Install Guide

The following example output of the show ip dhcp snooping binding command displays that different IP addresses are
mapped to the same MAC address:
DellEMC#show ip dhcp snooping binding
Codes : S - Static D - Dynamic
IP Address MAC Address Expires(Sec) Type VLAN Interface
=========================================================================
10.1.1.100 00:00:a0:00:00:00 39735 S Vl 200 Tw 1/4
10.1.1.101 00:00:a0:00:00:00 39736 S Vl 200 Tw 1/4
10.1.1.254 00:00:a0:00:00:00 162 D Vl 200 Tw 1/4
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.
DellEMC#show ip dhcp snooping binding
Codes : S - Static D - Dynamic
IP Address MAC Address Expires(Sec) Type VLAN Interface
=========================================================================
10.1.1.100 00:00:a0:00:00:00 39735 S Vl 200 Tw 1/4
10.1.1.101 00:00:a0:00:00:00 39736 S Vl 200 Tw 1/4
10.1.1.254 00:00:a0:00:00:00 162 D Vl 200 Tw 1/4
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.
DellEMC#show ipv6 dhcp snooping binding
Codes : S - Static D – Dynamic
IPv6 Address MAC Address Expires(Sec) Type VLAN Interface
=========================================================================
11:11::22 11:22:11:22:11:22 120331 S Vl 100 Tf 1/1
33::22 11:22:11:22:11:23 120331 S Vl 200 Tf 1/3
333:22::22 11:22:11:22:11:24 120331 D Vl 300 Tf 1/2
Dynamic Host Configuration Protocol (DHCP)
301