Cisco ASR 9000 Series Reference Guide

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Certain QoS functions may use the Drop Eligibility (DE) bit of the IEEE 802.1ad tag.
Examples
The following example shows how to map single-tagged 802.1ad ingress frames to a service instance:
RP/0/RSP0/CPU0:router(config-subif)# encapsulation dot1ad 100 dot1q 20
Related Commands
DescriptionCommand
Configure the default service instance on a port.encapsulation default, on page 4
Defines the matching criteria to map 802.1Q frames ingress on an
interface to the appropriate service instance.
encapsulation dot1q, on page 8
Defines the matching criteria to map untagged ingress Ethernet
frames on an interface to the appropriate service instance.
encapsulation untagged, on page 12
Cisco ASR 9000 Series Aggregation Services Router VPN and Ethernet Services Command Reference, Release
6.1.x
7
Ethernet Interfaces Commands
encapsulation dot1ad dot1q

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