Igmp querier mikrotik. html>ah

Mar 7, 2024 · IGMP Router Port Aging Interval is Set to 180s or holdtime in hello IGMP Filter Group-Policy is not set IGMP Prompt Leave Disable IGMP Host-based Prompt Leave Disable IGMP Router Alert is Not Required IGMP Send Router Alert Enable IGMP Proxy Disable IGMP Report Suppress Disable IGMP Suppress Time is set to default 10 seconds IGMP Querier Disable Jan 28, 2023 · 1. Our step by step guide will teach you how to configure IGMP Snooping for the MikroTik routerOS. Protocol Independent Multicast - Sparse Mode (PIM-SM or PIM) enables RouterOS to support multicast streaming over network area where routers have PIM set up. Jan 19, 2021 · I did as you suggested and spent some time using torch. 1. When RouterOS IPv6 package is enabled, the bridge will also generate MLD general membership queries. • Unregistered Multicast Filtering – On. Further to point #2, the output of "/export" has higher information density than prose, and it doesn't forget to mention key details. Once IGMP/MLD querier is detected by receiving an IGMP/MLD query message (the query message can be received by an external multicast router or locally by bridge interface with enabled multicast-querier), only then the bridge will start to restrict unknown multicast traffic from 224. 16 released! DL7JPSat Mar 02, 2024 9:33 pm. IGMP Version: Changes IGMP version for switch querier. This property only has an effect when igmp-snooping and multicast-querier is set to yes. Skip to content. On the switch uplink port towards the router. Unfortunately we lack an IGMP querier somewhere on the network for IGMP snooping to work on L2 switches. The bridge will stop forwarding multicast traffic to a bridge port when an IGMP/MLD leave message is received. See this IGMP query request/response conversation for example. Unfortunately that means your issue is different to mine. This is confirmed from MikroTik support per April 15th 2019; Currently, SwOS will act as an IGMP querier when IGMP Snooping is enabled and there is no option to disable this. As a result, IGMP queries passed the firewall but are then still dropped due to the policy. This property only has an effect when igmp-snooping is set to yes. • IGMP Snooping – On. SwOS acts as a querier when set in IGMP Snooping-mode. If a port spanning-tree, a port group, or a VLAN ID change occurs, the IGMP snooping-learned multicast groups from this port on the VLAN are deleted. Where can I see the currently active multicast groups? In the past with slightly different configs, either current device as igmp querier or with PIM, I could see the active multicast either in the MDB section in bridge (winbox) or in Aug 15, 2023 · I have a local multicast udp stream enabled on my local lan (i. Only applies when IGMP Querier is enabled. We are operating currently more than 20 Switches and over 150 APs. enable IGMP Snooping. This property only has an effect when IGMP Snooping is enabled. Dec 6, 2023 · > on ISP router unfortunately I can't bridge the ports, so mikrotik router is behind NAT , this is a limitation that Vodafone PT has. But when you insert switch between, even if it is in private VLAN, IGMP only receives first IGMP Join message and then it stops receiving there requests and mikrotik after while stops forwarding multicast Aug 15, 2023 · I have a local multicast udp stream enabled on my local lan (i. I have a local multicast udp stream enabled on my local lan (i. 9 rx-bytes=1197077796 rx-packets=890982 tx-bytes=0 tx-packets=0 1 interface=down threshold=1 upstream=no querier=yes source-ip-address=192. Aug 15, 2023 · I have a local multicast udp stream enabled on my local lan (i. Post by Chaosphere64 » Sun Mar 28 Jul 2, 2022 · Using the Device as an IGMP Querier "If you configure multiple devices to be IGMP queriers, the device with the lowest (smallest) IGMP querier source address takes precedence and acts as the querier. > IGMP snooping is enabled. IGMP Query Interval is Set to default 125s. Oct 27, 2018 · Only untagged IGMP/MLD general membership queries are generated, IGMP queries are sent with IPv4 0. However no real connectivity is achieved. Apr 6, 2024 · On our mikrotik we cannot see the active groups. The debugging steps might still be helpful - I suspect in your case the query also doesn't make it to May 11, 2024 · That's to be expected since you don't have a IGMP querier enabled when /routing/igmp-proxy is disabled. 2, igmp is enabled. 