Setup Guide

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 Gi 1/4
10.1.1.101 00:00:a0:00:00:00 39736 S Vl 200 Gi 1/4
10.1.1.254 00:00:a0:00:00:00 162 D Vl 200 Gi 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
Example of the show ipv6 dhcp snooping binding Command
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 Gi 1/1
33::22 11:22:11:22:11:23 120331 S Vl 200 Gi 1/1
333:22::22 11:22:11:22:11:24 120331 D Vl 300 Gi 1/2
Debugging the IPv6 DHCP
To debug the IPv6 DHCP, use the following command.
• Display debug information for IPV6 DHCP.
EXEC Privilege mode
debug ipv6 dhcp
IPv6 DHCP Snooping MAC-Address Verication
Congure to enable verify source mac-address in the DHCP packet against the mac address stored in the snooping binding table.
• Enable IPV6 DHCP snooping .
CONFIGURATION mode
ipv6 dhcp snooping verify mac-address
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Dynamic Host Conguration Protocol (DHCP)