Full English Description for Cisco 7604

1. Official Short Order Description (Datasheet Standard Format)

Cisco 7604: Cisco 7600 Series Mid-Tier 5RU Modular Service Provider Edge Router, universal 4-slot chassis compatible with full supervisor lineup including SUP2, SUP32, SUP720 / SUP720XL, dual redundant supervisor slots supporting 1+1 control-plane high availability, three horizontal OIR-capable line card slots for OSM optical transport, FlexWAN, SIP/SPA interface processors and service modules, integrated 320 Gbps distributed nonblocking backplane fabric architecture, single hot-swappable fan tray with optional high-speed variant, dual hot-swappable load-sharing AC/-48VDC/HVDC redundant power supplies, runs 64-bit Cisco IOS 12.2S / 15S service provider software stack. This EOL/EOS platform delivers MPLS L3VPN/EVPN/VPLS PE aggregation, SONET/ATM legacy optical WAN convergence, broadband BRAS multi-subscriber termination, hardware H-QoS, integrated IPsec crypto acceleration and metro Ethernet carrier services for medium ISP POP core, large enterprise metro WAN core, regional FTTx aggregation and 5G mobile xHaul edge migration deploymentsCisco.

2. Complete Detailed Product Overview

Product Line Positioning

Cisco 7604 is the mid-size universal modular chassis within Cisco’s classic 7600 multi-service edge router portfolio, positioned above compact 4RU 7603 and below large 7606/7609/7613 chassis. Unlike the limited original 7603 baseline chassis, the 7604 supports the full range of supervisor engines including flagship distributed-fabric SUP720 series, enabling distributed per-line-card packet forwarding and terabit-class service throughput. Designed for medium service provider central offices and large enterprise core sites, it unifies Layer 3 routing, optical SONET/ATM trunk termination, broadband access aggregation and carrier-grade IP services in a space-efficient 5RU rack footprint. The platform reached End-of-Sale and End-of-Support; Cisco no longer releases security patches, bug fixes or genuine spare hardware, superseded by ASR 1000 and ASR 9000 modern carrier router families.

Modular FRU Slot Architecture (Core Hardware Advantages vs Cisco 7603)

Dual Hot-Swap Supervisor Engine Slots (1+1 Redundancy Support)

Two rear OIR-capable supervisor bays supporting all generations of 7600 supervisors, fully backward compatible:

SUP2: PFC2 + MSFC2 centralized forwarding, max 15 Mpps packet rate
SUP32: Onboard 8×GE or 2×10GE uplinks, integrated crypto for IPsec, centralized forwarding up to 30 Mpps
SUP720 / SUP720-3BXL: Integrated crossbar distributed fabric, PFC3BXL policy feature card, distributed line-rate forwarding up to 144 Mpps total system throughput, native large-scale BRAS and CGNAT offload

Dual supervisors enable SSO, NSF and hitless ISSU zero-downtime firmware upgrades without traffic outage. The integrated crossbar fabric on SUP720 eliminates the shared backplane oversubscription limitation of SUP2/SUP32 deployments.

Three Horizontal Hot-Swap Line Card Slots (OIR Supported)

All three front-facing line card slots support Online Insertion and Removal for live module replacement without chassis power cycle, fully compatible with the complete 7600 interface module portfolio for multi-media converged transport:

Optical Service Modules (OSM): OC-3 / OC-12 / OC-48 POS/ATM SONET/SDH long-haul trunk line cards
FlexWAN Modules: Adopt Cisco 7200-series Port Adapters for T1/E1, T3/E3, Frame Relay and ISDN voice trunk access
SPA Interface Processors (SIP-200/400): Host pluggable SPAs for dense Gigabit/10GE/40GE copper/fiber metro uplinks
Service Modules: NAM traffic analysis, VPN acceleration modules, broadband BRAS subscriber line cards

Every line card integrates distributed PXF packet processors for hardware-offloaded L2/L3 forwarding, ACL filtering, MPLS label switching and hierarchical QoS at full line rate. Unused slots require blank filler panels for airflow and EMI compliance.

