Ip Helper Per-Vlan-Only - Alcatel-Lucent 060321-10, Rev. B Cli Reference Manual

DHCP Relay Commands

ip helper per-vlan-only

Sets the DHCP Relay forwarding option to process only DHCP packets received from a specific,
identified VLAN. This option allows each VLAN to have its own relay.
ip helper per-vlan-only
Syntax Definitions
N/A
Defaults
By default, the UDP forwarding option is set to standard.
Platforms Supported
OmniSwitch 10K
Usage Guidelines
•
When the forwarding option is set to per-vlan-only, the standard (global) DHCP relay service is not
available. These two types of services are mutually exclusive.
•
To process DHCP packets on a per VLAN basis, or to change the DHCP Relay forwarding option from
standard to per VLAN, use the
•
Using the per-vlan-only forwarding option requires you to specify a DHCP server IP address for each
VLAN that provides a relay service. The
at the same time enables relay for the specified VLAN.
Examples
-> ip helper per-vlan-only
Release History
Release 7.1.1; command introduced.
Related Commands
ip helper vlan address
ip helper standard
show ip helper
show ip helper statistics
OmniSwitch CLI Reference Guide
ip helper per-vlan-only
ip helper vlan address
Configures a DHCP Relay service for the specified VLAN.
Sets DHCP Relay forwarding option to standard. All DHCP packets are
processed.
Displays current DHCP Relay configuration information.
Displays DHCP Relay statistics, including the number of client packets
received and transmitted to the DHCP server and packets dropped due to
forward delay time and maximum hops violations.
March 2011
command.
command performs this function and
ip helper per-vlan-only
page 15-7