multicast через nat на cisco router

В глобальном конфиге:
ip multicast-routing
ip nat inside source list 100 interface GigabitEthernet0/0 overload
access-list 100 permit ip 192.168.1.0 0.0.0.255 any
access-list 100 deny ip any any

На внешнем интерфейсе:
ip nat outside
ip pim dense-mode

На внутреннем интерфейсе:
ip pim sparse-mode
ip nat inside
ip pim sparse-mode
ip igmp helper-address

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