Cisco ASR 9000 Series Command Reference

Examples
This examples shows how to allow duplicate client MAC addresses across different VLANs and interfaces,
using the duplicate-mac-allowed command:
RP/0/RSP0/CPU0:router# configure
RP/0/RSP0/CPU0:router(config)# dhcp ipv4
RP/0/RSP0/CPU0:router(config-dhcpv4)# duplicate-mac-allowed exclude-vlan
Related Commands
DescriptionCommand
Enables Dynamic Host Configuration Protocol
(DHCP) for IPv4 and enters DHCP IPv4 configuration
mode.
dhcp ipv4 (BNG), on page 147
Cisco ASR 9000 Series Aggregation Services Router Broadband Network Gateway Command Reference, Release
5.2.x
157
BNG DHCP Commands
duplicate-mac-allowed

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