Dell Networking N4000 Series Configuration Manual page 905

Command
ip dhcp snooping
database write-delay
seconds
ip dhcp snooping limit
rate
{none | rate
[burst
seconds
interval
]}
interface
interface
ip dhcp snooping trust
exit
interface [range] vlan
vlan id
CTRL + Z
show ip dhcp snooping
[interfaces]
show ip dhcp snooping
binding [{static |
dynamic}] [interface
port vlan-id
] [vlan
show ip dhcp snooping
database
show ip dhcp snooping
statistics
Purpose
Configure the interval, in seconds, at which the DHCP
Snooping database will be stored in persistent storage. The
number of seconds can range from 15–86400.
Configure the maximum rate of DHCP messages allowed
on the switch at any given time.
rate
• —The maximum number of packets per second
allowed (Range: 0–300 pps).
seconds
•
seconds).
Enter interface configuration mode for the specified port
or LAG. The
and number, for example tengigabitethernet 1/0/3. For a
LAG, the interface type is port-channel.
You can also specify a range of ports with the interface
range command, for example, interface range
tengigabitethernet 1/0/8-12 configures interfaces 8, 9, 10,
11, and 12.
Configure the interface (or range of interfaces) as a trusted
port. DHCP server messages are not filtered on trusted
ports.
Exit to Global Configuration mode.
Enter interface configuration mode for the specified
VLAN or range of VLANs.
Exit to Privileged EXEC mode.
View the DHCP snooping global and per port
configuration.
View the entries in the DHCP snooping bindings database.
]
View information about the persistent database
configuration.
View the DHCP snooping statistics.
—The time allowed for a burst (Range: 1–15
interface
variable includes the interface type
Snooping and Inspecting Traffic
905