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I wanna say No as I think someone had talked about this before in the forum, however I'm not completely sure. Can you do a search on this forum for jumbo frame and see if you come up with anything. Could have sworn that someone had talked about it. Been a while. Let us know if you find anything. I'm not perfect though. LOL.
I believe it does support Jumbo frame but not 9000, Also why would you need it at 9000? what would happen if the data leaves the Wan and goes to Lan? Lan won't support it and would have to fragment the data to make it small causing a delay or lag. --Chris
Did some research and people are saying it supports Jumbo frame 4000.--Chris