Cisco ASR 9000 Series Command Reference

Examples
This example shows how to use the relay information option command:
RP/0/RSP0/CPU0:router# config
RP/0/RSP0/CPU0:router(config)# dhcp ipv4
RP/0/RSP0/CPU0:router(config-dhcpv4)# profile client relay
RP/0/RSP0/CPU0:router(config-dhcpv4-relay-profile)# relay information option
Related Commands
DescriptionCommand
Enables DHCP for IPv4 and enters
DHCP IPv4 configuration mode.
dhcp ipv4 (BNG), on page 147
Configures the DHCP relay agent
to relay packets to a specific DHCP
Server.
helper-address
Configures a DHCP server to
validate the relay agent information
option in forwarded BOOTREPLY
messages.
relay information check (BNG), on page 185
Configures the DHCP component
to not drop BOOTREQUEST
messages that have the relay
information option set and the
giaddr set to zero.
relay information option allow-untrusted (BNG), on page 189
Cisco ASR 9000 Series Aggregation Services Router Broadband Network Gateway Command Reference,
Release 5.2.x
188
BNG DHCP Commands
relay information option (BNG)

Cisco ASR 9000 Series Specifications

General

Series	ASR 9000
Category	Network Router
Modular Design	Yes
Redundancy	Yes (Hardware and Software)
Operating System	Cisco IOS XR
Interfaces/Ports	10G, 40G, 100G, 400G Ethernet
Expansion Slots	Varies by model
Routing Protocol	BGP, OSPF, IS-IS, EIGRP
Management	CLI, SNMP, NETCONF
Power Supply	Redundant
Port Density	Varies by model
Power Supply Options	AC, DC
Memory	Varies by model
Storage	Varies by model
Dimensions	Varies by model
Weight	Varies by model