Dell PowerEdge VRTX - Manual (Page 391)

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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
Configuring DHCP Snooping Trusted Interfaces Using CLI Commands
The following table summarizes the CLI commands for configuring DHCP
snooping trusted interfaces .
The following is an example of some of the CLI commands:
Snooping Binding Database
Entries in the DHCP Snooping Binding database consist of pairs of MAC/IP
addresses.
In addition to the entries added by DHCP snooping, entries to the Snooping
Binding database can be manually added or deleted. These entries are added
to the Snooping Binding database and Snooping Binding file, if it exists, but
they are not added to the configuration files.
A manually-added entry can be either dynamic or a static. When configuring
a dynamic entry, an expiration date must be assigned.
The refresh time (in seconds) of the binding table is added in the Global
Parameters pages.
To query and add IP addresses to the Binding database:
1 Click Switching > DHCP Snooping > Binding Database in the tree view
to display the Binding Database: Summary page.
A list of the database entries is displayed.
2 To query the database, enter query criteria and click Query. Database
entries matching the query are displayed.
3 To add an entry, click Add, and enter the fields:
Table 17-4. DHCP Snooping Trusted Interfaces CLI Commands
CLI Command Description
ip dhcp snooping trust
no ip dhcp snooping
trust
Configures an interface as trusted for DHCP
snooping purposes.
Use the no form of this command to return to the
default setting.
console(config)# interface gi0/5
console(config-if)# ip dhcp snooping trust