158 DHCP Snooping
Syntax
•
ip dhcp snooping binding
mac-address vlan-id ip-address
{
ethernet
interface
|
port-channel
port-
channel-number
}
expiry
seconds
•
no ip dhcp snooping database binding
mac-address vlan-id
•
mac-address
— Specifies a MAC address.
•
vlan-id
— Specifies a VLAN number.
•
ip-address
— Specifies an IP address.
•
interface
— Specifies an Ethernet port.
•
port-channel-number
— Specifies a Port-channel number.
•
expiry
seconds
— Specifies the interval, in seconds, after which the binding entry is no longer
valid. (Range 10 – 4294967295 seconds)
Default Configuration
The default configuration is that no static binding exists.
Command Mode
Privileged EXEC mode.
User Guidelines
• After entering this command an entry is added to the DHCP snooping database. If a DHCP snooping
binding file exists, the entry is also added to that file.
• The entry is displayed in the show commands as a “DHCP Snooping entry”.
Example
The following example configures the DHCP snooping binding database and adds binding entries to the
database.
clear ip dhcp snooping database
The clear ip dhcp snooping database Privileged EXEC mode command clears the DHCP snooping
binding database.
Syntax
• clear ip dhcp snooping database
Console# ip dhcp snooping binding 3aa2.64b3.a245 1000
131.108.1.27 ethernet 1/e16 expiry 3000
book.book Page 158 Thursday, December 18, 2008 7:40 PM
To Next Page
Loading...
