Administrator Guide

Database write-delay (In minutes) : 0
DHCP packets information
Relay Information-option packets : 0
Relay Trust downstream packets : 0
Snooping packets : 0
Packets received on snooping disabled L3 Ports : 0
Snooping packets processed on L2 vlans : 142
DHCP Binding File Details
Invalid File : 0
Invalid Binding Entry : 0
Binding Entry lease expired : 0
List of Trust Ports :Gi 1/4
List of DHCP Snooping Enabled Vlans :Vl 10
List of DAI Trust ports :Gi 1/4
View the DHCP snooping binding table using the show ip dhcp snooping binding command.
DellEMC#show ip dhcp snooping binding
Codes : S - Static D - Dynamic
IP Address MAC Address Expires(Sec) Type VLAN Interface
=========================================================================
10.1.1.254 00:00:a0:00:00:02 162 D Vl 200 Gi 1/4
10.1.1.225 00:00:a0:00:00:03 163 D Vl 100 Gi 1/4
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 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 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 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
248
Dynamic Host Configuration Protocol (DHCP)