A quick check of the user manual for the RV042 didn't reveal in crystal clarity whether the RV042 will tunnel multicast packets (between two RV042s).
What I'd like to create is a VPN between two different offices. Some of the applications use multicast, and it's crucial that these apps 'see' each other in both offices (via VPN).
The RV042 manual does mention a "multicast pass through" setting, but it didn't mention whether enabling this applies to a VPN connection established between the two offices, such that any multicast packet on LAN #1 is reflected to LAN #2 (and vice versa) through the VPN.
Has anyone used RV042s to create a VPN between to locations/offices, and turned on multicast pass through? Have you found that apps which use multicast (e.g., iChat on Mac OS X, Bonjour advertised infranet websites, etc.) have their multicast traffic properly appear on both LANs?
RV042 or other RV0xx routers does not support passing multicast traffic over IPSec tunnel. The multicast passthrough option on the Firewall>General page determines whether RV042 allows the multicast traffic originating from the internet can pass through the firewall and come to the LAN.
Are there any Cisco [or Linksys by Cisco] routers which support Multicast VPN (multicast packets tunneled over VPN)? Looks like there are a number of white papers on this topic, but I've yet to identify a particular model with this functionality.
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