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|    comp.dcom.vpn    |    VPN protocols, clients, awesomeness    |    2,348 messages    |
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|    Message 758 of 2,348    |
|    Dae to Unknown    |
|    Re: how much bandwidth needed?    |
|    27 Jan 04 19:12:08    |
      From: webster@speakeasy.org              Unless you are sure that the problem with your VPN connection being slow       is your Netgear router, then the problem most likely is you pipe to the       internet.              Remember that your going have about 20% overhead for your VPN       encryption, then depending on what your trying to do, it could be       extremly slow.              A company I do some consulting work for installed Netscreen VPN from one       site to another. Site 1 has a 768 T1 and Site 2 is 1.5/384 ADSL. You       would think it would be plent as most of the data is going from Site 1       to Site 2, but it's too slow. Not only is it slow, when they transfer       large files from one site to another, many times, it will error out.              Because they wanted also to be able to browse without WINS or LMHOSTS       file, I put in 2 Netgear FVM318s. Speeds a tad better (Went from using       3DES to just DES encryption) but no more errors transferring files.       Because it's still so slow, they are now looking at going to a full T1       (1.5) in both locations.               From what you originally posted I have a feeling it's the internet pipe       not the VPN tunnel itself. Good luck on whatever you try.                            Unknown wrote:       > While 1.5mb would be nice, nothing I have read indicates that would be       > necessary. Do you have any information that indicates that sort of bandwidth       > would be required? Considering I know of others who use a VPN rather       > painlessly on ISDN, it seems the bandwidth we have should be sufficient.       > Perhaps I am wrong, but I would like information to back it up, as well as       > other suggestions.       >       >       >       >       > |
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