Cisco 7604-RSP720C-R Instrukcja Użytkownika Pobierz pdf (Strona 39)

Chapter 1: Routing 1-39

Routing

QoS), Multiprotocol Label Switching (MPLS), and Hierarchical Virtual Private LAN Services (H-VPLS). The

ASIC provides line-rate performance and offers advanced services including access control list (ACL) and

H-QoS without affecting performance. The Carrier Ethernet ASIC incorporates innovative traffic-

management capabilities while providing intelligent packet switching and routing operations.

• Service richness—With the Cisco ASR 903 Router, customers will be able to deliver services ranging from

basic TDM, ATM, and Ethernet services to advanced feature-rich and secure MPLS services, including

Pseudo Wire Emulation (PWE), Carrier Ethernet (CE), Multiprotocol Label Switching Transport Profile (MPLS-

TP), MPLS Layer 2 VPNs (MPLS L2VPNs), and MPLS Layer 3 VPNs. The service offering is enhanced with

rich operations, administration, and management (OAM) functions including: IEEE 802.1ag Connectivity Fault

Management (CFM), IP service-level agreement (IP SLA), Y.1731 Fault Management and Performance

Management, Bidirectional Forwarding Detection (BFD), and MPLS OAM.

Specifications

Selected Part Numbers and Ordering Information

Model Cisco ASR 903

Dimensions (H x W x D)

5.22 x 17.44 x 9.22 in. (132.6 x 443 x 234.2 mm)

Chassis Height

3RU

Cisco ASR 900 Series RSP

Dual redundant RSPs in 2 slots

Cisco ASR 900 Series IMs

6 Interface Module slots

“Commons” Components

•Two RSPs

•One fan tray

• Two Power Supplies (either DC or AC)

Reliability and Availability

• Fan redundancy

• Feed redundancy

• Power-supply redundancy

• RSP redundancy

• Software redundancy

Rack Mounting

Ye s :

•ETSI

• 19 inch

• 23 inch

Airflow

Side-to-Side

Capacity

RSP

• 55Gbps

• Active /Standby non-blocking operation mode in dual RSP redundant configuration

• Fully redundant in dual RSP redundant configuration

• Built-in service-intelligence and traffic- prioritization capability

Thermal

• Twelve high-efficiency fans per tray

• Variable-speed fans for optimal thermal performance

• Fully operational in single fan failure scenario

Power

• Maximum 550Watt input power

• Up to 2 power supplies (AC or DC)

Note: Mixing of AC and DC modules is not supported.

• Module redundancy: 1:1

• Modules operate in load share mode.

Cisco ASR 903 Series Aggregation Services Routers —Chassis, Fan tray, RSPs, Power supplies

ASR-903 ASR 903 Router Chassis

A903-FAN ASR 903 FAN Tray

A900-PWR550-A ASR 900 550W AC Power Supply

A900-PWR550-D ASR 900 550W DC Power Supply

A900-RSP1A-55 ASR 900 Route Switch Processor 1, Base Scale, 55Gbps

A900-RSP1B-55 ASR 900 Route Switch Processor 1, Large Scale, 55Gbps

Cisco ASR 903 Series Aggregation Services Routers —Interface Modules

A900-IMA8T ASR 900 8 port 10/100/1000 Ethernet Interface Module

A900-IMA8S ASR 900 8 port SFP Gigabit Ethernet Interface Module

A900-IMA1X ASR 900 1 port 10GE XFP Interface Module

A900-IMA16D ASR 900 16 port T1/E1 Interface Module

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