![]() When IGMP is disabled on the switch, the switch treats the multicast traffic as broadcast traffic sending it out over all ports in the specified VLAN - meaning every PC on the network receives the communication. ![]() A ghost cast session is an IGMP group, workstations need to join the IGMP session on the switch to participate in IGMP group traffic. IGMP is used to manage the membership of Internet Protocol multicast groups. My network was gigabit with a HP ProCurve Switch 2810-48G switch and gigabit NIC's in all the workstations.Īfter doing some research I found out that the HP switches have IGMP (Internet Group Management Protocol) disabled by default. It was taking me over 24 hours to push the image out as I was only getting 200MB per minute. I'm running MultiCast Imaging with Symantec Ghost.
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