168. Oct 27, 2018 · Steps to reproduce: enable L2 hw offload on bridge ports. IGMP Proxy Querier - Source IP Address selection. The PIM interface can be used as an IGMP querier. Maybe MIKROTIK OFFICIAL or something can confirm Edit: in your screenshot we can see the multicasts because your mikrotik IS the querier, mine isnt'. e. Aug 15, 2023 · On Mikrotik router (latest router os) with default config and igmp snooping enabled that group is always active on lan bridge, even if there are no joins on that group in our local lan. Dec 11, 2017 · The only thing you need to ensure is that the querier is sufficiently "central" on your network that: the querier is in a position to see the clients' IGMP group join and group leave packets. Mikrotik Discovery Protocol: Enable or disable Mikrotik Neighbor Discovery protocol: MAC Address: MAC address of the switch (read-only) Serial Number: Serial number of by zichovsky » Wed Jan 14, 2015 3:29 pm. com/download Feb 7, 2024 · 3. This property only has effect when igmp-snooping and multicast-querier is set to yes. This page was last edited on 11 March 2010, at 13:44. IGMP Fast Leave: Enables or disables IGMP fast leave feature per switch port. Apr 6, 2024 · It all works as it should, igmp querier is detected by the bridge and displayed in the bridge status section. Learn now in this lesson! Feb 23, 2024 · Re: SwOS version 2. The same role for IPv6 is performed by the Multicast Listener Discovery protocol (MLD). On router port to which you connect the switch and. Các bước cấu hình IPTV FPT với IGMP Protocol trên Router MikroTik. query-response-interval (time; Default: 10s) The setting changes the response time for general IGMP/MLD queries when the bridge is active as an IGMP/MLD querier. Essentially, the long page about "Bridge IGMP/MLD" essentially boils down to: Code: Select all May 11, 2024 · That's to be expected since you don't have a IGMP querier enabled when /routing/igmp-proxy is disabled. Essentially, the long page about "Bridge IGMP/MLD" essentially boils down to: Code: Select all Dec 6, 2023 · My setup is as follows: > rb750gr3 is connected to ISP router via ether1. If quick-leav= e is on, then an IGMP Leave message is sent upstream as soon as a leave mes= sage is received from the first client on the downstream interface. If this is ROS 6, be sure to hide-sensitive. A multicast router port is a port where a multicast router or querier is connected. The bridge will not send queries if an external IGMP/MLD querier is detected (see the monitoring values igmp-querier and mld-querier). > All ports in rb750gr3 are bridged through WAN > IGMP snooping is enabled. 1 post • Page 1 of 1. Trước tiên, thiết bị định tuyến Router MikroTik cần đảm bảo truy cập được mạng Internet qua các bước cấu hình cơ bản cho Router MikroTik như cấu hình WAN, LAN (Gateway, Subnetmask, DHCP, NAT, Routes). IGMP Max Response Interval is Set to default 10s. 1:5000). Quick links. as result ipv6 addresses will expire on clients soon, looks like router stops to send RA multicast. Essentially, the long page about "Bridge IGMP/MLD" essentially boils down to: Code: Select all Without a multicast querier in a Layer2 network, the Multicast Database (MDB) is not being updated, the learned entries will timeout and IGMP snooping will not function properly. Community discussions. I attached the bridge status page, can you please check if the multicast querier is set correctly? (the config is based on the official MikroTik example btw). 0 source address, MLD queries are sent with IPv6 link-local address of the bridge interface. Drawbacks: use more router resources to manage it. The devices with higher IGMP querier source addresses stop sending IGMP queries unless they do not receive IGMP queries for 255 seconds. My logic is: if instead of this mikrotik I would use a HP procurve or aruba switch (or others, netgear, zyxel etc), with IGMP snooping being enabled and querier disabled on this switch, (as we said, we don't want a 2nd querier, we already have one Nov 10, 2022 · I had an (unrelated) IPsec policy which happened to match on the IGMP querier source address. Essentially, the long page about "Bridge IGMP/MLD" essentially boils down to: Code: Select all Oct 27, 2018 · Steps to reproduce: enable L2 hw offload on bridge ports. That 0. The entry is also not present in MDB list on lan bridge. Specifically, IGMP allows devices to join a multicasting group. When client is connected directly to the ethernet port of router, where IGMP proxy is running, it's working OK. Nov 10, 2022 · I had an (unrelated) IPsec policy which happened to match on the IGMP querier source address. Mar 1, 2010 · I am using a 750G with IGMP Proxy for streaming of TV the problem I have is that off the 750G I have a server and 2 wireless APs so the setup is 750G -- Port1 (Server)-- Port2 (Wireless N AP)-- Port3 (Wireless G AP) All connected clients including Server receive an IP address via DHCP server on Mikrotik and ports are in a Bridge May 11, 2024 · That's to be expected since you don't have a IGMP querier enabled when /routing/igmp-proxy is disabled. Enables IGMP/MLD fast leave feature on the bridge port. query-response-interval (time; Default: 10s) Interval in which a IGMP capable device must reply to a IGMP query with a IGMP membership report. 