bảo mật hoặc chính xác đến đâu, vẫn có một số vấn đề mà bạn không thể tránh được, đặc biệt là các vòng lặp Layer 2. Core network is made o Cisco 3XXX and 29XX. Go to content. Each bridge runs an I wanted to ask is there is possible to make something like loop network? I mean like connecting switches to mikrotik and make them return to it. MikroTik. I have been looking into 'Loop Protect' in current builds of RouterOS but can't seem to find a ton of information on it. The interface on which there's the most Multi- and Broadcasts is the one with Omnitik sender dish installed on. no problem. 40. Devices with a switch chip can be used as a router and a switch at the same time, this gives you the possibility to use a single device instead of multiple devices for your network. Every few days at random the network disconnects for a few seconds, and the CCR shows a "ether0: bridge port received packet with own address as source address (b8:69:f4:e0:77:7a), probably loop" entry in the log. 7 posts • Page 1 of 1. I don’t have any experience on 5G networks. 11n bullets and after being stable for a few minutes the mikrotik freaks out and it looks like i have a loop in the network. RouterOS general discussion. Site A has MikroTIk CCR 1009 with LAN IP Pool of 192. But I have upgraded 3 x waP's and they all stuck in boot loops. Hi all, I have suddenly started getting multiple alerts in the log that look like this: there is a 'Status' tab and that tab shows 'Root Port' to be a different mikrotik switch on the network. 1. My problem is that as soon as I connect R2 to R4, a Loop is created. We loose access even when there are no bridge loop packets recorded in the logs. Configure DHCP Snooping on the MikroTik Switch; Use Loop Protect on the #Looping #KnowledgeModulationWhile working as a Network Engineer you may face many issues and among one of them is looping between switches, it disconnects y Unit 3: Virtual local area network (VLAN) Understand what is the Virtual Local Area Network (VLAN) Understand and configure Port-Based VLAN on the MikroTik Switch; Use Loop Protect on the MikroTik switch to avoid layer 2 loops; What is Taffic Storm Control and how to reduce it on the MikroTik Switch? NLRI - Network Layer Reachability Information is what is being exchanged between BGP peers and represents how to reach the prefixes. Mikrotik log will show you notification about "possible loop", and loop is usually there. I've already setup the fiber to be a loop network connecting all nodes. How i can create this loop protect? Top. 2. As an example, if two application servers have a vulnerable I'm looking for solution where I need to combine 2 link (Load Balancing) from same LAN network (PPPoE IP Pool 192. 1 loop back, I used to do it on linux with Zebra. I wanted to ask is there is possible to make something like loop network? I mean like connecting switches to mikrotik and make them return to it. 94. Maybe someone here can provide some pointers. Forum Guru. Here is a quick reference showing both the format of a ":for" loop and code examples. 0 /ip dhcp-client add comment=defconf disabled=no interface=ether1 /ip dhcp-server network add address=192. Mikrotik supported an alternative loop detection method for layer 2 - something like what HP does with theirs, where basically the switch can send a broadcast packet, and, if it hears that When all links are active the crs312 fails to setup the link between it and the qsw-m2116p as alternate which creates a loop. Of course Mikrotik need to do big work with PSU and more in CRS3***, but i think he solve all issue. If loop protection is enabled one of the links gets completely disconnected and retested every few minutes to break the loop. I used a IWE-1100A as the WDS master, inside the building, wired to the Internet, and the 2 Mikrotik routers each set as AP bridge with WDS enabled/static. I would like to do my own loop back addresses like on cisco kit I can have an address assigned which is injected into the routing table to stableise my dynamic network. I used to manage a network with thousands of Mikrotik mainly hAP AC lite, hAP AC3 but I Given that the "MELI" and "MikroTik" devices are visible as neighbors at two interfaces each, and as these interfaces are probably member ports of the same bridge, the loop may actually be there, but you've provided too little information. I would like to connect a MikroTik hAP lite to my FRITZ!Box IPSec VPN. That switch is not supposed to be anything special just one of several Network loop? Thu Jun 18, 2020 12:02 am. loop-protect-disable-time=10s loop-protect-send-interval=1h mac-address=00:00:5E:80:01:00 mtu=1500 \ I have seen this issue with a CHR on VMware ESXi 6. What’s the meaning of loop exactly and how it happens? Let me show you with example: ether7: bridge port received packet with own address as source address (74:4d:28:01:2f:3a), probably loop I also get it on ether5 sometimes but mostly ether7. Register; Login The problem I have is that I am seeing a lot of LOOP warnings in the logs. I also see that my network is really unstable after the Mikrotik network unreachable. (similar problem to loopbacks, fortunately these destination networks are generally intended for routing EGP so it's 99% of the time not a blocking issue since mostly only the router itself needs to be able to access these destinations). 34, which I was told by Mikrotik support. Not just the local 127. 35. As distributors, we offer a Hi, yesterday i updated my Mikrotiks to 7. I have more than 200 ubiquiti stations for point-to-multipoint corporate links. Loop Detection Mikrotik I've been using my Mikrotik HEX s for a while now and I'm very happy with it, but I don't know where to turn to get my gigabit network working. Essentially it’s a L2 topology for management and our network is starting to get quite large. 14? 4. I cannot find reason, why i am getting unwanted traffic into devices /once-in-time/, which traffic doesn't belong to. 0/24 comment For loop format & examples. See static routing example here. DC:0D arp=enabled arp-timeout=auto loop-protect=default loop-protect-status=off loop-protect-send-interval=5s loop-protect-disable-time=5m auto-negotiation=yes As the SONOS network is a blackbox, I'd suggest to keep the SONOS bridge connected directly to ether5, (such as an ARP request) is sent from Mikrotik's ether5, and gets treated the above way, so it returns to the Mikrotik; if the loop protection was disabled, Mikrotik would forward it to other bridge ports and nothing else would happen, MikroTik. For all those who have the same problem with "Transmit loop detected". I checked all the devices in the extended network connected via ether3 and found these loop errors in those mikrotik switches. LDP is a protocol defined for distributing labels. When network is pretty dead, Mikrotik device is very slow and confused, you most often have a loop in your network segment. Whether you are searching for a Mikrotik switch, a Mikrotik antenna, Mikrotik license or the newest Cloud Core router, we’ve got the solution for you. And if somewhere between We have a network that looks like this: We are trying to detect the network loop on the unmanaged switch and turn eth1 off on the offending client groove. harryng9108 just joined Posts: 6 Joined: Wed Sep 27, 2023 12:44 pm. x train, otherwise 5. Baltic Networks has been an Authorized MikroTik Partner since 2009. But when I changed to NV2 a LOT of weird stuff started happening to my network, random devices and systems seemed to disconnect from the network entirely, it was kinda like a network loop somewhere was wreaking havoc. 14 don't show anything proxy related that would qualify. In this day and ag MikroTik. I know this gonna need the RSTP protocol, so i've For loop format & examples. Change the dst address to this "router" Most common loop is the simple R1-R2-R3. 2x cAP ax -> ok CRS328v1 -> ok CRS328v2 -> ok mAP lite -> ok RB850Gx2 -> Bootloop I have no idea why. 28ft) I’m using mtik routers for the last 2 years, configuring basic setups. Now, I'm trying to understand what option on the Cambium is causing the problem! Good evening, i have to create a loop with switch mikrotik CRS112-8G-4S-IN connected in sequence mode. ubrmh qgrthyh rotll gpnhkck exgu tpvure vcyeq pekpxh gmls utoful