Hi there.
I have 20 spectralink i640 phones. They have a feature called push to talk where the phone sends out a multicast IP packet that is then r eceived by all multicasp IP members and pushed out the speaker. The net result acts like a Radio.
However, with my vlan enabled network, and vlan/ssid wireless set up on my cisco aironet 1240ag APs, the vlan/ssid combination causes something to happen to multicast packets that the phone can't recognize them.
remove the vlans from the AP, and keep it in access mode on one vlan, and the phones interpret the multicast packets properly.
this is really frustrating as everything works with the exception of the phones understanding the incoming multiast packets.
there is no multicast filtering or igmp snooping enabled.
all wireless devices can send and receive the mutlicast packets.
its only the phones that aren't receiving the multicast packets properly, even though they're being transmitted.
Any ideas?
I have 20 spectralink i640 phones. They have a feature called push to talk where the phone sends out a multicast IP packet that is then r eceived by all multicasp IP members and pushed out the speaker. The net result acts like a Radio.
However, with my vlan enabled network, and vlan/ssid wireless set up on my cisco aironet 1240ag APs, the vlan/ssid combination causes something to happen to multicast packets that the phone can't recognize them.
remove the vlans from the AP, and keep it in access mode on one vlan, and the phones interpret the multicast packets properly.
this is really frustrating as everything works with the exception of the phones understanding the incoming multiast packets.
there is no multicast filtering or igmp snooping enabled.
all wireless devices can send and receive the mutlicast packets.
its only the phones that aren't receiving the multicast packets properly, even though they're being transmitted.
Any ideas?