Configuration Guide DHCP Snooping Commands
Configuration
Examples
The following example enables DHCP Snooping to support the function of processing Relay
requests.
Ruijie# configure terminal
Ruijie(config)# ip dhcp snooping check-giaddr
Ruijie(config)# end
Related
Commands
Command
Description
show ip dhcp snooping
Displays the configuration information of the
DHCP Snooping.
Platform
Description
N/A
14.5 ip dhcp snooping database write-delay
Use this command to configure the switch to write the dynamic user information of the DHCP
Snooping binding database into the flash periodically.
Use the
no
form of this command to restore the default setting.
ip dhcp snooping database write-delay
time
no ip dhcp snooping database write-delay
Parameter
Description
Parameter
Description
time
The interval at which the system writes the dynamic user information
of the DHCP Snooping database into the flash, in the range from 600
to 86,400 in the unit of seconds
Defaults
This function is disabled by default.
Command
Mode
Global configuration mode
Usage Guide
This function writes user information into flash in case of loss after restart. In that case, users need to
obtain IP addresses again for normal communication.
Too fast writing will reduce flash durability.
Configuration
Examples
The following example sets the interval at which the switch writes the user information into the flash to
3,600 seconds.
Ruijie# configure terminal
Ruijie(config)# ip dhcp snooping database write-delay 3600
Содержание RG-S29 Series
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