A9K-4T-L, Cisco ASR 9000 Line Card, 4x10GE XFP/Low Queue/No XFP

  • Brand: Cisco
  • Model: A9K-4T-L
Rating:
100%
5/5.0
List Price: $52,497.15
34% OFF
$34,638.19
  • 100% Genuine
    100% Genuine
    Original, factory-verified
    3-Year Warranty
    3-Year Warranty
    Extended, enterprise-grade
    23 Years Expertise
    24 Years Expertise
    Proven, deployment-focused
  • Condition
    • Original New · Covered SN
    Express Shipping to United States Get Shipping Estimate
    Estimated shipping time: 2–6 business days via DHL, FedEx, UPS and more
    expert
    Certified Expertise Builds Trust
    CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert

    You may also be interested in the following product(s)

    • Faster Delivery, Globally Ready

      Faster Delivery, Globally Ready

      20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.

      48H Worldwide Shipping
      10+ Global Warehouses
    • Keep Projects On Time

      Keep Projects On Time

      Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.

    • Leading Global Distributor Since 2002

      Leading Global Distributor
      Since 2002

      A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

        21500+ Enterprise Clients Served200+ Countries & Regions Covered
    • Worry-Free Coverage with RSCare

      Worry-Free Coverage with RSCare

      3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.

      Cisco SmartNet
      HPE Foundation Care
      Dell ProSupport
      Juniper Care
      Fortinet Support
    • Your Trusted Genuine Source

      Your Trusted Genuine Source

      Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.

      100% Authentic Products
      100,000+ Multi-Brand SKUs Available
    Overview
    End-of-Life Notice
    End-of-Life Notice
    A9K-4T-L is officially EOL. Service support ends on 2020-05-31.
    For full lifecycle details, see A9K-4T-L EOL.

    Cisco A9K-4T-L Overview

    The Cisco A9K-4T-L is a carrier-grade ASR 9000 Series line card designed for high-performance Ethernet aggregation and IP/MPLS edge services. This 4-port 10GE module uses XFP optics and offers 8 hardware queues per port, 8,000 policers, and 4,000 Ethernet flow points to support granular QoS and scalable L2VPN/L3VPN deployments. With Cisco IOS XR, advanced OAM, and comprehensive security, it is ideal for service providers and large enterprise WAN cores.

    Product Highlights

    4×10GE
    Port Density
    8/port
    Low Queues
    4,000
    EFP Scale

    Product Applications Scenarios

    Service Providers
    The A9K-4T-L delivers scalable 10GE aggregation, rich QoS, and MPLS L2/L3 VPN services, helping carriers cut edge footprint and simplify multi-tenant transport.
    Data Center
    Used as a high-capacity edge line card, it aggregates 10GE server or leaf links with fast convergence, improving backbone utilization and uptime.
    Enterprise Network
    Large enterprises deploy this line card for resilient WAN cores, enabling segmented VPNs, multicast, and strong security while reducing TCO.

    Product Features Comparison

      Cisco Cisco Cisco Cisco
    Model A9K-4T-L A9K-24X10GE-TR A9K-2X100GE-TR A9K-2T20GE-E
    Brand Cisco Cisco Cisco Cisco
    Module Type n/a Line Card Line Card n/a
    Port Configuration 4-Port 10GE Low Queue Line Card, requires XFPs 24 ports of 10 Gigabit Ethernet per line card 2 ports of 100 Gigabit Ethernet per line card 2-Port 10GE, 20-Port GE High Queue Combo Line Card, requires XFPs for 10GE, SFPs for GE
    Supported Speed 10 Mbps, 100 Mbps, 1 Gbps, and 10 Gbps IEEE 802.3 Ethernet 10 Gbps line-rate throughput per port 100 Gbps line-rate throughput per port 10 Mbps, 100 Mbps, 1 Gbps, and 10 Gbps IEEE 802.3 Ethernet
    Compatible Platform n/a Compatible with the Cisco ASR 9000 Series 22-slot, 10-slot, and 6-slot chassis Compatible with the Cisco ASR 9000 Series 22-slot, 10-slot, and 6-slot chassis n/a
    Installation Type n/a Line card online insertion and removal (OIR) support without system impact Line card Online Insertion and Removal (OIR) support without affecting the system n/a

    Optional Add-ons

    Model Number Description
    XFP-10GLR-OC192SR Cisco XFP optical transceiver, multirate 10GBASE-LR/OC192 SR-1 for 10GE ports on A9K-4T-L
    XENPAK-10GB-LR+ Cisco 10GBASE-LR XENPAK module with DOM support for long-reach 10GbE links in ASR 9000 networks
    A9K-750W-AC Cisco 750W AC power supply module for ASR 9000 Series routers to ensure reliable power for line cards

