A9K-8T-B, Cisco ASR 9000 Line Card, 8x10GE ports/XFP slots/No fan & PSU

  • Brand: Cisco
  • Model: A9K-8T-B
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    Overview
    End-of-Life Notice
    End-of-Life Notice
    A9K-8T-B is officially EOL. Service support ends on 2019-09-30.
    For full lifecycle details, see A9K-8T-B EOL.
    Recommended Replacement
    Recommended Replacement
    Official replacement model. Aligned with current deployment environments.

    Cisco A9K-8T-B Overview

    The Cisco A9K-8T-B is a carrier-grade ASR 9000 8-port 10GE line card designed for high-performance edge and aggregation routing. It delivers 96,000–192,000 hardware queues, 64,000–128,000 policers, and 16,000 Ethernet Flow Points (EFPs) to support dense L2VPN and L3VPN services. Powered by Cisco IOS XR Software with modular architecture, it provides advanced OS infrastructure protection, process restart, and state checkpointing for always-on service in large service provider and metro networks.

    Product Highlights

    192,000
    Total Queues
    128,000
    Policers
    16,000
    EFP Scale

    Product Applications Scenarios

    Service Providers
    The A9K-8T-B aggregates high-density 10GE links with rich L2VPN and L3VPN, enabling carriers to scale triple-play and mobile backhaul while maintaining SLAs and reducing churn.
    Data Center
    Deployed as a 10GE edge line card, it terminates VXLAN-free L2/L3 services, supports QoS-rich queues, and improves east-west throughput for multi-tenant data centers.
    Enterprise Network
    Large enterprises use the A9K-8T-B as a WAN aggregation line card, consolidating high-bandwidth branches with MPLS VPN, reducing link costs and simplifying backbone design.

    Product Features Comparison

      Cisco A9K-8T-B, Cisco ASR 9000 Line Card, 8×10GE ports/XFP slots/No fan & PSU Cisco A9K-4T-L, Cisco ASR 9000 Line Card, 4×10GE XFP/Low Queue/No XFP Cisco A9K-2T20GE-E, Cisco ASR 9000 Line Card, 2×10GE/20×GE/Req. XFPs & SFPs Cisco A9K-8T-E, Cisco ASR 9000 Line Card, 8×10GE/Extended/Requires XFPs
    Model A9K-8T-B, Cisco ASR 9000 Line Card, 8×10GE ports/XFP slots/No fan & PSU A9K-4T-L, Cisco ASR 9000 Line Card, 4×10GE XFP/Low Queue/No XFP A9K-2T20GE-E, Cisco ASR 9000 Line Card, 2×10GE/20×GE/Req. XFPs & SFPs A9K-8T-E, Cisco ASR 9000 Line Card, 8×10GE/Extended/Requires XFPs
    Brand Cisco Cisco Cisco Cisco
    Module Type n/a A9K-4T-L A9K-2T20GE-E A9K-8T-E
    Port Configuration 8-Port 10GE Medium Queue Line Card, requires XFPs 4-Port 10GE Low Queue Line Card, requires XFPs 2-Port 10GE, 20-Port GE High Queue Combo Line Card, requires XFPs for 10GE, SFPs for GE 8-Port 10GE High Queue Line Card, requires XFPs
    Supported Speed 10 Mbps, 100 Mbps, 1 Gbps, and 10 Gbps IEEE 802.3 Ethernet 10 Mbps, 100 Mbps, 1 Gbps, and 10 Gbps IEEE 802.3 Ethernet 10 Mbps, 100 Mbps, 1 Gbps, and 10 Gbps IEEE 802.3 Ethernet 10 Mbps, 100 Mbps, 1 Gbps, and 10 Gbps IEEE 802.3 Ethernet
    Compatible Platform n/a n/a n/a n/a
    Installation Type n/a n/a n/a n/a

    Optional Add-ons

    Model Number Description
    A9K-4T-L Cisco ASR 9000 4-Port 10GE Low Queue Line Card, XFP-based, complementary to A9K-8T-B deployments.
    A9K-2T20GE-E Cisco ASR 9000 2×10GE + 20×GE High Queue Combo Line Card for mixed 10GE/GE service expansion.
    A9K-RSP440-SE Cisco ASR 9000 Route Switch Processor with 440G/slot fabric and 12GB DRAM for control-plane and fabric redundancy.
    A9K-DC-PEM-V2 Cisco ASR 9000 DC Power Entry Module V2 providing -48V DC power input and high-capacity power delivery.

