HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Services Conf - Page 59

DHCP snooping configuration task list

Page 59 highlights

If a client's requesting message has... Handling strategy Replace Append no Option 82 N/A N/A N/A N/A N/A Padding format The DHCP snooping device... normal verbose user-defined normal verbose private standard user-defined normal private standard verbose user-defined Forwards the message after replacing the original Option 82 with the Option 82 padded in normal format. Forwards the message after replacing the original Option 82 with the Option 82 padded in verbose format. Forwards the message after replacing the original Option 82 with the user-defined Option 82. Forwards the message without changing Option 82. Forwards the message without changing Option 82. Forwards the message after adding sub-option 9 to option 82 or adding content to sub-option 9 that option 82 contains. Forwards the message without changing Option 82. Forwards the message without changing Option 82. Forwards the message after adding the Option 82 padded in normal format. Forwards the message after adding the Option 82 padded in private format. Forwards the message after adding the Option 82 padded in standard format. Forwards the message after adding the Option 82 padded in verbose format. Forwards the message after adding the user-defined Option 82. The handling strategy and padding format for Option 82 on the DHCP snooping device are the same as those on the relay agent. DHCP snooping configuration task list Task Configuring DHCP snooping basic functions Configuring DHCP snooping to support Option 82 Configuring DHCP snooping entries backup Enabling DHCP starvation attack protection Remarks Required Optional Optional Optional 51

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51
If a client's
requesting message
has…
Handling
strategy
Padding format
The DHCP snooping device…
Replace
normal
Forwards the message after replacing the
original Option 82 with the Option 82 padded
in normal format.
verbose
Forwards the message after replacing the
original Option 82 with the Option 82 padded
in verbose format.
user-defined
Forwards the message after replacing the
original Option 82 with the user-defined
Option 82.
Append
normal
Forwards the message without changing
Option 82.
verbose
Forwards the message without changing
Option 82.
private
Forwards the message after adding sub-option
9 to option 82 or adding content to sub-option
9 that option 82 contains.
standard
Forwards the message without changing
Option 82.
user-defined
Forwards the message without changing
Option 82.
no Option 82
N/A
normal
Forwards the message after adding the Option
82 padded in normal format.
N/A
private
Forwards the message after adding the Option
82 padded in private format.
N/A
standard
Forwards the message after adding the Option
82 padded in standard format.
N/A
verbose
Forwards the message after adding the Option
82 padded in verbose format.
N/A
user-defined
Forwards the message after adding the
user-defined Option 82.
The handling strategy and padding format for Option 82 on the DHCP snooping device are the same as
those on the relay agent.
DHCP snooping configuration task list
Task
Remarks
Configuring DHCP snooping basic functions
Required
Configuring DHCP snooping to support Option 82
Optional
Configuring DHCP snooping entries backup
Optional
Enabling DHCP starvation attack protection
Optional