HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Services Comm - Page 57

dhcp-snooping binding database update interval

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Parameters filename: File name. For how to define the file name, see Fundamentals Configuration Guide. Description Use dhcp-snooping binding database filename to specify the name of the file for storing DHCP snooping entries. Use undo dhcp-snooping binding database filename to restore the default. By default, no file name is specified. If no file with the specified name is found, the device will automatically create the file upon storing a DHCP snooping binding. DHCP snooping entries are stored immediately after this command is used, and then updated at the interval set by the dhcp-snooping binding database update interval command. Related commands: dhcp-snooping binding database update interval. Examples # Specify the name of the file for storing DHCP snooping entries as database.dhcp. system-view [Sysname] dhcp-snooping binding database filename database.dhcp dhcp-snooping binding database update interval Syntax dhcp-snooping binding database update interval minutes undo dhcp-snooping binding database update interval View System view Default level 2: System level Parameters minutes: Specifies the refresh interval in minutes, in the range of 1 to 14400. Description Use dhcp-snooping binding database update interval to set the interval at which the DHCP snooping entry file is refreshed. Use undo dhcp-snooping binding database update interval to restore the default. By default, the DHCP snooping entry file is not refreshed periodically. With this command configured, DHCP snooping will check bindings periodically. If a binding is added or removed during an interval, DHCP snooping will add or remove this binding to or from the file at the end of this interval. If no change occurs within the interval, DHCP snooping will not refresh the file. This command takes effect only when the DHCP snooping entry file is specified. Related commands: dhcp-snooping binding database filename. Examples # Configure the DHCP snooping entry file to be refreshed every 10 minutes. 50

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50
Parameters
filename
: File name. For how to define the file name, see
Fundamentals Configuration Guide
.
Description
Use
dhcp-snooping binding database filename
to specify the name of the file for storing DHCP snooping
entries.
Use
undo dhcp-snooping binding database filename
to restore the default.
By default, no file name is specified.
If no file with the specified name is found, the device will automatically create the file upon storing a
DHCP snooping binding.
DHCP snooping entries are stored immediately after this command is used, and then updated at the
interval set by the
dhcp-snooping binding database update interval
command.
Related commands:
dhcp-snooping binding database update interval
.
Examples
# Specify the name of the file for storing DHCP snooping entries as
database.dhcp
.
<Sysname> system-view
[Sysname] dhcp-snooping binding database filename database.dhcp
dhcp-snooping binding database update interval
Syntax
dhcp-snooping binding database update interval
minutes
undo dhcp-snooping binding database update interval
View
System view
Default level
2: System level
Parameters
minutes
: Specifies the refresh interval in minutes, in the range of 1 to 14400.
Description
Use
dhcp-snooping binding database update interval
to set the interval at which the DHCP snooping
entry file is refreshed.
Use
undo dhcp-snooping binding database update interval
to restore the default.
By default, the DHCP snooping entry file is not refreshed periodically.
With this command configured, DHCP snooping will check bindings periodically. If a binding is added
or removed during an interval, DHCP snooping will add or remove this binding to or from the file at the
end of this interval. If no change occurs within the interval, DHCP snooping will not refresh the file.
This command takes effect only when the DHCP snooping entry file is specified.
Related commands:
dhcp-snooping binding database filename
.
Examples
# Configure the DHCP snooping entry file to be refreshed every 10 minutes.