Cisco Catalyst 3750-X Command Reference

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Catalyst 3750-X and 3560-X Switch Command Reference
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Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
renew ip dhcp snooping database
renew ip dhcp snooping database
Use the renew ip dhcp snooping database privileged EXEC command on the switch stack or on a
standalone switch to renew the DHCP snooping binding database.
renew ip dhcp snooping database [{flash[number]:/filename | ftp://user:password@host/filename
| nvram:/filename | rcp://user@host/filename | tftp://host/filename}] [validation none]
Syntax Description
Defaults No default is defined.
Command Modes Privileged EXEC
Command History
Usage Guidelines If you do not specify a URL, the switch tries to read the file from the configured URL.
Examples This example shows how to renew the DHCP snooping binding database without checking CRC values
in the file:
Switch# renew ip dhcp snooping database validation none
You can verify your settings by entering the show ip dhcp snooping database privileged EXEC
command.
flash[number]:/filen
ame
(Optional) Specify that the database agent or the binding file is in the flash
memory. Use the number parameter to specify the stack member number of the
stack master. The range for number is 1 to 9.
ftp://user:password
@host/filename
(Optional) Specify that the database agent or the binding file is on an FTP
server.
nvram:/filename (Optional) Specify that the database agent or the binding file is in the NVRAM.
rcp://user@host/file
name
(Optional) Specify that the database agent or the binding file is on a Remote
Control Protocol (RCP) server.
tftp://host/filename (Optional) Specify that the database agent or the binding file is on a TFTP
server.
validation none (Optional) Specify that the switch does not verify the cyclic redundancy check
(CRC) for the entries in the binding file specified by the URL.
Release Modification
12.2(53)SE2 This command was introduced.

Cisco Catalyst 3750-X Specifications

General

Switching Capacity	160 Gbps
Stacking Bandwidth	64 Gbps
Max Stacking Units	9
Layer Support	Layer 2 and Layer 3
Form Factor	Rack-mountable
DRAM	256 MB
Flash Memory	64 MB
Model	Cisco Catalyst 3750-X Series
Ports	24 or 48 10/100/1000 Ethernet ports
Uplink Interfaces	4 SFP or 2 SFP+
Features	StackWise Plus, EnergyWise
Image	IP Base or IP Services
Operating Temperature	0 to 40°C
Operating Humidity	10 to 85% noncondensing