Administrator Guide
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 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
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 Verification
Configure 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
Dynamic Host Configuration Protocol (DHCP)
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