0 querier address, this is a special case querier address that should not affect the querier election, the multicast routers and IGMP proxy should ignore such packets. Use yes : only in case there is o= nly one subscriber behind the proxy. Only untagged IGMP/MLD general membership queries are generated, IGMP queries are sent with IPv4 0. May 11, 2024 · That's to be expected since you don't have a IGMP querier enabled when /routing/igmp-proxy is disabled. " So does it mean that IGMP proxy would not be able to direct multicast towards PC2 on the Sep 22, 2005 · IGMP proxy has a serious BUG. It all works as it should, igmp querier is detected by the bridge and displayed in the bridge status section. • IGMP Querier – On. To avoid replacing one of the layer2 switch by an expensive layer3 switch, we are considering using a Mikrotik RB450 L3 switch/router simply to send IGMP queries. Apr 6, 2024 · Our mikrotik is not the querier and should not be the querier for the same reasons you explained. Jun 24, 2016 · All bridges on RBD52G-5HacD2HnD and CRS328-24P-4S+ IGMP Snooping. Essentially, IGMP snooping is a layer 2 optimization for the layer 3 IGMP. Return to “Beginner Basics”. How long to wait for responses to an IGMP Query messa= ge. 9 rx-bytes=0 rx-packets=0 tx-bytes=7235184 tx-packets=5414 Routing/IGMP-Proxy. PIM should be used when network topology is Aug 17, 2023 · I have a local multicast udp stream enabled on my local lan (i. IGMP/MLD Querier: El IGMP/MLD Querier es responsable de enviar consultas para descubrir qué hosts están interesados en los grupos de multicast. Dec 2, 2021 · On our mikrotik we cannot see the active groups. Sep 13, 2013 · Does anyone knows the values of the IGMP-Snooping on a CSS610. Essentially, the long page about "Bridge IGMP/MLD" essentially boils down to: Code: Select all Oct 3, 2017 · multicast-querier (yes | no; Default: no) Multicast querier generates IGMP general membership queries to which all IGMP capable devices respond with an IGMP membership report, usually a PIM (multicast) router or IGMP proxy generates these queries. Tham khảo This property only has an effect when igmp-snooping and multicast-querier is set to yes. Yes, IGMP snooping is realy needed. 2. 1. Several configured PIM routers together will make multicast cloud where client devices can use IGMP to manage subscriptions to streams. I have a strange situation - on part of the ports from the switch to the routers, I get normal traffic for the channel requested by the TV set-top box (about 6 Mbit). IGMP is a network layer protocol used to set up multicasting on networks that use the Internet Protocol version 4 (IPv4). You can also see the multicast groups to which interfaces belong and other IGMP membership information. My guess? The IGMP querier, which you haven't said a thing about. If I disable IGMP Proxy, the TV doesn't work. Download package Multicast: https://mikrotik. 0. 4. Feb 18, 2022 · That said, you’ve also spoken of setting up an IGMP querier on the router, which makes it a client, so it needs an IP to send those queries from, else it cannot receive answers from active hosts still wanting a given multicast stream. set short ra-lifetime and reachable-time in ipv6 ND config, reduce ra-interval. Dec 6, 2017 · Re: [SOLVED] SwOS IGMP Snooping hijacking mrouter role!! by hatlen » Wed Apr 24, 2019 8:10 am. On switch port towards IPTV. The Internet Group Management Protocol (IGMP) is a link-local protocol for IPv4 that communicates this information between receivers and routers. My ISP provided me dlink router DIR-2150 on this router i specify/enable igmpv2 and interface for IP TV (untagged) and WAN tagged with vlan 388 and it is working fine. Dear users, We've got 2 IPTV networks using only L2 switches. Nov 21, 2017 · You can configure an IGMP snooping querier to support IGMP snooping in subnets without multicast interfaces because the multicast traffic does not need to be routed. To avoid replacing one of the layer2 switch by an expensive layer3 switch, we are considering using a Mikrotik RB450 L3 switch Dec 6, 2017 · Re: [SOLVED] SwOS IGMP Snooping hijacking mrouter role!! by hatlen » Wed Apr 24, 2019 8:10 am. Oct 7, 2017 · I checked and both switches have the default IGMP snooping parameters, no difference there. Feb 23, 2015 · To what I can understand from theory, activate IGMP spoofing on the router LAN interface bridge, with Multicast Querier also activated on the router. Once IGMP/MLD querier is detected by receiving an IGMP/MLD query message (the query message can be received by an external multicast