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11 Power Saving Functionality
7.
If sleep mode is set, the Switch switches to the sleep state when the scheduled
execution time arrives. As a result, the following command settings are not applied:
(5) Interoperability of sleep mode and DHCP snooping [AX1250S] [AX1240S]
If both sleep mode and DHCP snooping are enabled, set the time the Switch stays in sleep
mode to longer than the lease time for IP addresses assigned by the DHCP server. If the
time the Switch stays in sleep mode is shorter than the lease time, the DHCP client might
not be able to communicate with the Switch because the binding database cannot be
restored when the Switch is released from sleep mode.
If this occurs, release and update the IP addresses on the DHCP clients. In Windows, for
example, in the Command Prompt window, execute
ipconfig /renew
enables communication by DHCP clients.
142
schedule-power-control port-led
schedule-power-control port cool-standby
schedule-power-control shutdown interface
. This re-registers terminal information in the binding database and
ipconfig /release
and then execute
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