Korenix JetNet 5228G Series, User Manual

Page: 460 / 658

Command Line Interface
4-150
4
Related Commands
ip dhcp snooping (4-146)
ip dhcp snooping vlan (4-148)
ip dhcp snooping verify mac-address
This command verifies the client’s hardware address stored in the DHCP packet
against the source MAC address in the Ethernet header. Use the
no form to disable
this function.
Syntax
[ no ] ip dhcp snooping verify mac-address
Default Setting
Enabled
Command Mode
Global Configuration
Command Usage
If MAC address verification is enabled, and the source MAC address in the
Ethernet header of the packet is not same as the client’s hardware address in
the DHCP packet, the packet is dropped.
Example
This example enables MAC address verification.
Related Commands
ip dhcp snooping (4-146)
ip dhcp snooping vlan (4-148)
ip dhcp snooping trust (4-149)
ip dhcp snooping information option
This command enables the DHCP Option 82 information relay for the switch. Use
the
no form to disable this function.
Syntax
[ no ] ip dhcp snooping information option
Default Setting
Disabled
Command Mode
Global Configuration
Console(config)#ip dhcp snooping verify mac-address
Console(config)#