Reference Guide

1072 | Security
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clear ip dhcp snooping
c s z
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 z
Enable Option 82.
Syntax
ip dhcp relay information-option [trust-downstream]
Parameters
Command Modes
CONFIGURATION
Default
Disabled
Command History
ip dhcp snooping
c s z
Enable DHCP Snooping globally.
Syntax
[no] ip dhcp snooping
Command Modes
CONFIGURATION
Default
Disabled
Command History
Version 8.3.11.1 Introduced on Z9000
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 8.3.11.1 Introduced on Z9000
Version 7.8.1.0 Introduced on C-Series and S-Series
Version 8.3.11.1
Introduced on Z9000
Version 7.8.1.0 Introduced on C-Series and S-Series