Integrated Fixed Management I/O (Hosted on Supervisor)

All out-of-band management ports reside on each supervisor engine:

RJ45 RS232 Console port for local terminal CLI configuration
RJ45 Auxiliary port for external dial-up modem remote maintenance
Dedicated 10/100 Fast Ethernet out-of-band management port for redundant remote monitoring
Dual PCMCIA flash card slots for IOS image storage, running-config archives and system logging; SUP720 variants add Compact Flash support for larger capacity storage.

Hot-Swap Cooling & Redundant Power Subsystem

Single hot-swappable standard FAN-MOD-3 fan tray (side-to-side airflow); optional high-speed FAN-MOD-3SHS for elevated ambient temperature central office environments, compliant with NEBS Level 3 standards
Dual rear power supply bays supporting interchangeable wide-range AC (90–264VAC), -48VDC telecom DC or HVDC power units (950W / 1400W / 1500W ratings). Single supply standalone operation, dual supplies enable N+1 load-sharing redundant power protection; mixed AC/DC power modules are unsupported.

Processor, Memory & Storage

Supervisor Memory Scaling By Model
- SUP2: Base 256MB DRAM, max 512MB ECC DRAM; 128MB onboard boot flash
- SUP32: Base 512MB DRAM, upgradable to 1GB ECC DRAM; 256MB boot flash
- SUP720-3BXL: Base 1GB DRAM, expandable to 2GB ECC DRAM for large-scale BGP route reflectors and millions of BRAS subscriber sessions
Supported Storage Media
- Onboard boot flash for bootstrap firmware initialization
- PCMCIA Type II flash slots (all supervisors) for IOS binaries and configuration archives
- Compact Flash native support exclusive to SUP720 series for high-capacity image storage

Power, Mechanical & Environmental Specifications

Form Factor: Standard 5RU 19-inch four-post carrier central office rack-mount chassis
Physical Dimensions: 222.23mm H × 444.5mm W × 552.45mm D (8.75 × 17.5 × 21.75 inches)
Full-load weight: ~36.3kg (80 lbs) with dual supervisors, three fully populated line cards and dual power supplies installed
AC Power Input: 90–264 VAC wide range, 50/60Hz, maximum 1400W single supply output
DC Power Input: -24V ~ -60VDC telecom standard, maximum 1500W single supply output
Operating Temperature: 0°C ~ +40°C continuous indoor central office / data center environment; high-speed fan tray extends tolerance to 45°C
Storage Temperature: -40°C ~ +70°C
Humidity: 10%–90% RH non-condensing
Compliance: UL 62368-1, IEC/EN 60950-1, NEBS GR-1089 / GR-63 Level 3, FCC Class A, CE telecom safety certification

Official Performance Benchmarks

Total distributed nonblocking backplane fabric capacity: 320 Gbps full-duplex with SUP720 crossbar architecture
Maximum packet forwarding rate: Up to 144 Mpps billion packets per second with SUP720-3BXL supervisors
System-wide hardware-accelerated IPsec/MACsec crypto throughput: Up to 24 Gbps with SUP720 integrated crypto or dedicated VPN modules
Maximum concurrent EVPN/VPLS L2VPN service instances: Up to 10,000 with 2GB SUP memory
Total simultaneous ATM/Frame Relay PVCs: Up to 32,000 with fully populated OSM/FlexWAN line cards
Native hardware offload capabilities: Layer 2 switching, MPLS label switching, CBWFQ/LLQ low-latency queuing, WRED congestion avoidance, multi-layer ACL security filtering, uRPF anti-spoofing, large-scale CGNAT address translation

Software & Core Supported Capabilities (64-bit Modular Cisco IOS 12.2S / 15S)

Full Multi-Protocol Routing Suite

IPv4/IPv6 dual-stack forwarding, RIP, EIGRP, OSPF, IS-IS, BGP-4, VRRP/HSRP gateway redundancy, complete MPLS feature stack including L3VPN, EVPN, VPLS, EoMPLS and HVPLS for multi-tenant service provider PE deployments.
Legacy Optical WAN Convergence Stack

Native POS/ATM SONET/SDH, Frame Relay, HDLC, PPP/MLPPP, TDM over IP pseudowires for migrating legacy circuit-switched carrier transport infrastructure.
Broadband FTTx BRAS Aggregation Functions

