Administrator Guide

Version Description
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.3.1.0 Introduced on the E-Series.
8.2.1.0 Introduced on the C-Series and S-Series.
Related
Commands
arp inspection — enables dynamic ARP inspection on a VLAN.
clear ip dhcp snooping
Clear the DHCP binding table.
C9000 Series
Syntax
clear ip dhcp snooping binding
Defaults none
Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.3.1.0 Introduced on the E-Series.
8.2.1.0 Introduced on the C-Series and S-Series.
Related
Commands
show ip dhcp snooping — displays the contents of the DHCP binding table.
ip dhcp relay information-option
Enable Option 82.
C9000 Series
Syntax
ip dhcp relay information-option [trust-downstream] [vpn]
Parameters
trust-downstream Configure the system to trust Option 82 when it is received from the previous-hop router.
vpn Enter the keyword vpn to add VPN/VRF related sub-option to relay agent information
Option 82.
NOTE: Adds the VPN/VRF related sub-options into the relay agent
information option( 82). When DHCP broadcasts are forwarded by the relay
agent from clients to DHCP server.
Default Disabled.
602 Dynamic Host Configuration Protocol (DHCP)