If a client connects to one vpn server, can it join a video meeting which is based on IGMP?
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2 Answers
RFC4045 describes extensions to support multicast over L2TP protocol. So, it seems possible, but it depends on the implementation you use.
In addition to what Khaled had written, there are other encapsulation protocols which would support Multicast encapsulation - GRE for example. Most "multicast tunneling" techniques allow multicast transmissions to cross unicast-only networks using GRE. The more advanced and flexible version of tunneling is AMT which is in the standardization process for about a decade now, but has working implementations and sees some use.
answered Jan 10, 2012 at 10:08
