Secure Dhcp Commands - Dell MXL 10GbE Reference Manual

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Secure DHCP Commands

The dynamic host configuration protocol (DHCP) as defined by RFC 2131 provides no authentication or
security mechanisms. Secure DHCP is a suite of features that protects networks that use dynamic address
allocation from spoofing and attacks.
clear ip dhcp snooping
Clear the DHCP binding table.
Syntax
clear ip dhcp snooping binding
Defaults none
Command EXEC Privilege
Modes
Command
Version 8.3.16.1
History
Related show ip dhcp snooping
Commands
ip dhcp relay
Enable Option 82.
Syntax
ip dhcp relay information-option [trust-downstream]
Parameters
trust-
downstream
Defaults Disabled.
Command CONFIGURATION
Modes
Command
Version 8.3.16.1
History
Security
Introduced on the MXL 10/40GbE Switch IO Module.
— displays the contents of the DHCP binding table.
Configure the system to trust Option 82 when it is received
from the previous-hop router.
Introduced on the MXL 10/40GbE Switch IO Module.
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