IP мультикаст

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IPv4 multicast

IPv6 multicast

Ethernet multicast

PIM

IGMP

MLD

Пример

VLC streamer adjust TTL


ip multicast-routing
ip pim rp-address 10.1.0.1 override  ! route to RP loopback
int vlan UPLINK
  ip pim sparse-dense-mode
int vlan CLIENTS
  ip pim sparse-dense-mode

! IGMP should be enabled by default


access-list 11 remark Drop SSDP multicast
access-list 11 deny   239.255.255.250
access-list 11 permit any

int range Vlan 1303-1345
  ip igmp access-group 11