Usage Information

VersionDescription

8.3.19.0Introduced on the S4820T.

8.3.11.1Introduced on the Z9000.

8.3.7.0Introduced on the S4810.

8.3.1.0Introduced on the E-Series.

8.2.1.0Added the keyword ipmac.

7.8.1.0Introduced on the C-Series and S-Series.

Allocate at least one FP block to ipmacacl before you can enable IP+MAC Source Address Validation and SAV with VLAN option.

1.Use the cam-acl l2acl command from CONFIGURATION mode.

2.Save the running-config to the startup-config.

3.Reload the system.

ip dhcp relay information-option

Enable Option 82.

S6000

Syntaxip dhcp relay information-option [trust-downstream] [vpn]

Parameters

Configure the system to trust Option 82 when it is received

trust-

downstream

from the previous-hop router.

vpn

Enter the keyword vpn to add VPN/VRF related sub-option

 

to relay agent information Option 82.

 

NOTE: Adds the VPN/VRF related sub-options into the

 

relay agent information option(82). When DHCP

 

broadcasts are forwarded by the relay agent from clients

 

to DHCP server.

Default

Command Modes

Command History

Disabled.

CONFIGURATION

This guide is platform-specific. For command information about other platforms, refer to the relevant Dell Networking OS Command Line Reference Guide.

The following is a list of the Dell Networking OS version history for this command.

VersionDescription

9.7(0.0)

Introduced on the S6000-ON.

Dynamic Host Configuration Protocol (DHCP)

571

Page 571
Image 571
Dell 9.7(0.0) manual Ip dhcp relay information-option, Syntaxip dhcp relay information-option trust-downstream vpn, Vpn