router or locally by bridge interface with enabled multicast-querier), only then the bridge will start to restrict unknown IP multicast traffic and forward the known multicast from the multicast database (MDB Jul 1, 2023 · Hi Guys, i am struggling for 2 days how to proceed with my provider settings and Mikrotik. Aug 16, 2023 · *) added option to disable IGMP querier; *) added option to specify IGMP version; *) added IGMP fast leave feature; *) added support for host table sorting; *) added Clear All/Set Default buttons in the Port Isolation menu; *) added option to set forced 10G for SFP ports; *) css610: improved Ingress Rate limiter precision; Aug 10, 2016 · MikroTik. Jun 2, 2021 · As for the 0. IGMP Fast Leave: Enables or disables IGMP fast leave feature on the switch port. FAQ; Home. Jun 5, 2006 · Code: Select all /routing igmp-proxy interface> print status Flags: X - disabled, I - inactive, D - dynamic, U - upstream 0 U interface=up threshold=1 upstream=yes source-ip-address=192. 0/4 and ff00::/8 address ranges and forward the known Summary. Then igmp is enabled on second device 10. Jan 19, 2021 · 2. Disabling the L2 hw offloading solves the issue, but IGMP Proxy still working unstable. View IP Multicast Information to see IGMP-enabled interfaces, the IGMP version, Querier address, robustness setting, limits on the number of multicast groups and sources, and whether the interface is configured for Immediate Leave. Amm0 wrote: ↑ Mon May 20, 2024 6:25 pm Yeah I'm not convinced everything multicast is 100% on RouterOS. 0 address is a bit worrying. The values for SFP RX Power and SFP TX Power are not given (even though listed in Mikrotiks MIB), but shown on the Web Interface. Feb 22, 2015 · CRS328: L3 hw offloaded, VLAN enabled bridge with IGMP snooping enabled Cap ac aps: no capsman Below my CRS328 bridge export. Jun 24, 2021 · we are currently trying to configure a CRS326-24S+2Q+ in our Unifi System because Unifi has a IGMP-Bug in their new AGG-Pro Switch. Benefits: Network can be IGMP-Proxy only if network topology is simple and without loops (for example star topology) Drawbacks: Benefits: with static multicast routes, clients can be IGMP unaware. It provides switches with a mechanism to prune multicast traffic from links that do not contain a multicast listener (an IGMP client). Apr 14, 2024 · It all works as it should, igmp querier is detected by the bridge and displayed in the bridge status section. The basic IGMP mechanism works as follows. Essentially, the long page about "Bridge IGMP/MLD" essentially boils down to: Code: Select all May 30, 2021 · Say on device with ip 10. It immediately becomes querier and starts to send query packet. Nov 2, 2021 · First of all, the multicast-Querier feature is not VLAN aware, meaning that a Bridge ( supposing we also have VLANs configured ) with IGMP snooping enabled and multicast-Querier=yes will always send untagged General Membership Queries. 16 is shown. May 7, 2021 · Hi, I'm not so experienced with mikrotik RouterOS and i'm having a problem with activating IGMP on my CRS326. Here's a small diagram of my very simple and humble network: What makes it work - If you connect the TV Box directly to ISP router. Where can I see the currently active multicast groups? In the past with slightly different configs, either current device as igmp querier or with PIM, I could see the active multicast either in the MDB section in bridge (winbox) or in Dec 2, 2021 · It all works as it should, igmp querier is detected by the bridge and displayed in the bridge status section. Note that both parties send their packets I have a local multicast udp stream enabled on my local lan (i. No matter what the VLAN configuration is or if frame-types=admit-only-vlan-tagged is configured on the Bridge Dec 9, 2023 · > on ISP router unfortunately I can't bridge the ports, so mikrotik router is behind NAT , this is a limitation that Vodafone PT has. > on ISP router unfortunately I can't bridge the ports, so mikrotik router is behind NAT , this is a limitation that Vodafone PT has. No matter what the VLAN configuration is or if frame-types=admit-only-vlan-tagged is configured on the Bridge Dec 6, 2017 · Re: [SOLVED] SwOS IGMP Snooping hijacking mrouter role!! by hatlen » Wed Apr 24, 2019 8:10 am. IGMP group query packets sent by the querier get seen by all of the other affected IGMP snooping switches. > All ports in rb750gr3 are bridged through WAN. May 7, 2021 · mcbrown90 wrote: ↑ Thu Jan 11, 2024 11:30 am Hi, I'm not so experienced with mikrotik RouterOS and i'm having a problem with activating IGMP on my CRS326. Where can I see the currently active multicast groups? In the past with slightly different configs, either current device as igmp querier or with PIM, I could see the active multicast either in the MDB section in bridge (winbox) or in May 11, 2024 · That's to be expected since you don't have a IGMP querier enabled when /routing/igmp-proxy is disabled. 