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Cisco A9K-4T-L Specification

    Model
    A9K-4T-L
    Brand
    Cisco
    Part Number
    A9K-4T-L
    Product Description
    4-Port 10GE Low Queue Line Card, requires XFPs
    Total Queues
    8 per port
    Policers
    8000
    Ethernet Flow Points (EFPs)
    4000
    Cisco IOS XR Software Support - Modular Software Design
    Cisco IOS XR Software provides modular software design with routing-system scalability, high availability, service isolation, and manageability for mission-critical next-generation networks.
    Cisco IOS XR Software Support - OS Infrastructure Protection
    Microkernel architecture places all but critical functions such as memory management and thread distribution outside of the kernel to prevent application, file system, or driver failures from causing widespread disruption.
    Cisco IOS XR Software Support - Process and Thread Protection
    Each process and process thread runs in its own protected memory space with communication through secure, version-controlled APIs to minimize the impact of any process failure.
    Cisco IOS XR Software Support - Process Restart
    Supports manual or automatic restart of critical control-plane processes without restarting the entire OS, enabling continuous system availability and fast recovery from process or protocol failures.
    Cisco IOS XR Software Support - State Checkpointing
    Maintains memory and critical operating state across process restarts so that routing adjacencies and signaling state can be preserved during RSP switchover.
    Flexible Ethernet Services - EVCs
    Ethernet virtual connections (EVCs) to carry traffic for specific service types or end users; supports MPLS-based L2VPNs and native Ethernet switching deployments.
    Flexible Ethernet Services - VLAN Classification
    Flexible VLAN classification into EFPs for single-tagged VLANs, double-tagged VLANs (QinQ and IEEE 802.1ad), contiguous VLAN ranges, and noncontiguous VLAN lists.
    Flexible Ethernet Services - IEEE Bridging
    Supports native bridging based on IEEE 802.1Q, IEEE 802.1ad, IEEE 802.1ah, and QinQ VLAN encapsulation mechanisms.
    Flexible Ethernet Services - IEEE 802.1s MST
    IEEE 802.1s Multiple Spanning Tree extends IEEE 802.1w Rapid Spanning Tree Protocol to multiple spanning trees for rapid convergence and load balancing.
    Flexible Ethernet Services - MST Access Gateway
    Provides resilient, fast-convergence aggregation and connectivity to Ethernet-based access rings.
    L2VPN Services - VPLS
    Virtual Private LAN Services (VPLS) connect multiple sites in a single bridged domain over a managed IP/MPLS network with Ethernet interfaces and flexible bandwidth decoupled from physical interfaces.
    L2VPN Services - HVPLS
    Hierarchical VPLS (HVPLS) adds hierarchy at the VPLS edge for higher scale; supports QinQ access and Ethernet over MPLS (pseudowire) access.
    L2VPN Services - VPWS with EoMPLS
    Virtual Private Wire Service (VPWS) with Ethernet over MPLS transports Ethernet frames across an MPLS core using pseudowires from individual EFPs or entire ports to egress interfaces or subinterfaces.
    L2VPN Services - Pseudowire Redundancy
    Supports definition of a backup pseudowire to protect against primary pseudowire failure.
    L2VPN Services - G.8032
    ITU-T G.8032 Ethernet ring protection providing sub-50 ms protection switching for Ethernet traffic in a ring topology (version 2 compliant on Cisco ASR 9000 Series).
    L2VPN Services - Multisegment Pseudowire Stitching
    Supports multisegment pseudowire stitching to interwork two pseudowires and form a cross-connect relationship.
    Multicast - IPv4 Multicast
    Supports IGMPv2 and IGMPv3, PIM-SSM, PIM-SM, PIM SSM Mapping, MSDP, Multicast VPN, and Anycast RP for IPv4 multicast services.
    Multicast - IGMP Snooping
    IGMPv2 and IGMPv3 snooping at VLAN or pseudowire level for efficient multicast membership tracking and optimized downstream traffic in L2VPN networks.
