R2511-HP MSR Router Series Layer 3 - IP Services Command Reference(V5)

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• If no change occurs within the interval, DHCP snooping does not perform update operation.
This command takes effect only when the file for storing DHCP snooping entries has been specified with
the command dhcp-snooping binding database filename.
Examples
# Configure the device to update DHCP snooping entries every 10 minutes.
<Sysname> system-view
[Sysname] dhcp-snooping binding database update interval 10
Related commands
dhcp-snooping binding database filename
dhcp-snooping binding database update now
Use dhcp-snooping binding database update now to store DHCP snooping entries to the file.
Syntax
dhcp-snooping binding database update now
Views
System view
Default command level
2: System level
Usage guidelines
DHCP snooping entries are stored to the file each time this command is used.
This command takes effect only when the DHCP snooping entry file is specified.
Examples
# Store DHCP snooping entries to the file.
<Sysname> system-view
[Sysname] dhcp-snooping binding database update now
Related commands
dhcp-snooping binding database filename
dhcp-snooping check mac-address
Use dhcp-snooping check mac-address to enable MAC address check on a DHCP snooping device.
Use undo dhcp-snooping check mac-address to disable MAC address check of DHCP snooping.
Syntax
dhcp-snooping check mac-address
undo dhcp-snooping check mac-address
Default
This function is disabled.
Views
Layer 2 Ethernet interface view, Layer 2 aggregate interface view, WLAN-BSS interface view