I have a RB3011UiAS with RouterOS v7.6, and I have an IGMP Proxy configuration with ether1 as upstream, and bridge as downstream.
After some time, I get the following error, and my IPTV not working anymore until I don't disable the downstream settings and reenable it:
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Leave multicast group failed on ether1 - telekom group=239.255.255.250:
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[admin@MikroTik] > /routing/igmp-proxy/export
# nov/10/2022 19:47:09 by RouterOS 7.6
# software id = 37BV-L28B
#
# model = RB3011UiAS
# serial number = 783D07722B8F
/routing igmp-proxy
set quick-leave=yes
/routing igmp-proxy interface
add alternative-subnets=0.0.0.0/0 interface="ether1 - telekom" upstream=yes
add interface=bridge
My bridge settings:
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[admin@MikroTik] > /interface/bridge/print
Flags: X - disabled, R - running
0 R ;;; defconf
name="bridge" mtu=auto actual-mtu=1500 l2mtu=1598 arp=enabled arp-timeout=auto mac-address=64:D1:54:F4:E3:38 protocol-mode=rstp fast-forward=yes igmp-snooping=yes multicast-router=temporary-query multicast-querier=yes startup-query-count=2 last-member-query-count=2 last-member-interval=1s
membership-interval=4m20s querier-interval=4m15s query-interval=2m5s query-response-interval=10s startup-query-interval=31s250ms igmp-version=3 mld-version=2 auto-mac=no admin-mac=64:D1:54:F4:E3:38 ageing-time=5m priority=0x8000 max-message-age=20s forward-delay=15s transmit-hold-count=6
vlan-filtering=no dhcp-snooping=no