Cisco WS-X6K-SUP2TXL Full Official Product Description
1. Part Number & Naming Definition
Official Full Name
Cisco Catalyst 6500 E-Series Supervisor Engine 2TXL (Official PID: VS-S2T-10G-XL, commonly named WS-X6K-SUP2TXL in secondary market)
SKU:WS-X6K-SUP2TXL (VS-S2T-10G-XL)
Naming Breakdown
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WS-X6K: Catalyst 6500 modular switch chassis platform
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SUP2T: Supervisor Engine 2T equipped with integrated 2 Terabit crossbar switching fabric
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XL: Equipped with enhancedPFC4XL (Policy Feature Card 4XL)for extended hardware forwarding table capacity, paired with MSFC5 multilayer route processor
Core Product Positioning
The Cisco WS-X6K-SUP2TXL Supervisor Engine 2TXL is the highest-scalability supervisor module for Catalyst 6500 E-Series chassis. Built on 2 Tbps non-blocking crossbar fabric delivering 80 Gbps dedicated full-duplex bandwidth per slot. PFC4XL provides drastically enlarged routing and ACL table capacity compared with standard SUP2T. It supports hardware acceleration for L2/L3 switching, IPv4/IPv6, MPLS, Cisco TrustSec and VSS (Virtual Switching System). Targeted for large-scale enterprise campus core, high-density data center aggregation, carrier-grade metro Ethernet and IP/MPLS edge deployments. It maintains broad backward compatibility with legacy Catalyst 6500 line cards while unlocking maximum forwarding table scale for large routing tables.
2. Hardware Compatibility
Supported Chassis
Catalyst 6503-E, 6504-E, 6506-E, 6509-E, 6509-V-E, 6513-E, Catalyst 6807-XL
Supported Line Cards
All Catalyst 6500 E-Series fabric-enabled line cards; compatible with legacy shared-bus line cards. Optimized to operate with DFC4XL distributed forwarding daughter cards to activate full XL-mode table capacity.
Note: Mixed deployment of DFC4 and DFC4XL line cards will downgrade PFC4XL to standard PFC4 operation.
Redundancy & Virtualization
Supports 1+1 redundant supervisor deployment; supports VSS Virtual Switching System to virtualize two physical chassis as one logical switch. Supports SSO, NSF/GR and ISSU for hitless in-service software upgrades.
Supported Operating System
Cisco IOS 15.1SY and later native IOS images;CatOS is not supported.
Unsupported Platforms
Non-E Catalyst 6500 chassis, Catalyst 4500, Cisco 7600, Nexus switching families
3. Physical & Performance Specifications
Form Factor
Hot-swappable supervisor engine supporting OIR (Online Insertion and Removal)
Front Panel Interfaces
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2 × X2 ports for 10 Gigabit Ethernet uplinks
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3 × SFP ports for 1 Gigabit Ethernet uplinks
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1 × RJ45 RS-232 Console management port
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1 × 10/100/1000BASE-T out-of-band management port
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Compact Flash storage slot, Type A USB interface
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LED array for system status, fabric health and port link indicators
Switching & Forwarding Capacity
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Integrated crossbar fabric capacity: 2 Tbps per chassis; aggregate capacity up to 4 Tbps under VSS
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Per-slot bandwidth: 80 Gbps full-duplex for fabric-enabled slots
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Centralized L2 / IPv4 forwarding throughput: 720 Mpps
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Hardware IPv6 forwarding throughput: 360 Mpps
Extended Forwarding Table Scale (PFC4XL Mode)
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MAC address table: 128,000 entries
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IPv4 Unicast / MPLS FIB entries: Up to1,007,000
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IPv6 Unicast FIB entries: Up to 503,000
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Combined IPv4/IPv6 multicast forwarding entries: 256,000
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Hardware Flexible NetFlow cache entries: 1,024,000
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Shared hardware ACL & QoS TCAM entries: 256,000
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Support for 16,000 bridge domains to extend virtual segmentation beyond 4094 standard VLANs
Onboard Hardware
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MSFC5 multi-core route processor
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Standard 4 GB SDRAM
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Storage expandable via Compact Flash and USB
Environmental Operating Parameters
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Operating Temperature: 0°C ~ 40°C (32°F ~ 104°F)
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Storage Temperature: -40°C ~ 70°C (-40°F ~ 158°F)
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Relative Humidity: 10% – 90%, non-condensing
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Maximum operating altitude: 3,000 meters (9,842 ft)
Typical Power Consumption
4. Supported Functional Capabilities
Layer 2 Switching Features
802.1Q VLAN trunking, STP/RSTP/MSTP, LACP, VTP, IGMP Snooping, MLD Snooping, SPAN/RSPAN/ERSPAN, jumbo frame support, VSS inter-chassis link
Layer 3 & MPLS Routing
IPv4/IPv6 static routing, OSPF, EIGRP, BGP, IS-IS, PIM-SM/SSM, HSRP/VRRP, VRF-Lite, MPLS, L3VPN, VPLS, hardware GRE tunneling, uRPF
Advanced Security
Cisco TrustSec, MACsec link encryption, 802.1X authentication, DHCP Snooping, Dynamic ARP Inspection, Port Security, hardware ACL filtering, control-plane policing
Traffic Visibility
Flexible NetFlow v9, sampled NetFlow for traffic analytics, billing and security monitoring
QoS Mechanisms
8 hardware queues per port, multi-layer traffic classification, hierarchical policing, traffic shaping, WRED, DSCP / 802.1p marking
High Availability Mechanisms
OIR, SSO Stateful Switchover, NSF, Graceful Restart, ISSU, VSS chassis virtualization, environmental monitoring, redundant supervisor failover
Operations & Management
SNMP v1/v2c/v3, Syslog, NTP, RMON, CLI console, DCNM centralized management, real-time port statistics and error counters
5. Typical Deployment Scenarios
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Large enterprise campus core and multi-building distribution switching requiring large IPv4 routing tables
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Large-scale data center aggregation layer with VSS chassis virtualization
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Service provider metro Ethernet aggregation and IP/MPLS edge routing nodes
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Converged voice, video and data unified large-scale enterprise networks
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Hardware upgrade & spare inventory maintenance for existing Catalyst 6500-E / 6807-XL legacy infrastructure
6. Regulatory & Compliance Certifications
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Safety Standards: UL 60950-1, IEC/EN 60950-1, CSA C22.2 No.60950-1
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EMC Compliance: CE Mark, FCC Part 15 Class A, ICES-003 Class A, VCCI Class A
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Environmental: RoHS 2.0 compliant, WEEE directive compliant
7. Standard Factory Package Contents
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Cisco WS-X6K-SUP2TXL Supervisor Engine 2TXL
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Hardware installation guide
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Safety and regulatory documentation
Note: X2 / SFP optical transceivers and Compact Flash media are sold separately.
End-of-Sale Status
The WS-X6K-SUP2TXL (VS-S2T-10G-XL) has reached Cisco End-of-Sale. Spare modules remain available via authorized spare distributors and secondary markets. Recommended migration: Modern Catalyst 9000 switching platforms.
UNSPSC Classification Code
43222619 – Cisco WS-X6K-SUP2TXL Supervisor Engine 2TXL for Catalyst 6500 E-Series and Catalyst 6807-XL switches, high-capacity 2T fabric supervisor equipped with extended-scale PFC4XL and MSFC5, supporting VSS, massive IPv4 routing tables, hardware IPv6 and TrustSec for large enterprise core, data center and service provider networks.
Hardware Warranty
Original Cisco factory hardware carries manufacturer limited warranty; refurbished hardware follows reseller commercial warranty terms.
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