Draytek Vigor2760 Series User Manual page 180

VJ Compression
Security Mode
Authentication
Method
Dial-out Advanced
Options
None – It means the MPPE encryption is disabled. That
is, if the remote end chooses Required as MPPE
encryption with 128-bit enabled on the remote host, the
VPN tunnel between both ends cannot be established.
128-bit – It means the MPPE encryption selected by the
local end only accepts 128-bit mechanism. If the remote
end chooses Required as MPPE encryption without
enabling 128-bit, the VPN tunnel between both ends
cannot be established. It is very important to set both
ends with the same MPPE Encryption.
This field is applicable when you select PPTP or L2TP above.
VJ Compression is used for TCP/IP protocol header
compression. Normally set to Yes to improve bandwidth
utilization.
This field is applicable when you select L2TP or IPsec above.
Currently, the default setting is ESP.
This group of fields is applicable for IPsec and L2TP.
If you choose Pre-shared Key, you have to configure,
Pre-shared Key - Type 1-63 characters as pre-shared key.
Confirm Pre-shared Key - Type the pre-shared key again for
confirmation.
If you choose Digital Certificate, you have to configure the
following settings for both local end and remote end.
Local Certificate – Choose a certificate profile used for Vigor
router. The certificate profile is defined in Certificate
Management>>Local Certificate.
Peer Certificate – Choose a certificate profile used for remote
end. Such certificate profile is defined in Certificate
Management>>Remote Certificate.
This field is applicable when you select IPsec as server type or
L2TP with L2TP over IPsec enabled. Click the small triangle
to unfold the available setting items.
Peer ID Type – This option is available when Digital
Certificate is selected as Authentication Method above.
Choose the ID type for the remote end. If you choose Accept
any peer ID, it is not necessary for you to specify any ID
further. All the peer IDs are acceptable
172 Vigor2760 Series User's Guide