Users Guide

Layer 2 Switching Commands 368
no ipv6 dhcp snooping write-delay
• seconds—The period of time between successive writes of the binding
database to persistent storage. (Range 15-86400 seconds.)
Default Configuration
By default, the write delay is 300 seconds.
Command Modes
Global Configuration mode
User Guidelines
The binding database is cached in memory and written to storage every write-
delay seconds.
ipv6 dhcp snooping limit
Use the ipv6 dhcp snooping limit command configures an interface to be
diagnostically disabled if the rate of received DHCP messages exceeds the
configured limit. Use the no shutdown command to reenable the interface.
Use the no form of the command to disable diagnostic disabling of the
interface.
Syntax
ipv6 dhcp snooping limit {rate pps [burst interval seconds]}
no ipv6 dhcp snooping limit
• pps—The rate in packets per interval. (Range 0-300.)
• seconds—The time interval over which to measure a burst of packets.
(Range 1-15, default 1 second.)
Default Configuration
By default, DHCP messages do not shut down the interface.
Command Modes
Interface Configuration mode