Hi,

End users can not communícate with Apple ichat, when Mac are  in differentes network segment.

I applied the following commands in sw core but no success.

any recommendation?

ip multicast-routing   --->>> I added this command

nterface Vlan103
 description 3er_Piso
 ip address 192.178.3.1 255.255.255.0
 ip pim dense-mode   -------------> I added this command
!
interface Vlan104
 description 4to_Piso
 ip address 192.178.4.1 255.255.255.0
 ip pim dense-mode  --------------> I added this command
!
interface Vlan105
 description 5to_Piso
 ip address 192.178.5.1 255.255.255.0
 ip pim dense-mode    -------------------->   I added this command
!