How to enable IGMP on the CRS326 (2024)

Hi,

I'm not so experienced with mikrotik RouterOS and i'm having a problem with activating IGMP on my CRS326.
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)).

The goal is that on VLAN 1, 10 and 20 IGMP is enabled, but i'm not sure where to start.
my current config:

/interface bridgeadd admin-mac=48:8F:5A:B6:1B:D9 auto-mac=no comment=defconf name=bridge port-cost-mode=short vlan-filtering=yes/interface ethernetset [ find default-name=ether1 ] comment=Zolder1set [ find default-name=ether2 ] comment=Zolder2set [ find default-name=ether3 ] comment=RaspberryPiset [ find default-name=ether4 ] comment=ZigStarset [ find default-name=ether5 ] comment=DIRIGERAset [ find default-name=ether12 ] comment=NAS-1set [ find default-name=ether13 ] comment=NAS-2set [ find default-name=sfp-sfpplus1 ] auto-negotiation=no comment=Router speed=2.5G-baseTset [ find default-name=sfp-sfpplus2 ] comment=switch2/interface bondingadd comment=Zolder mode=802.3ad name=bonding1 slaves=ether1,ether2add comment=NAS mode=802.3ad name=bonding2 slaves=ether12,ether13/interface listadd name=WANadd name=LAN/interface wireless security-profilesset [ find default=yes ] supplicant-identity=MikroTik/ip hotspot profileset [ find default=yes ] html-directory=hotspot/portset 0 name=serial0/snmp communityset [ find default=yes ] disabled=yesadd addresses=::/0 comment=checkmk name=checkmk security=authorized/interface bridge portadd bridge=bridge comment=defconf interface=ether3 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether4 internal-path-cost=10 path-cost=10 pvid=20add bridge=bridge comment=defconf interface=ether5 internal-path-cost=10 path-cost=10 pvid=20add bridge=bridge comment=defconf interface=ether6 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether7 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether8 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether9 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether10 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether11 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether14 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether15 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether16 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether17 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether18 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether19 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether20 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether21 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether22 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether23 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=ether24 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=sfp-sfpplus1 internal-path-cost=10 path-cost=10add bridge=bridge comment=defconf interface=sfp-sfpplus2 internal-path-cost=10 path-cost=10add bridge=bridge comment=Zolder interface=bonding1add bridge=bridge comment=NAS interface=bonding2/interface bridge vlanadd bridge=bridge comment=LAN tagged=sfp-sfpplus1,bonding1,sfp-sfpplus2 vlan-ids=10add bridge=bridge comment=IOT tagged=bonding1,sfp-sfpplus1,sfp-sfpplus2 untagged=ether4,ether5 vlan-ids=20add bridge=bridge comment=DMZ tagged=sfp-sfpplus1,bonding1 vlan-ids=200/interface detect-internetset detect-interface-list=all/interface list memberadd interface=ether1 list=WANadd interface=ether2 list=LANadd interface=ether3 list=LANadd interface=ether4 list=LANadd interface=ether5 list=LANadd interface=ether6 list=LANadd interface=ether7 list=LANadd interface=ether8 list=LANadd interface=ether9 list=LANadd interface=ether10 list=LANadd interface=ether11 list=LANadd interface=ether12 list=LANadd interface=ether13 list=LANadd interface=ether14 list=LANadd interface=ether15 list=LANadd interface=ether16 list=LANadd interface=ether17 list=LANadd interface=ether18 list=LANadd interface=ether19 list=LANadd interface=ether20 list=LANadd interface=ether21 list=LANadd interface=ether22 list=LANadd interface=ether23 list=LANadd interface=ether24 list=LANadd interface=sfp-sfpplus1 list=LANadd interface=sfp-sfpplus2 list=LAN/interface ovpn-server serverset auth=sha1,md5/ip dhcp-clientadd interface=bridge...

What am I doing wrong?

From your exported configuration it seems that you have missed the relevant parts of the documentation, namely: CRS3xx, CRS5xx, CCR2116, CCR2216 switch chip features and L3 Hardware Offloading and L3HW Device Support CRS3xx: Switch DX3000 and DX2000 Series and Spanning Tree Protocol and Layer2 misconfiguration LAG interfaces and load balancing and Bridge IGMP/MLD snooping.