    OA&M - Ethernet OAM IEEE 802.3ah
    Ethernet link layer OAM to monitor physical link health and assist in fault isolation; supports rapid link-failure detection and remote failure signaling with IEEE 802.1ag.
    OA&M - EOAM IEEE 802.1ag
    Ethernet Connectivity Fault Management (E-CFM) for discovery and verification of paths through IEEE 802.1 bridges and LANs.
    OA&M - EOAM ITU Y.1731
    Fault Management builds on IEEE 802.1ag for Ethernet network verification and troubleshooting; Performance Monitoring measures delay, latency, and loss to support SLAs.
    OA&M - Ethernet LMI (E-LMI)
    Ethernet Local Management Interface between CE and PE on the UNI link to notify CE of connectivity status and configuration parameters of Ethernet services.
    OA&M - MPLS OAM
    Supports MPLS label switched path ping, LSP traceroute, and VCCV for MPLS OAM.
    Layer 3 Routing - IPv4
    Supports IPv4 routing with BGP, IS-IS, OSPF, RIP, static routes, IPv4 multicast, Routing Policy Language (RPL), HSRP, and VRRP.
    Layer 3 Routing - IPv6
    Supports IPv6 routing with OSPFv3, IS-IS, VRRPv6, DHCPv6 relay, and static routing.
    Layer 3 Routing - BGP PIC
    BGP Prefix Independent Convergence (PIC) for fast convergence of BGP routes using Cisco IOS XR fast-convergence capabilities.
    MPLS L3VPN
    Supports scalable IPv4 Layer 3 MPLS VPN backbone services for business applications, data hosting, e-commerce, and telephony services.
    MPLS L3VPN - Carrier Supporting Carrier (CSC)
    Allows an MPLS VPN service provider to connect sites using another backbone provider while maintaining private customer address spaces, as defined in IETF RFC 4364.
    MPLS L3VPN - Selective VRF Download
    Downloads VRF FIB entries only to line cards with VRF membership, improving chassis FIB scale and avoiding unnecessary entries.
    MPLS L3VPN - 6PE and 6VPE
    6PE and 6VPE enable scalable IPv6 introduction from the edge over an IPv4/MPLS backbone without IPv6 addressing restrictions or impact on the existing backbone.
    MPLS Traffic Engineering
    Supports MPLS TE with TE-FRR, RSVP, LDP, and Targeted LDP.
    MPLS TE - Preferred Path
    Maps pseudowires to specific MPLS TE tunnel interfaces, cross-connecting attachment circuits to chosen TE tunnels instead of remote PE IP addresses.
    MPLS TE - Auto-Bandwidth
    Automatically adjusts MPLS TE tunnel bandwidth allocation based on measured traffic load.
    MPLS TE - Point-to-Multipoint (P2MP)
    Point-to-Multipoint Traffic Engineering forwards MPLS traffic from one source to multiple destinations with explicit path control and FRR protection for P2MP TE sub-LSPs.
    High Availability - MPLS TE-FRR
    MPLS TE Fast Reroute provides Layer 3 protection switching and temporary rerouting around failed links, nodes, or paths in MPLS LSP networks.
    High Availability - BFD
    Bidirectional Forwarding Detection delivers fast forwarding-path failure detection for all media types, encapsulations, topologies, and routing protocols.
    High Availability - 802.3ad Link Aggregation
    Supports IEEE 802.3ad link aggregation bundles with multiple member links for resiliency and load balancing.
    High Availability - MC-LAG
    Multichassis Link Aggregation Group provides standards-based 802.3ad bundles to a pair of Cisco ASR 9000 routers appearing as a single device, enabling rapid restoration and supporting L2VPN, L3VPN, residential backhaul, mobile aggregation, and service provider edge solutions.
    Manageability - IOS XR Interfaces
    Industry-standard management with modular CLI, SNMP, Cisco Discovery Protocol (CDP), Link Layer Discovery Protocol (LLDP), and native XML interfaces.
    Manageability - Smart Call Home
    Smart Call Home proactively identifies and reports problems before they affect services, reducing troubleshooting time and speeding resolution.
    Manageability - Cisco ANA
    Cisco Active Network Abstraction (ANA) provides a flexible, vendor-neutral management framework that discovers network components, tracks status in near real time, and simplifies OSS integration and resource management.
