Cisco CATALYST 2960 Command Reference Guide

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Catalyst 2960 Switch Command Reference
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Chapter 2 Catalyst 2960 Switch Cisco IOS Commands
ip dhcp snooping database
ip dhcp snooping database
Use the ip dhcp snooping database global configuration command to configure the DHCP snooping
binding database agent. Use the no form of this command to disable the agent, to reset the timeout value,
or to reset the write-delay value.
ip dhcp snooping database {{flash:/filename | ftp://user:password@host/filename |
http://[[username:password]@]{hostname | host-ip}[/directory]/image-name.tar |
rcp://user@host/filename | tftp://host/filename} | timeout seconds | write-delay seconds}
no ip dhcp snooping database [timeout | write-delay]
Syntax Description
Defaults The URL for the database agent or binding file is not defined.
The timeout value is 300 seconds (5 minutes).
The write-delay value is 300 seconds (5 minutes).
Command Modes Global configuration
Command History
Usage Guidelines The DHCP snooping binding database can have up to 8192 bindings.
flash:/filename Specify that the database agent or the binding file is in the flash
memory.
ftp://user:password@host/filename Specify that the database agent or the binding file is on an FTP
server.
http://[[username:password]@]
{hostname | host-ip}[/directory]
/image-name.tar
Specify that the database agent or the binding file is on an FTP
server.
rcp://user@host/filename Specify that the database agent or the binding file is on a
Remote Control Protocol (RCP) server.
tftp://host/filename Specify that the database agent or the binding file is on a TFTP
server.
timeout seconds Specify (in seconds) how long to wait for the database transfer
process to finish before stopping.
The default is 300 seconds. The range is 0 to 86400. Use 0 to
define an infinite duration, which means to continue trying the
transfer indefinitely.
write-delay seconds Specify (in seconds) the duration for which the transfer should
be delayed after the binding database changes. The default
is 300 seconds. The range is 15 to 86400.
Release Modification
12.2(25)FX This command was introduced.

Cisco CATALYST 2960 Specifications

General

Manageable	Yes
Stacking	No
Model	Catalyst 2960 Series Switches
Power over Ethernet (PoE)	Available on some models (IEEE 802.3af)
VLANs	255 active VLANs
Features	QoS
Operating Temperature	32 to 113°F (0 to 45°C)
Relative Humidity	10% to 85% non-condensing
Power Consumption	Varies by model (30W to 400W)