When modifying your configuration I made the following assumptions as you have not included a network lay out nor a full configuration:

  • you have four DHCP servers for your four VLANs:
    • 1, network: 192.168.1.0
    • 10, network: 192.168.10.0
    • 20, network: 192.168.20.0
    • 200, network: 192.168.200.0
  • your RaspberryPi connected to Eth3 provides the DHCP servers and has the 192.168.1.2 IPv4 address
  • you would like to use the L3HW featured just haven't configured yet
  • your RaspberryPi is your PIM-SM multicast router with
    • region name mymulticastregion-01 (also on all of your switches)
    • region version is 0
    • you have set up your other switches with MSTP, IGMPv3 and MLDv2
  • and you have set on your other switches' bridges priority to a higher value than 8000 HEX, so this is your root bridge
  • you set the port as trusted on your other switch which is connected to SFP2 on this
  • you don't want to be locked out from the management of your device, therefore I've created a management VLAN
    • named MGMT
    • with VLAN id 99
    • with network 192.168.99.0
    • added Eth23 and Eth24 as untagged access ports to the management network just in case.

Code: Select all

/interface bridgeset 0 add-dhcp-option82=yes admin-mac=48:8F:5A:B6:1B:D9 ageing-time=5m arp=\ enabled arp-timeout=auto auto-mac=no comment=defconf \ dhcp-snooping=yes disabled=no ether-type=0x8100 fast-forward=yes \ forward-delay=15s frame-types=admit-all igmp-snooping=yes igmp-version=3 \ ingress-filtering=yes last-member-interval=1s last-member-query-count=2 \ max-hops=20 max-message-age=20s membership-interval=4m20s mld-version=2 \ mtu=auto multicast-querier=no multicast-router=temporary-query name=\ bridge port-cost-mode=long priority=0x8000 \ protocol-mode=mstp pvid=1 querier-interval=4m15s query-interval=2m5s \ query-response-interval=10s region-name=mymulticastregion-01 region-revision=0 \ startup-query-count=2 startup-query-interval=31s250ms \ transmit-hold-count=6 vlan-filtering=yes/interface ethernetset [ find default-name=ether1 ] l2mtu=10218 mtu=9000 comment=Zolder1set [ find default-name=ether2 ] l2mtu=10218 mtu=9000 comment=Zolder2set [ find default-name=ether3 ] l2mtu=10218 mtu=9000 comment=RaspberryPiset [ find default-name=ether4 ] l2mtu=10218 mtu=9000 comment=ZigStarset [ find default-name=ether5 ] l2mtu=10218 mtu=9000 comment=DIRIGERAset [ find default-name=ether6 ] l2mtu=10218 mtu=9000set [ find default-name=ether7 ] l2mtu=10218 mtu=9000set [ find default-name=ether8 ] l2mtu=10218 mtu=9000set [ find default-name=ether9 ] l2mtu=10218 mtu=9000set [ find default-name=ether10 ] l2mtu=10218 mtu=9000set [ find default-name=ether11 ] l2mtu=10218 mtu=9000set [ find default-name=ether12 ] l2mtu=10218 mtu=9000 comment=NAS-1set [ find default-name=ether13 ] l2mtu=10218 mtu=9000 comment=NAS-2set [ find default-name=ether14 ] l2mtu=10218 mtu=9000set [ find default-name=ether15 ] l2mtu=10218 mtu=9000set [ find default-name=ether16 ] l2mtu=10218 mtu=9000set [ find default-name=ether17 ] l2mtu=10218 mtu=9000set [ find default-name=ether18 ] l2mtu=10218 mtu=9000set [ find default-name=ether19 ] l2mtu=10218 mtu=9000set [ find default-name=ether20 ] l2mtu=10218 mtu=9000set [ find default-name=ether21 ] l2mtu=10218 mtu=9000set [ find default-name=ether22 ] l2mtu=10218 mtu=9000set [ find default-name=ether23 ] l2mtu=10218 mtu=9000set [ find default-name=ether24 ] l2mtu=10218 mtu=9000set [ find default-name=sfp-sfpplus1 ] l2mtu=10218 mtu=9000 auto-negotiation=no comment=Router speed=2.5G-baseTset [ find default-name=sfp-sfpplus2 ] l2mtu=10218 mtu=9000 comment=switch2/interface ethernet switchset 0 !cpu-flow-control l3-hw-offloading=yes mirror-source=none \ mirror-target=none name=switch1 qos-hw-offloading=yes/interface ethernet switch portset 0 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 1 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 2 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 3 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 4 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 5 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 6 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 7 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 8 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 9 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 10 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 11 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 12 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 13 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 14 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 