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February 2, 2023 17:02
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Informasjon om Altibox IPTV oppsett med egen router
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Jeg fant på https://forum.openwrt.org/t/help-getting-iptv-working-with-the-altibox-isp/38063/24?page=2 litt informasjon som jeg har skrevet om litt etter informasjon fra @trrunde (diskusjon.no). | |
The requirements for forwarding Altbox IPTV and Internet between fiber (with SFP or media converter) and a shared lan with both STBs and Internet clients are simple: | |
* tag VLAN 101 (IPTV) and 102 (Internet) on wan | |
* clone mac address of ISP gateway/router on the wan.101 interface | |
* run DHCP client on both wan.101 and wan.102 | |
* SNAT/masquerade between lan and both wan interfaces | |
* igmpproxy between wan.101 (upstream) and lan (downstream) | |
* upstream altnet must be specified for both of the static route CIDR | |
* default route out wan.102 | |
* Warning: both DHCP servers emit default routes | |
* Ensure route metric for wan.102 has preference (higher metric = lower priority) over wan.101 | |
* Static routes out of wan.101: | |
* 10.133.0.0/16 | |
* 172.21.0.0/16 | |
* both VLAN 101 and LAN must have IGMP snooping (unifi) enabled | |
Standard Internet firwall rules on wan.102. | |
Allow at least igmp and multicast to udp port 5501 on wan.101, but probably more. I recommend initial testing without firewalling on wan.101. The IPTV network is private anyway. | |
The Altibox IPTVT DHCP server will send this list of routes to the DHCP client if the client requests option 121 (rfc3442-classless-static-routes) and sends vendor-class-identifier = "VMG8825-B50B". You may use this to automatically set up proper routing on wan.101. | |
Altibox have enabled native DHCPv6 in most of their network now, so you may also want to run a DHCPv6-PD client on wan.102. You will get a /56 prefix. | |
Multicast help: https://support.biamp.com/General/Networking/Multicast_traffic_and_IGMP | |
Use 'ip mroute' to verify multicast routing by igmpproxy. | |
Troubleshooting: tcpdump -ni enp2s0 -i enp5s0 'ether host 8c:e5:ef:xx:xx:xx or ether multicast' |
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