DSL/cable PON subscriber termination via PPPoE/PPPoA, large-scale CGNAT, per-subscriber hierarchical QoS scheduling, RADIUS subscriber authentication and accounting.
Unified Carrier-Grade Security Suite

Hardware-accelerated IPsec DES/3DES/AES encryption, multi-layer stateful ACL filtering, zone-based firewall, AAA RADIUS/TACACS+, SSH encrypted remote management, hardware secure boot root of trust on SUP720 supervisors.
Hierarchical H-QoS & Traffic Analytics

Class-Based Weighted Fair Queuing (CBWFQ), Low Latency Queuing (LLQ) for voice/video/xHaul transport, WRED congestion control, IP SLA performance monitoring, NetFlow v5/v9 streaming telemetry for bandwidth planning and subscriber billing statistics.
Network Management & Automation

SNMP v1/v2c/v3, IOS CLI scripting, DHCP auto-install zero-touch deployment, TFTP configuration backup, full compatibility with CiscoWorks and NSO centralized network management platforms.

Typical Deployment Scenarios

Medium independent service provider POP multi-tenant MPLS core aggregation routers, nationwide regional 4G/5G xHaul transport master hubs, medium-density FTTx DSL/cable broadband BRAS concentrators, large enterprise headquarters metro WAN core convergence gateways, legacy SONET/ATM optical network migration edge routers, colocation rack-dense carrier edge devices for telecom infrastructure modernization upgrade projects.

Critical Note: This platform reached End-of-Sale and End-of-Support; Cisco no longer provides official security patches, bug fixes, TAC technical support or genuine spare hardware replacement parts.

3. E-commerce Short Marketing Description

Cisco 7604 Mid-Tier 5RU Universal Modular Service Provider Edge Router, 320 Gbps distributed nonblocking backplane fabric, full compatibility with SUP2/SUP32/SUP720 series redundant supervisors, three OIR hot-swappable line card slots supporting OSM optical, FlexWAN and SIP-SPA high-density fiber interface modules, integrated GPS/BITS synchronous timing support for 5G xHaul, dual hot-swappable AC/-48VDC/HVDC load-sharing redundant power supplies and single OIR hot-swap fan tray (optional high-speed variant), runs 64-bit Cisco IOS 12.2S/15S service provider software supporting MPLS EVPN, broadband BRAS multi-subscriber aggregation, hardware IPsec crypto acceleration and hierarchical H-QoS, legacy EOL platform for medium ISP POP core, regional 5G transport hub and medium-scale metro Ethernet carrier edge deployments.

4. Product Catalog Keyword Tags

Cisco, 7604, Cisco 7600 Series, 5RU Mid-Tier Universal Modular Service Provider Edge Router, 320 Gbps Distributed Nonblocking Backplane Fabric, Full SUP2/SUP32/SUP720 Supervisor Compatibility, Three OIR Hot-Swap High-Speed Line Card Slots, OSM Optical / FlexWAN / SIP-SPA Multi-Rate Interface Support, NEBS Level 3 Certified, Dual Redundant AC/DC/HVDC Hot-Swap Power Supplies, Single OIR Hot-Swap Fan Tray with High-Speed Option, Up to 144 Mpps Distributed Packet Forwarding Rate, Integrated Hardware IPsec/MACsec Acceleration, 64-bit Cisco IOS 12.2S / 15S Software, MPLS Provider Edge Router, SONET/ATM Optical WAN Convergence, FTTx Broadband L2TP BRAS Aggregation Gateway, 4G/5G Regional xHaul Mobile Transport Hub, Medium Service Provider POP Core Router, End-of-Sale / End-of-Support Legacy Carrier Platform

Naming Rule Explanation

7600: Cisco classic modular multi-service carrier edge router series integrating Layer 3 routing and optical SONET/ATM transport termination
7604: Universal mid-tier 5RU four-slot chassis form factor (2 supervisor slots + 3 line card slots), distinguished from smaller 7603 and larger 7606/7609/7613 chassis
No "-S" suffix: Standard baseline universal chassis compatible with all supervisor generations, featuring distributed crossbar fabric support exclusive to SUP720 series, superior throughput and I/O scalability compared to the limited original 7603 baseline chassis


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