Dell PowerEdge VRTX - Manual (Page 389)

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FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Dell Plasma\User
Guide\Plasma_UGSwitching_DHCP.fm
D E L L CO N F I D E N T I A L – P R E L I MI N A RY 4/ 1 8 /1 3 - F O R PR O O F O N LY
The following is an example of some of the CLI commands:
VLAN Settings
To separate ports in a VLAN, enable DHCP snooping on it.
Before you enable DHCP snooping on a VLAN, you must globally enable
DHCP snooping on the device.
ip dhcp snooping database
update-freq seconds
no ip dhcp snooping database
update-freq
Configures the update frequency of
the DHCP snooping binding file.
Use the no form of this command to
return to default.
show ip dhcp snooping
[interface-id]
Displays the DHCP snooping
configuration.
console(config)# ip dhcp snooping
console(config)# ip dhcp snooping information option
allowed-untrusted
console(config)# ip dhcp snooping verify
console(config)# ip dhcp snooping database
console(config)# ip dhcp snooping database frequency 1200
console# show ip dhcp snooping
DHCP snooping is enabled
DHCP snooping database: enabled
Option 82 on untrusted port is allowed
Verification of hwaddr field is enabled
DHCP snooping file update frequency is configured to: 1200
seconds
Interface Trusted
--------- ----------
gi2/1 yes
gi2/2 yes
Table 17-2. DHCP Snooping Global Parameters CLI Commands (Continued)
CLI Command Description