Reference Guide

1386 | Security
www.dell.com | support.dell.com
clear ip dhcp snooping
c s
Clear the DHCP binding table.
Syntax clear ip dhcp snooping binding
Command Modes
EXEC Privilege
Default
None
Command
History
Related
Commands
ip dhcp relay
c s
Enable Option 82.
Syntax
ip dhcp relay information-option [trust-downstream]
Parameters
Command Modes
CONFIGURATION
Default
Disabled
Command
History
ip dhcp snooping
c s
Enable DHCP Snooping globally.
Syntax
[no] ip dhcp snooping
Command Modes
CONFIGURATION
Default
Disabled
Version 7.8.1.0 Introduced on C-Series and S-Series
show ip dhcp snooping Display the contents of the DHCP binding table.
trust-downstream
Configure the system to trust Option 82 when it is received from the
previous-hop router.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.7.0 Introduced on S4810
Version 7.8.1.0 Introduced on C-Series and S-Series