DHCP Snooping 183
Default Configuration
1200.
Command Mode
Global Configuration mode.
User Guidelines
• There are no user guidelines for this command.
Example
The following example configures the update frequency ofthe DHCP snooping binding file.
ip dhcp snooping binding
The ip dhcp snooping binding Privileged EXEC mode command configures the DHCP snooping
binding database and adds binding entries to the database. Use the no form of this command to delete
entries from the binding database.
Syntax
•
ip dhcp snooping binding
mac-address vlan-id ip-address
{ethernet
interface
| port-channel
port-
channel-number
} expiry
seconds
•
no ip dhcp snooping binding
mac-address vlan-id
• mac-address
— Specify a MAC address.
•
vlan-id
— Specify a VLAN number
•
ip-address
— Specify an IP address
•i
nterface
— Specify Ethernet port.
•
port-channel-number
— Specify Port-channel number.
•
expiry
seconds
— Specify the interval, in seconds, after which the binding entry is no longer valid.
Default Configuration
No static binding exists.
Command Mode
Privileged EXEC mode.
console (config)#
ip dhcp snooping database update-freq
seconds
5400_CLI.book Page 183 Wednesday, December 17, 2008 4:33 PM
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