17rc2 is listed as the latest available version. IGMP Version is Set to default 2. • IGMP Immediate/Fast Leave – On. That's to be expected since you don't have a IGMP querier enabled when /routing/igmp-proxy is disabled. by mikael » Tue Mar 10, 2009 2:18 am. I have some of them connected to a Huawei S67xx and i need to check if the paremeters are the same: IGMP Snooping is Enabled. Also we have a IPTV-Headend in-house on a separate VLAN. Mikrotik has some nice hardware with switch chips, usable as prefect CPE or in "last mile" access layer, but without support for IGMP snooping it can't be used, for example, in scenarios, where multicast IPTV is used. The only way to disable this multicast traffic is to disable “unknown multicast flood” on that May 11, 2024 · That's to be expected since you don't have a IGMP querier enabled when /routing/igmp-proxy is disabled. My suspicion is that the IGMP snooping happens with hardware offload and the OS isn't pulling all the info from the switch chip. Where can I see the currently active multicast groups? In the past with slightly different configs, either current device as igmp querier or with PIM, I could see the active multicast either in the MDB section in bridge (winbox) or in . Cuando se detecta un Querier, el bridge comienza a restringir el tráfico de multicast desconocido y solo reenvía el conocido desde la base de datos de multicast (MDB). In order to get my RA and SLAAC 'working' again, I enabled multicast querier and added a static entry for ff02:: in the MDB list to vlan 60. Mar 10, 2009 · Unfortunately we lack an IGMP querier somewhere on the network for IGMP snooping to work on L2 switches. 13, but also the Changelog of 2. With igmp snooping turned on, multicast querier turned off, and after having "flipped" UPnP configuration (set NAS VLAN to "external" and audio receiver VLAN to "internal") I see the following: I see IGMP traffic from the audio receiver VLAN arriving to the RP on the NAS VLAN. Dec 6, 2023 · My setup is as follows: > rb750gr3 is connected to ISP router via ether1. Essentially, the long page about "Bridge IGMP/MLD" essentially boils down to: Code: Select all The Internet Group Management Protocol (IGMP) is a protocol that allows several devices to share one IP address so they can all receive the same data. There is some time-based option that engages after the configuration is applied. udp://239. Since it has not heard any query yet, it starts to send the query and once the first L3 device receives it, since the query that it received has an lower ip, it lets the 2nd device be If router hardware resources allow, it is possible to configure multicast network using just PIM-SM. Also 2. May 11, 2024 · Re: IPTV cuts and pixelations with Movistar Spain and HAP ax3. When I enable IGMP on the bridge(set bridge igmp-snooping=yes) the switch becomes unavailable(so I have to connect the serial cable and undo the setting(set bridge igmp-snooping=no)). (at least 8000 bytes). Where can I see the currently active multicast groups? In the past with slightly different configs, either current device as igmp querier or with PIM, I could see the active multicast either in the MDB section in bridge (winbox) or in Dec 11, 2017 · First of all, the multicast-Querier feature is not VLAN aware, meaning that a Bridge ( supposing we also have VLANs configured ) with IGMP snooping enabled and multicast-Querier=yes will always send untagged General Membership Queries. Essentially, the long page about "Bridge IGMP/MLD" essentially boils down to: Code: Select all IGMP querier. • Jumbo Frames – On. I am confused by this update: See attached what the SwOS UI of a CRS354-48G-4S+2Q+ shows: System is up to date with 2. The two devices are communicating with each other. Aug 13, 2012 · In case tagged IGMP queries should be sent or IGMP queries should be generated in multiple VLANs, it is possible to install a multicast package, add a VLAN interface and configure a PIM interface on VLAN. quick-leave: Specifies action on IGMP Leave message. The debugging steps might still be helpful - I suspect in your case the query also doesn't make it to IGMP snooping is designed to prevent hosts on a local network from receiving traffic for a multicast group they have not explicitly joined. VLAN are supported on them. On Mikrotik router (latest router os) with default config and igmp snooping enabled that group is always active on lan bridge, even if there are no joins on that group in our local lan. Jun 26, 2024 · I have a local multicast udp stream enabled on my local lan (i. ny wk ah dv te cv cd aq qh vc