    Quality Certifications

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

    Cisco A9K-8T-B Specification

    Model
    A9K-8T-B
    Brand
    Cisco
    Part Number
    A9K-8T-B
    Product Description
    8-Port 10GE Medium Queue Line Card, requires XFPs
    Total Queues
    96,000 – 192,000
    Policers
    64,000 – 128,000
    Ethernet Flow Points (EFPs)
    16,000
    Cisco IOS XR Software Support - Modular Software Design
    Cisco IOS XR Software with modular design delivers routing scalability, high availability, service isolation, and strong manageability for next-generation carrier networks.
    Cisco IOS XR Software Support - OS Infrastructure Protection
    Microkernel architecture keeps critical functions such as memory management and thread distribution in the kernel and moves other functions outside, helping avoid widespread disruption from application or driver failures.
    Cisco IOS XR Software Support - Process and Thread Protection
    Each process and thread runs in its own protected memory space; inter-process communication uses secure, version-controlled APIs to limit the impact of any single process failure.
    Cisco IOS XR Software Support - Process Restart
    Supports manual or automatic restart of critical control-plane processes without rebooting the operating system, reducing traffic disruption and improving service continuity.
    Cisco IOS XR Software Support - State Checkpointing
    Maintains memory and critical operating state across process restarts so routing adjacencies and signaling states are preserved during RSP switchover.
    Flexible Ethernet Services - EVCs
    Ethernet virtual connections (EVCs) per service or end user; can be used with MPLS-based L2VPNs and native Ethernet switching.
    Flexible Ethernet Services - VLAN Classification
    Single-tagged VLANs, double-tagged VLANs (QinQ and IEEE 802.1ad), contiguous VLAN ranges, and noncontiguous VLAN lists mapped into EFPs.
    Flexible Ethernet Services - IEEE Bridging
    Native bridging based on IEEE 802.1Q, IEEE 802.1ad, IEEE 802.1ah, and QinQ VLAN encapsulation.
    Flexible Ethernet Services - IEEE 802.1s MST
    Multiple Spanning Tree (MST) extends IEEE 802.1w Rapid STP to multiple spanning trees for fast convergence and load balancing.
    Flexible Ethernet Services - MST Access Gateway
    Provides fast-convergence, resilient aggregation and connectivity for Ethernet-based access rings.
    L2VPN Services - VPLS
    Virtual Private LAN Services support multipoint Ethernet VPN over IP/MPLS, presenting a single Ethernet interface and LAN-like service across locations.
    L2VPN Services - HVPLS
    Hierarchical VPLS with QinQ access and Ethernet over MPLS pseudowire access for scalable edge aggregation.
    L2VPN Services - VPWS (EoMPLS)
    Virtual Private Wire Service using Ethernet over MPLS (EoMPLS) pseudowires for EFP-based or port-based point-to-point Ethernet transport.
    L2VPN Services - Pseudowire Redundancy
    Backup pseudowire definition to protect a primary pseudowire upon failure.
    L2VPN Services - ITU-T G.8032
    Sub-50 ms protection for Ethernet ring topologies, compliant with ITU-T G.8032 version 2 on Cisco ASR 9000 Series.
    L2VPN Services - Multisegment Pseudowire Stitching
    Interworks two pseudowires into a cross-connect for multisegment services.
    Multicast - IPv4 Multicast Protocols
    Supports IGMPv2/v3, PIM-SSM, PIM-SM, PIM SSM Mapping, MSDP, Multicast VPN, and Anycast RP.
    Multicast - IGMP Snooping
    IGMPv2/v3 snooping at VLAN or pseudowire level with summarized upstream joins for efficient multicast delivery in L2VPN and broadband deployments.
    OA&M - Ethernet OAM IEEE 802.3ah
    Link-layer OAM for monitoring physical link health, fault isolation, and fast failure detection together with IEEE 802.1ag.
    OA&M - Ethernet OAM IEEE 802.1ag
    Ethernet Connectivity Fault Management (E-CFM) for discovery and verification of paths through IEEE 802.1 bridges and LANs.
    OA&M - ITU-T Y.1731
    Fault Management and Performance Monitoring to verify Ethernet networks and measure delay, latency, and loss for SLA assurance.
    OA&M - Ethernet LMI (E-LMI)
    Protocol between CE and PE over UNI to report Ethernet service connectivity and configuration status on the CE port.
    OA&M - MPLS OAM
    Supports LSP ping, LSP traceroute, and VCCV for MPLS OAM.
    Layer 3 Routing - IPv4
    Supports BGP, IS-IS, OSPF, RIP, static routing, IPv4 Multicast, Routing Policy Language (RPL), HSRP, and VRRP.
    Layer 3 Routing - IPv6
    Supports OSPFv3, IS-IS for IPv6, VRRPv6, DHCPv6 relay, and IPv6 static routing.
    Layer 3 Routing - BGP PIC
    BGP Prefix Independent Convergence (PIC) for fast convergence of BGP routes using Cisco IOS XR innovations.
    MPLS L3VPN - IP VPN
    Scalable IPv4 Layer 3 MPLS VPN backbone services for applications, data hosting, e-commerce, and voice services.
    MPLS L3VPN - Carrier Supporting Carrier (CSC)
    Allows an MPLS VPN provider to connect remote sites over another provider backbone while keeping customer VPN address spaces private, per RFC 4364.
    MPLS L3VPN - Selective VRF Download
