VPN Connection is Slow
Symptom 1: You experience extreme slow while accessing to remote resources over the VPN.
Cause: This could be the MTU issue.
Suggestion: How to determine the optimal MTU
Symptom 2: When running an application over the VPN, it takes over 10 minutes to open it.
Causes: 1. The application is written for a LAN
no for a WAN.
Symptom 3: Browsing the shared folders of remote computers is very slow, for example changing one folder to another it takes around 5 minutes.
Cause: Computer browser is involved NetBIOS and name resolution.
Suggestion: 1. Use IP instead of host name.
2. Use TCP/IP only.
Symptom 4: Browsing some shared folders is normal while others is very slow.
Cause: If the folder has too many subfolders and files, browsing may be slow.
Symptom 5: The download is very slow on VPN client after establishing the VPN.
Cause: The VPN Client may use the remote network gateway.
Suggestion: Change the default gateway from remote to local. To do this, go to properties of the VPN connection>Properties of TCP/IP>Advanced, uncheck Use default gateway on remote network.
Symptom 6: The client run Access over VPN. It takes over several minutes to open a database.
Suggestion: Setup Terminal Server running Access. Then have all VPN clients run TS over VPN.
1. It is better to set the workgroup to match the domain name on all Win9x
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