    Manageability - Cisco ANA Benefits
    Offers simplified OSS integration with network information, a flexible common infrastructure for resource management, and consistent procedures and interfaces for all network elements.
    Security - IOS XR Features
    Provides ACLs, control-plane protection, routing authentication, AAA and TACACS+, SSH, SNMPv3, and Routing Policy Language (RPL) support for comprehensive security.
    Security - Layer 2 ACLs
    Layer 2 ACLs filter packets under an EVC based on MAC addresses.
    Security - Layer 3 ACLs
    Layer 3 ACLs match IPv4 packets based on Layer 3 attributes.
    Security - L2CP/BPDU Filtering
    Supports IEEE 802.1ad Layer 2 Control Protocol and BPDU filtering for control-plane protection at Layer 2.
    Security - MAC Limiting
    MAC limiting per EFP or bridge domain to control MAC address learning.
    Security - Storm Control
    Unicast, multicast, and broadcast storm-control blocking on any interface or port.
    Security - UUFB
    Unknown Unicast Flood Blocking (UUFB) to protect against unknown unicast flooding.
    Security - DHCP Snooping
    Dynamic Host Configuration Protocol (DHCP) snooping to prevent rogue DHCP servers and enforce address assignment policies.
    Security - URPF
    Unicast Reverse Path Forwarding (URPF) to mitigate IP source address spoofing.
    Security - Control-Plane Security
    Dedicated control-plane security mechanisms to protect routing and management processes.
    Security - DAI
    Dynamic ARP Inspection (DAI) to prevent ARP spoofing attacks.
    Security - IP Source Guard
    IP Source Guard (IPSG) to restrict traffic on untrusted Layer 2 ports based on IP-to-MAC bindings.
    Connectivity
    10 Mbps, 100 Mbps, 1 Gbps, and 10 Gbps IEEE 802.3 Ethernet
    Memory
    4 GB DRAM
    Options
    Available as low queue, base, or extended line card.
    Physical Dimensions (H x W x D)
    14 x 1.72 x 20.5 in (35.56 x 4.37 x 52.07 cm)
    Card Weight Range
    14 to 19 lb (6.35 to 8.62 kg)
    Power Consumption
    Maximum 350 W to 630 W (depending on card type); typical 310 W to 565 W (depending on card type)
    Operating Temperature (Nominal)
    41 to 104 °F (5 to 40 °C)
    Operating Temperature (Short-Term)
    23 to 131 °F (-5 to 55 °C)
    Operating Humidity (Relative)
    10 to 85 %
    Storage Temperature
    -40 to 158 °F (-40 to 70 °C)
    Storage Humidity (Relative)
    5 to 95 % (not to exceed 0.024 kg water per 1 kg of dry air)
    Operating Altitude
    -60 to 4000 m (up to 2000 m conforms to IEC, EN, UL, and CSA 60950 requirements)
    NEBS Compliance
    Designed to meet SR-3580 NEBS Level 3, GR-1089-CORE NEBS EMC and Safety, GR-63-CORE NEBS Physical Protection, and VZ.TPR.9205 Verizon TEEER.
    ETSI Standards
    Designed to meet EN 300 386 (Telecommunications Network Equipment EMC), ETSI 300 019 Storage Class 1.1, Transportation Class 2.3, Stationary Use Class 3.1, EN 55022 (ITE Emissions), EN 55024 (ITE Immunity), and EN 50082-1 / EN 61000-6-1 Generic Immunity Standard.
    EMC Standards
    Designed to meet FCC Class A, ICES 003 Class A, AS/NZS 3548 Class A, CISPR 22 (EN 55022) Class A, VCCI Class A, BSMI Class A, IEC/EN 61000-3-2 Power Line Harmonics, IEC/EN 61000-3-3 Voltage Fluctuations and Flicker, and EN 50121-4 Railway EMC.
    Immunity Standards
    Designed to meet IEC/EN 61000-4-2 ESD (8 kV contact, 15 kV air), IEC/EN 61000-4-3 Radiated Immunity (10 V/m), IEC/EN 61000-4-4 EFT (2 kV power, 1 kV signal), IEC/EN 61000-4-5 Surge AC Port (4 kV CM, 2 kV DM), IEC/EN 61000-4-5 Surge Signal Ports (1 kV), IEC/EN 61000-4-5 Surge DC Port (1 kV), IEC/EN 61000-4-6 Conducted Disturbances (10 Vrms), IEC/EN 61000-4-8 Power Frequency Magnetic Field (30 A/m), IEC/EN 61000-4-11 Voltage dips and interruptions, and EN 50121-4 Railway EMC.
    Safety Standards
    Designed to meet UL/CSA/IEC/EN 60950-1, IEC/EN 60825 Laser Safety, ACA TS001, AS/NZS 60950, and FDA Code of Federal Regulations Laser Safety.
    Weight
    kg

