Administrator Guide

Related
Commands
• show ip dhcp snooping — display the contents of the DHCP binding table.
clear ipv6 dhcp snooping binding
Clear all the DHCPv6 snooping binding database entries.
Syntax
clear ipv6 dhcp snooping binding
Defaults None
Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100-ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S4810, S4820T, S6000, S6000-ON, and Z-Series.
Example
DellEMC# clear ipv6 dhcp snooping?
binding Clear the snooping binding database
ip dhcp relay
Enable Option 82.
Syntax
ip dhcp relay information-option [remote-id {port | hostname:port | mac} |
circuit-d {port | hostname:port | mac} | trust-downstream]
Parameters
remote-id Enter the keyword remote-id to configure the system to enable the remote-id string in
option-82.
remote-id port Enter the keywords remote-id port to configure the port as the remote id in option–
82.
remote-id
hostname:port
Enter the keywords remote-id hostname:port to configure the format of the
hostname and port attributes.
remote-id mac Enter the keywords remote-id mac to configure the chassis MAC address as the
remote-id in option–82.
circuit-id Enter the keyword circuit-id to configure the system to enable the circuit-id string in
option–82.
circuit-id port Enter the keywords circuit-id port to configure the port as the circuit-is in
option-82.
circuit-id
hostname:port
Enter the keywords circuit-id hostname:port to configure the circuit-id format
that is sent to the server.
circuit-id mac Enter the keywords circuit-id mac to configure the chassis MAC address as the
circuit-id in option–82.
Dynamic Host Configuration Protocol (DHCP) 547