Displaying Dhcp Snooping Status And Ports; Displaying The Dhcp Snooping Binding Database; Displaying Dhcp Binding Entry And Status; Dhcp Snooping Configuration Example - Dell PowerConnect B-FCXs Configuration Manual

To remove all entries from the DHCP binding database, enter the following command.
PowerConnect#clear dhcp
To clear entries for a specific IP address, enter a command such as the following.
PowerConnect#clear dhcp 10.10.102.4
Syntax: clear dhcp [<ip-addr>]

Displaying DHCP snooping status and ports

To display the DHCP snooping status for a VLAN and the trusted/untrusted port, use the show ip
dhcp snooping vlan command.
PowerConnect#show ip dhcp snooping vlan 2
IP DHCP snooping VLAN 2: Enabled
Syntax: show ip dhcp snooping [vlan <vlan-id>]

Displaying the DHCP snooping binding database

To display the DHCP snooping binding database, use the show ip dhcp snooping info command.
PowerConnect#show ip dhcp snooping info
Dhcp snooping Info
Total learnt entries 1
SAVED DHCP ENTRIES IN FLASH
0
Syntax: show ip dhcp snooping info

Displaying DHCP binding entry and status

To display the DHCP binding entry and its current status, use the show arp command.
PowerConnect#show arp
Total number of ARP entries: 2, maximum capacity: 6000
No.
1
2
Syntax: show arp
For field definitions, refer to

DHCP snooping configuration example

The following example configures VLAN 2 and VLAN 20, and changes the CLI to the global
configuration level to enable DHCP snooping on the two VLANs. The commands are as follows.
PowerConnect B-Series FCX Configuration Guide
53-1002266-01
IP Address Mac Address
10.10.10.20 0001.0002.0003
IP Address MAC Address
10.43.1.1 00e0.0001.c320
10.43.1.199 00e0.0002.b263
Table 161
Port vlan lease
6/13 1112 361
Type Age
Dynamic 0
Dynamic 7
on page 875.
39
DHCP snooping
Port Status
mgmt1 Valid
mgmt1 Valid
1353