    Get more information

    Discover unbeatable prices and fast shipping for the A9K-4T-L . Access the detailed A9K-4T-L datasheet and ensure you're getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via live chat or email us at [email protected].

    Quality Certifications

    Need Help? Technical Experts Available Now.

    • +1-626-655-0998 (USA)
      UTC 15:00-00:00
    • +852-2592-5389 (HK)
      UTC 00:00-09:00
    • +852-2592-5411 (HK)
      UTC 06:00-15:00
    Need Help? Technical Experts Available Now.
    Q&A

    Questions & Answers

    Are there alternative products to the Cisco A9K-4T-L Line Card?

    Alternatives include other ASR 9000 Line Cards such as A9K-4T-HIGHRATE or A9K-MOD160.

    What accessories are available for the Cisco A9K-4T-L Line Card?

    Accessories include XFP transceivers and compatible power supplies for the Cisco ASR 9000 Router.

    How does the Cisco A9K-4T-L Line Card compare to similar products?

    The Cisco A9K-4T-L Line Card provides competitive performance for its price, featuring 4-port 10GE connectivity with low queue capabilities.

    Is router-switch.com a reliable distributor?

    Absolutely. As a multi-brand authorized distributor, router-switch.com is directly certified by leading technology manufacturers. We guarantee 100% genuine products, competitive pricing, and full manufacturer warranties and support.

    Warranty
    • Your Trusted Global ICT Partner

      Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
      Global warehousing
      Global warehousing
      10+ hubs positioned for fast international dispatch and stable availability.
      Seamless cross-border
      Seamless cross-border
      QC-verified packing and predictable delivery via FedEx, DHL, UPS.
      Your Trusted Global ICT Partner
    • ICT Tools Hub for Confident Monitoring

      ICT Tools Hub for Confident Monitoring

      Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
      EOL/EOSL Checker
      Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
      Request VIP Inventory Portal Access
      Connect via live chat for VIP access to real-time inventory on priority SKUs.
    • Certified Experts Across Leading Vendors

      Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
      Multi-vendor engineering
      Multi-vendor engineering
      Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
      Deployment-ready guidance
      Deployment-ready guidance
      Faster, safer rollouts with project-focused engineering guidance.
      Certified Experts Across Leading Vendors

    The Choice of 21,500 +Global Customers

    • Ford
    • Disney
    • Nestle
    • Toyota
    • Walmart
    • Philips
    • Ups
    • Huatt
    • Hsbc
    • Novartis
    • Siemens Healthineers
    • Bt
    • Reference Johnson
    • T
    • Att
    • Lgu
    • Sk Telecom
    • Veerizon
    Industry-Leading Warranty Coverage You Can Trust
    • 100% Low Price Guarantee
      100% Low Price Guarantee
      Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
    • 100% Quality Assurance
      100% Quality Assurance
      All items are brand new, original, and factory-sealed.
      Upon request, each unit can be fully tested and verified by a Cisco CCIE-certified engineer to ensure perfect working condition before shipment.
    • 100% Money-Back Guarantee
      100% Money-Back Guarantee
      If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
      Visit Return Policy page for more information.
    • Free Cisco CCIE Technical Support
      Our Cisco CCIE-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
    • Flexible & Secure Payment and Shipping
      Flexible & Secure Payment and Shipping
      We support multiple secure payment and logistics options, backed by industry-leading verification:
      • Pay by wire transfer.
      • Pay with your paypal.
      • Pay with your Visa credit card.
      • Pay with your Mastercard credit card.
      • Pay with your Discover Card.
      • Pay by American Express.
      More
      • mcafee-secure
      • verisign-secured
      • pci-dss
      • ssl-encryption
      Visit How to Pay page for more information
    Warranty Coverage & RMA Instructions
    • Extended, Worry-Free Warranty Coverage
      Extended, Worry-Free Warranty Coverage
      • Factory New Sealed Enterprise Hardware: 3 Years
      • Factory New Sealed Consumer Devices: 1 Year
      Visit Warranty Policy page for more information
    • How to Get Support
      How to Get Support
      If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
      Visit Contact Us page for more support options.

    Best-Fit Solutions for Your Network

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Expert-configured AI solution: Same power, 90% savings—multi-scenario flexibility with Dell/Huawei/Lenovo options.

    AI
    Beyond Bandwidth: The 100G+ Data Center Architecture

    Beyond Bandwidth: The 100G+ Data Center Architecture

    The must-have 100G foundation - AI-ready growth, zero-latency performance

    Data Center
    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    High-Profit data center switches from Cisco, Huawei, Mellanox & Juniper.

    Ethernet Switch
    Download
    Model Datasheet

    Product Tags