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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— Specifies the interval, in seconds, after which the binding entry is no longer
valid.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
Содержание PowerConnect 3500 Series
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Страница 124: ...124 Address Table Commands book book Page 124 Thursday December 18 2008 7 40 PM ...
Страница 162: ...162 DHCP Snooping book book Page 162 Thursday December 18 2008 7 40 PM ...
Страница 244: ...244 Line Commands book book Page 244 Thursday December 18 2008 7 40 PM ...
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Страница 290: ...290 Power over Ethernet Commands book book Page 290 Thursday December 18 2008 7 40 PM ...
Страница 294: ...294 Port Channel Commands book book Page 294 Thursday December 18 2008 7 40 PM ...
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