Draytek VigorPro 5510 Series User Manual page 79

Advance Setting Click Edit to open the following window. However, it is
strongly recommended to use the default settings here.
Codepage - This function is used to compare the characters
among different languages. Choose correct codepage can help
the system obtaining correct ASCII after decoding data from
URL and enhance the correctness of URL Content Filter. The
default value for this setting is ANSI 1252 Latin I. If you do not
choose any codepage, no decoding job of URL will be processed.
Please use the drop-down list to choose a codepage.
If you do not have any idea of choosing suitable codepage,
please open Syslog. From Codepage Information of Setup dialog,
you will see the recommended codepage listed on the dialog box.
Window size – It determines the size of TCP protocol
(0~65535). The more the value is, the better the performance will
be. However, if the network is not stable, small value will be
proper.
Session timeout /Queue timeout–Setting timeout for sessions
can make the best utilization of network resources. However,
Queue timeout is configured for TCP protocol only; session
timeout is configured for the data flow which matched with the
firewall rule.
Max. Queue length - When the network connection is not
stable, you can set large number for this setting to get better
performance. Yet large value will consume large resource.
Retransmission queue length – Type the number here as a base
VigorPro5510 Series User's Guide
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