15 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 16 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 17 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 18 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 19 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 20 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 21 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 22 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 23 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 24 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 25 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100set 26 !egress-rate !ingress-rate l3-hw-offloading=yes limit-broadcasts=yes \ limit-unknown-multicasts=no limit-unknown-unicasts=no storm-rate=100/interface ethernet switch qos profileadd color=green comment="Lower-Effort RFC8622" dscp=8 name=Lower-Effort pcp=1 \ traffic-class=1add color=green comment=\ "Network operations, administration and management (OAM)" dscp=16 name=\ OAM pcp=2 traffic-class=1add color=green comment=\ "RTSP broadcast TV streaming of live audio and video events, VS, VoD" \ dscp=24 name=Broadcast-Video pcp=3 traffic-class=1add color=green comment="Real-Time Interactive, gaming, low priority video con\ ferencing, Flash Override" dscp=32 name=Real-Time pcp=4 traffic-class=1add color=green comment="Signaling, Critical, voice RTP - SIP " dscp=46 name=\ VoIP pcp=5 traffic-class=1add color=green comment="IC, routing protocols (OSPF, BGP, ISIS, RIP)" dscp=\ 48 name=Internetwork-Control pcp=6 traffic-class=1/interface ethernet switch qos portset ether1 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether2 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether3 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether4 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether5 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether6 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether7 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether8 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether9 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether10 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether11 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether12 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether13 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether14 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether15 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether16 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether17 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether18 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether19 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether20 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether21 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether22 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether23 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset ether24 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset sfp-sfpplus1 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset sfp-sfpplus2 map=default profile=default trust-l2=keep trust-l3=keep \ tx-manager=defaultset switch1-cpu map=default profile=default trust-l2=keep trust-l3=ignore \ tx-manager=default/interface bondingset 0 comment=Zolder mode=802.3ad name=bonding1 slaves=ether1,ether2set 1 comment=NAS mode=802.3ad name=bonding2 slaves=ether12,ether13/snmp communityset [ find default=yes ] disabled=yesadd addresses=::/0 comment=checkmk name=checkmk security=authorized/interface bridge portset 0 bridge=bridge comment=defconf interface=ether3 internal-path-cost=10000 hw=yes path-cost=10000 hw=yes trusted=yesset 1 bridge=bridge comment=defconf interface=ether4 internal-path-cost=10000 hw=yes path-cost=10000 hw=yes pvid=20 frame-types=admit-only-untagged-and-priority-taggedset 2 bridge=bridge comment=defconf interface=ether5 internal-path-cost=10000 hw=yes path-cost=10000 hw=yes pvid=20 frame-types=admit-only-untagged-and-priority-taggedset 3 bridge=bridge comment=defconf interface=ether6 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 4 bridge=bridge comment=defconf interface=ether7 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 5 bridge=bridge comment=defconf interface=ether8 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 6 bridge=bridge comment=defconf interface=ether9 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 7 bridge=bridge comment=defconf interface=ether10 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 8 bridge=bridge comment=defconf interface=ether11 