Reference Guide
● Display the contents of the binding table.
EXEC Privilege mode
show ip dhcp snooping
View the DHCP snooping statistics with the show ip dhcp snooping command.
Dell#show ip dhcp snooping
IP DHCP Snooping : Enabled.
IP DHCP Snooping Mac Verification : Disabled.
IP DHCP Relay Information-option : Disabled.
IP DHCP Relay Trust Downstream : Disabled.
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 :Te 0/49
List of DHCP Snooping Enabled Vlans :Vl 10
List of DAI Trust ports :Te 0/49
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.
Dell#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 Te 1/1
33::22 11:22:11:22:11:23 120331 S Vl 200 Te 1/1
333:22::22 11:22:11:22:11:24 120331 D Vl 300 Te 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 .
Dynamic Host Configuration Protocol (DHCP)
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