Brocade Mobility RFS Controller System Reference Guide (Supporting software release 5.5.0.0 and later) - Manual (Page 607)

Brocade Mobility RFS Controller System Reference Guide 595
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Use the DHCP Match Message Type drop-down menu (from the Settings field at the bottom of the
screen) to specify the DHCP message type configured option values are matched against. The
following options are available:
• Discover - Looks for a signature in DHCP discover messages.
• Request - Looks for a signature in DHCP request messages. This is the default value.
• Any - The fingerprint is checked with either the DHCP request or the DHCP discover
message.
• All - The fingerprint is checked with both the DHCP request and the DHCP discover
message.
Select OK to save the changes. Select Reset to revert to the last saved configuration.
Expand the Device Fingerprinting menu item on the left-hand side of the screen and select Client
Identity Group.
FIGURE 18 Security - Device Fingerprining - Client Identity Group
An identity group is a collection of client identity variables. Each client identity in the group is set a
value indicating its priority when device fingerprinting.
Match Type Use the drop-down menu to select how signatures are matched. Available options include:
•
Exact – The complete signature string matches the string specified in the Option
Value field.
•
Starts-with – The signature is checked if it starts with the string specified in the
Option Value field.
•
Contains – The signature is checked if it contains the string specified in the Option
Value field.
Value Format Use the drop-down menu to select the character format of the value being checked. The
value can be either ASCII or Hexadecimal.
Option Value Use this text box to set the 64 character maximum DHCP option value to match.