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 9 bridge=bridge comment=defconf interface=ether14 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 10 bridge=bridge comment=defconf interface=ether15 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 11 bridge=bridge comment=defconf interface=ether16 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 12 bridge=bridge comment=defconf interface=ether17 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 13 bridge=bridge comment=defconf interface=ether18 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 14 bridge=bridge comment=defconf interface=ether19 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 15 bridge=bridge comment=defconf interface=ether20 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 16 bridge=bridge comment=defconf interface=ether21 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 17 bridge=bridge comment=defconf interface=ether22 internal-path-cost=10000 hw=yes path-cost=10000 hw=yesset 18 bridge=bridge comment=defconf interface=ether23 internal-path-cost=10000 hw=yes path-cost=10000 hw=yes pvid=99 frame-types=admit-only-untagged-and-priority-taggedset 19 bridge=bridge comment=defconf interface=ether24 internal-path-cost=10000 hw=yes path-cost=10000 hw=yes pvid=99 frame-types=admit-only-untagged-and-priority-taggedset 20 bridge=bridge comment=defconf interface=sfp-sfpplus1 internal-path-cost=7500 path-cost=7500 hw=yesset 21 bridge=bridge comment=defconf interface=sfp-sfpplus2 internal-path-cost=1000 path-cost=1000 hw=yes trusted=yes frame-types=admit-only-vlan-taggedset 22 bridge=bridge comment=Zolder interface=bonding1 hw=yesset 23 bridge=bridge comment=NAS interface=bonding2 hw=yes/interface bridge settingsset allow-fast-path=yes use-ip-firewall=no use-ip-firewall-for-pppoe=no \ use-ip-firewall-for-vlan=no/interface ethernet switch l3hw-settingsset autorestart=yes icmp-reply-on-error=no ipv6-hw=yes/interface bridge vlanset 0 bridge=bridge comment=LAN tagged=bridge,sfp-sfpplus1,bonding1,sfp-sfpplus2 vlan-ids=10set 1 add bridge=bridge comment=IOT tagged=bridge,bonding1,sfp-sfpplus1,sfp-sfpplus2 untagged=ether4,ether5 vlan-ids=20set 2 add bridge=bridge comment=DMZ tagged=bridge,sfp-sfpplus1,bonding1 vlan-ids=200add bridge=bridge comment=MGMT tagged=bridge,bonding1,bonding2,sfp-sfpplus2 untagged=ether23,ether24 vlan-ids=99/interface vlanadd interface=bridge name=LAN vlan-id=10add interface=bridge name=IOT vlan-id=20add interface=bridge name=DMZ vlan-id=200add interface=bridge name=MGMT vlan-id=99/ip addressadd address=192.168.10.1/24 interface=LAN network=192.168.10.0add address=192.168.20.1/24 interface=IOT network=192.168.20.0add address=192.168.200.1/24 interface=DMZ network=192.168.200.0add address=192.168.99.1/24 interface=MGMT network=192.168.99.0/interface detect-internetset detect-interface-list=none/interface list memberremove numbers=26remove numbers=25remove numbers=24remove numbers=23remove numbers=22remove numbers=21remove numbers=20remove numbers=19remove numbers=18remove numbers=17remove numbers=16remove numbers=15remove numbers=14remove numbers=13remove numbers=12remove numbers=11remove numbers=10remove numbers=9remove numbers=8remove numbers=7remove numbers=6remove numbers=5remove numbers=4remove numbers=3remove numbers=2remove numbers=1/ip dhcp-clientadd add-default-route=yes default-route-distance=1 dhcp-options=\ hostname,clientid disabled=no interface=bridge \ use-peer-dns=yes use-peer-ntp=yes/ip dhcp-relayadd name=LAN-relay interface=LAN add-relay-info=yes \ dhcp-server=192.168.1.2 local-address=192.168.10.1 disabled=noadd name=IOT-relay interface=IOT add-relay-info=yes \ dhcp-server=192.168.1.2 local-address=192.168.20.1 disabled=noadd name=DMZ-relay interface=DMZ add-relay-info=yes \ dhcp-server=192.168.1.2 local-address=192.168.200.1 disabled=noadd name=MGMT-relay interface=MGMT add-relay-info=yes \ dhcp-server=192.168.1.2 local-address=192.168.99.1 disabled=no/ip dhcp-client optionset clientid_duid code=61 name=clientid_duid value="0xff\$(CLIENT_DUID)"set clientid code=61 name=clientid value="0x01\$(CLIENT_MAC)"set hostname code=12 name=hostname value="\$(HOSTNAME)"/ip dnsset servers=1.1.1.1/snmpset contact="me" enabled=yes location=Meterkast/system clockset time-zone-name=Europe/Amsterdam/system identityset name=switch1/system noteset show-at-login=no/system routerboard settingsset boot-os=router-os

In case you don't have a multicast router already on your network than you may want to check the PIM-SM part of the documentation to set up one.

How to enable IGMP on the CRS326 (2024)
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