    Downloads VRF FIB entries only to line cards participating in each VRF, increasing system FIB scale and optimizing memory usage.
    MPLS L3VPN - 6PE and 6VPE
    Enables scalable IPv6 introduction from the edge over an IPv4/MPLS backbone without IPv6 restrictions or impact on the existing IPv4 core.
    MPLS Traffic Engineering
    Supports TE-FRR, RSVP, LDP, and targeted LDP (T-LDP) for MPLS TE.
    MPLS TE - Preferred Path
    Maps pseudowires and attachment circuits to specific MPLS TE tunnels instead of remote PE IP addresses.
    MPLS TE - Auto-Bandwidth
    Automatically adjusts TE tunnel bandwidth based on measured traffic load.
    MPLS TE - Point-to-Multipoint (P2MP)
    Supports P2MP MPLS TE to forward traffic from one source to multiple destinations with explicit path control and FRR protection for sub-LSPs.
    High Availability - MPLS TE-FRR
    Provides fast Layer 3 protection switching with temporary rerouting around failed links, nodes, or paths in MPLS LSP networks.
    High Availability - BFD
    Bidirectional Forwarding Detection offers rapid forwarding-path failure detection across media, encapsulations, topologies, and routing protocols.
    High Availability - 802.3ad Link Aggregation
    Supports link aggregation bundles for higher resiliency and load balancing across multiple member links.
    High Availability - MC-LAG
    Multichassis Link Aggregation Group offers 802.3ad bundles across dual ASR 9000 routers that appear as one device, enabling fast restoration for L2VPN, L3VPN, residential backhaul, mobile aggregation, and edge services.
    Manageability - Cisco IOS XR
    Provides modular CLI, SNMP, CDP, LLDP, and native XML interfaces for standards-based management.
    Manageability - Smart Call Home
    Proactive support that detects and reports issues early to reduce troubleshooting time and speed up resolution.
    Manageability - Cisco ANA
    Cisco Active Network Abstraction offers a vendor-neutral framework that discovers network components, tracks their status in near real time, and simplifies OSS integration and resource management.
    Security - Cisco IOS XR Features
    Includes ACLs, control-plane protection, routing authentication, AAA, TACACS+, SSH, SNMPv3, and RPL-based policy control.
    Security - Layer 2 ACLs
    MAC-based packet filtering under EVCs at Layer 2.
    Security - Layer 3 ACLs
    IPv4 ACL matching by packet attributes for traffic control and protection.
    Security - L2 Control and Storm Control
    802.1ad L2CP and BPDU filtering, MAC limiting per EFP or bridge domain, and unicast/multicast/broadcast storm control on any interface or port.
    Security - Additional Features
    Unknown Unicast Flood Blocking (UUFB), DHCP snooping, URPF, control-plane security, Dynamic ARP Inspection (DAI), and IP Source Guard (IPSG).
    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 × W × D)
    14 × 1.72 × 20.5 in (35.56 × 4.37 × 52.07 cm)
    Typical/Maximum Power
    Typical 310 W – 565 W; maximum 350 W – 630 W (depending on card type)
    Operating Temperature (Nominal)
    5 to 40 °C (41 to 104 °F)
    Operating Temperature (Short-Term)
    -5 to 55 °C (23 to 131 °F)
    Operating Humidity (Relative)
    10 to 85 %
    Storage Temperature
    -40 to 70 °C (-40 to 158 °F)
    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 meets IEC, EN, UL, and CSA 60950)
    NEBS Compliance
    Designed to meet SR-3580 NEBS Level 3, GR-1089-CORE EMC and Safety, GR-63-CORE Physical Protection, and VZ.TPR.9205 Verizon TEEER.
    ETSI Standards
    Designed to meet EN 300 386, ETSI 300 019 Storage Class 1.1, Transportation Class 2.3, Stationary Use Class 3.1, EN 55022 (emissions), EN 55024 (immunity), and EN 50082-1/EN 61000-6-1 generic immunity.
    EMC Standards
    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), EN 50121-4 Railway EMC.
    Immunity Standards
    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), signal ports (1 kV), surge DC port (1 kV), IEC/EN 61000-4-6 conducted immunity (10 Vrms), IEC/EN 61000-4-8 power frequency magnetic field (30 A/m), IEC/EN 61000-4-11 voltage dips, interruptions, and variations, EN 50121-4 Railway EMC.
    Safety Standards
    UL/CSA/IEC/EN 60950-1, IEC/EN 60825 laser safety, ACA TS001, AS/NZS 60950, and FDA CFR laser safety.
    Weight
    kg

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    Q&A

    Questions & Answers

    What accessories are available for the Cisco A9K-8T-B Line Card?

    Accessories include compatible XFPs, spare power supplies, and rack mounting kits to enhance installation and performance.

    How does the Cisco A9K-8T-B Line Card compare with other similar products?

    Compared to similar products, the A9K-8T-B offers superior performance, scalability, and robustness, catering specifically to high-demand service provider networks.

    What are XFPs and why are they needed for the A9K-8T-B Line Card?

    XFPs are optical transceivers that provide the physical layer connectivity for the A9K-8T-B's 10GE ports, necessary for proper operation.

    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.

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