White Papers

Table Of Contents
Clearing the DHCP IPv6 Binding Table
To clear the DHCP IPv6 binding table, use the following command.
Delete all of the entries in the binding table.
EXEC Privilege mode
clear ipv6 dhcp snooping binding
DellEMC# clear ipv6 dhcp snooping?
binding Clear the snooping binding database
Displaying the Contents of the Binding Table
To display the contents of the binding table, use the following command.
Display the DHCP snooping information.
EXEC Privilege mode
show ip dhcp snooping
Display the contents of the binding table.
EXEC Privilege mode
show ip dhcp snooping binding
View the DHCP snooping statistics with the show ip dhcp snooping command.
View the DHCP snooping binding table using the show ip dhcp snooping binding command.
The following example output of the show ip dhcp snooping binding command displays that different IP addresses are
mapped to the same MAC address:
The following example shows a sample output of the show ip dhcp snooping binding command for a device connected
to both the VLT peers. The Po 10 interface is the VLT port channel connected to a ToR switch or an end device.
DellEMC#show ip dhcp snooping binding
Codes : S - Static D - Dynamic
IP Address MAC Address Expires(Sec) Type VLAN Interface
=========================================================================
10.1.1.10 00:00:a0:00:00:00 39735 S Vl 200 Po 10
10.1.1.11 00:00:a0:00:00:00 39736 S Vl 200 Po 10
10.1.1.25 00:00:a0:00:00:00 162 D Vl 200 Po 10
The following example shows a sample output of the show ip dhcp snooping binding command for a device connected
to one of the VLT peers only (orphaned). The physical interface is the one that is directly connected to the VLT peer.
The following example shows a sample output of the show ip dhcp snooping binding command for a device connected
to the peer VLT node, but not to itself. The Po 10 interface is the VLTi link between the VLT peers.
DellEMC#show ip dhcp snooping binding
Codes : S - Static D - Dynamic
IP Address MAC Address Expires(Sec) Type VLAN Interface
=========================================================================
10.1.1.10 00:00:a0:00:00:00 39735 S Vl 200 Po 10
10.1.1.11 00:00:a0:00:00:00 39736 S Vl 200 Po 10
10.1.1.25 00:00:a0:00:00:00 162 D Vl 200 Po 10
Displaying the Contents of the DHCPv6 Binding Table
To display the contents of the DHCP IPv6 binding table, use the following command.
Display the contents of the binding table.
EXEC Privilege mode
show ipv6 dhcp snooping biniding
View the DHCP snooping statistics with the show ipv6 dhcp snooping command.
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Dynamic Host Configuration Protocol (DHCP)