How to config multicast on router CISCO878-K9

[Hieu_Trieu]

I try config multicast on cisco878-k9 but not success.

I try command:

ip pim sparse-mode

don't work

please help me!

[johnd2310]

Hi,

 You enable multicast with "ip multicast routing " command and you will need to enable pim on your layer 3 interfaces with "ip pim sparse-mode" command

Thanks

John

[Hieu_Trieu]

i configured "ip multicast routing" but could not configure "ip pim sparse-mode" on interface