Cisco A9K-SIP-700 Command Reference

broadcast-flag policy check (BNG)
To configure Dynamic Host Configuration Protocol (DHCP) IPv4 Relay to broadcast only BOOTREPLY
packets if the DHCP IPv4 broadacst flag is set in the DHCP IPv4 header, use the broadcast-flag policy check
command in DHCP IPv4 relay profile configuration submode or DHCP IPv4 server profile configuration
submode. By default, the DHCP IPv4 Relay always broadcasts BOOTREPLY packets. To restore the default,
use the no form of this command.
broadcast-flag policy{ check| unicast-always }
no broadcast-flag policy{ check| unicast-always }
Syntax Description
Checks the broadcast flag in packets.check
Sets the broadcast-flag policy to unicast-always.unicast-always
Command Default
Relay agent always broadcasts DHCP IPv4 packets to a client.
Command Modes
DHCP IPv4 relay profile configuration
DHCP IPv4 server profile
Command History
ModificationRelease
This command was introduced.Release 3.7.0
This command was supported for BNG.Release 4.2.0
The unicast-always keyword was added.Release 5.1
Usage Guidelines
No specific guidelines impact the use of this command.
Task ID
OperationsTask ID
read, writeip-services
Examples
This an example of the broadcast-flag policy check command:
RP/0/RSP0/CPU0:router# config
Cisco ASR 9000 Series Aggregation Services Router Broadband Network Gateway Command Reference, Release
5.2.x
143
BNG DHCP Commands
broadcast-flag policy check (BNG)

Cisco A9K-SIP-700 Specifications

General

Brand	Cisco
Model	A9K-SIP-700
Category	Network Router
Language	English