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Maximum throughput of Linksys Business Gigabit VPN Routers using SSL VPN

Question:  I'm using OpenVPN with SSL.  Why are the file transfer speeds limited to 12 Mbps or less?
 
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Answer:  The maximum throughput of Linksys Business Gigabit VPN Routers using SSL VPN is only 12 Mbps.  The newly implemented Secure Hash Algorithm 2 (SHA2) has no impact on SSL VPN speeds.

Below is a summary of the Linksys LRT214 Business Gigabit VPN Router and Linksys LRT224 Dual WAN Business Gigabit VPN Router specifications: 
 
  • IPsec - DES, 3DES, AES Encryption, MD5, SHA2 Authentication (SHA2 supports the SSL / TLS protocol on LRT routers.  Currently IPsec Gateway-to-Gateway does not support SHA2 in the Linksys LRT214 and LRT224.)
  • 50 IPsec site-to-site tunnels
  • VPN backup for site-to-site tunnels
  • 5 SSL tunnels (supports OpenVPN)
  • 5 PPTP tunnels
  • 110 Mbps IPsec throughput
  • 12 Mbps SSL throughput
To learn more about Linksys LRT214, click here.  If you have a Linksys LRT224, click here.

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