D-Link DGS-3000 Reference Manual page 742

DGS-3000 Series Layer 2 Managed Gigabit Ethernet Switch CLI Reference Guide
Format
config ssl cachetimeout <value 60-86400>
Parameters
<value 60-86400> - Enter the timeout value here. This value must be between 60 and 86400.
Restrictions
Only Administrators, Operators and Power-Users can issue this command.
Example
To configure the SSL cache timeout value to 60:
DGS-3000-26TC:admin#config ssl cachetimeout 60
Commands: config ssl cachetimeout 60
Success.
DGS-3000-26TC:admin#
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