Ip Dhcp Information Option; Ip Dhcp Snooping Verify - Alcatel OmniStack LS 6248 User Manual

Example
The following example configures the switch to accept DHCP packets with option-82
information from an untrusted port.
Console # (config)# ip dhcp information option allowed-untrusted
Console # (config)#

ip dhcp information option

The ip dhcp information option Global Configuration mode command enables
DHCP option-82 data insertion. To disable DHCP option-82 data insertion, use the
no form of this command.
Syntax
ip dhcp information option
no ip dhcp information option
Default Configuration
DHCP option-82 data insertion is enabled.
Command Mode
Global Configuration mode
User Guidelines
DHCP option 82 is enabled when DHCP snooping is enabled on VLANs.
Example
The following example enables DHCP option-82 data insertion.
Console # (config)# ip dhcp information option
Console # (config)#

ip dhcp snooping verify

The ip dhcp snooping verify Global Configuration mode command configures the
switch to verify, on an untrusted port, that the source MAC address in a DHCP
packet matches the client hardware address. To configure the switch to not verify the
MAC addresses, use the no form of this command.
Syntax
ip dhcp snooping verify
no ip dhcp snooping verify
Default Configuration
The switch verifies the source MAC address in a DHCP packet that is received
on untrusted ports matches the client hardware address in the packet.
Command Mode
Global Configuration mode
DHCP Snooping, IP Source Guard and ARP Inspection Commands
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