Cisco ASR1004-SIP40 Full Official Product Description

1. Product Overview & SKU Definition

Official Full Name

SKU Breakdown

1. ASR1004: Mid-range modular aggregation router in 4 Rack Unit (4RU) form factor, supporting up to two SIP modules and 8 SPA expansion slots total.
2. SIP40: ASR1000-SIP40 SPA Interface Processor, each delivering non-oversubscribed 40 Gbps total throughput for its four SPA bays.
3. Core Positioning
   This combined platform delivers carrier-grade multi-service WAN aggregation for enterprise headquarters, regional branch hubs, internet gateways, and service provider PE routers, L2TP LAC/LNS broadband concentrators, and route reflectorsCisco. Dual SIP40 modules provide 80 Gbps aggregate SPA interface bandwidth, enabling flexible deployment of Ethernet, T1/E1 voice, serial, ATM, and leased-line SPAs.

2. Chassis Core Hardware Architecture

Mechanical & Physical Chassis Specs

• Form Factor: 4RU (177.8 mm / 7 in height), standard 19-inch rack mountable.
• Dimensions (H × W × D): 177.8 mm × 437.4 mm × 461 mm
• Fully Loaded Weight: Approximately 31.16 kg (68.7 lb)
• Chassis Slot Layout:
  1 × Route Processor (RP) slot (single RP with dual IOS XE software redundancy)
  1 × Embedded Services Processor (ESP) slot
  2 × SIP module slots (populated with dual ASR1000-SIP40)
  8 × SPA half-height subslots (4 per SIP40)
• Power Supply: Dual redundant AC or DC hot-swappable power supply options for power-layer high availability.
• Cooling System: Front-to-back forced airflow with redundant hot-swappable fan trays, mandatory blank filler panels for unused SPA subslots to maintain proper thermal dissipation.

Route Processor & Memory Specifications

• Supported RP Module: ASR1000-RP2 dual-core control processor
• Default System DRAM: 4GB shared memory for control plane, forwarding plane, and SIP interface processing
• Storage: 8GB internal solid-state flash memory for IOS XE boot images, configuration files, and logging; external USB 2.0 storage port for backup and image upgrades.
• Redundancy Mechanism: Single RP chassis with dual independent IOS XE control plane instances (software redundancy), supporting SSO stateful switchover and NSF non-stop forwarding without redundant physical RP hardwareCisco.

Embedded Services Processor (ESP)

• Aggregate System Throughput: Up to 120 Gbps wire-speed forwarding capacity
• Maximum Packet Forwarding Rate: Up to 90 Mpps (million packets per second)
• Hardware Acceleration Native to ESP: IPv4/IPv6 ACL filtering, NAT44/NAT64, IPsec VPN encryption/decryption, MPLS label switching, hierarchical QoS queuing, NetFlow traffic monitoring, multicast replication.

3. ASR1000-SIP40 SPA Interface Processor Key Specifications

1. Per-SIP40 Bandwidth Capacity: 40 Gbps non-oversubscribed aggregate throughput across four SPA subslots
2. SPA Subslot Layout Per SIP40: 4 independent half-height SPA bays
   Supported SPA combinations per SIP40:
   • 4 × half-height SPAs
   • 2 × full-height SPAs
   • Mixed: 1 full-height + 2 half-height SPAs
     Double-wide SPAs are not compatible with SIP40 modulesCisco.
3. OIR Hot-Swap Support: All SPAs and SIP40 modules support Online Insertion and Removal (OIR); modules can be replaced or upgraded without full chassis reboot or complete traffic downtime.
4. Distributed QoS & Clock Functions: Per-SPA ingress Layer2/Layer3 packet prioritization, SPA flow control, line clock signal distribution from a single reference SPA to the chassis RP.
5. SPA Compatibility Ecosystem: Fully interoperable with all Cisco ASR 1000 Series SPAs:
   • Ethernet SPAs: 1GE, 10GE copper/fiber SFP/SFP+
   • Voice TDM SPAs: SPA-VA8XT1/E1, SPA-VA12XT1/E1, SPA-VA24XT1/E1 channelized voice trunk adapters
   • Serial, T3/E3, ATM, POS leased-line SPAs
6. Minimum IOS XE Support: SIP40 module support introduced in Cisco IOS XE Release 3.2S and all subsequent software trains.

4. Performance & Scalability Metrics

• Aggregate SPA Interface Bandwidth (Dual SIP40): 80 Gbps total bidirectional throughput for all installed SPAs
• Concurrent Service Capacity: Wire-speed execution of multiple concurrent services (SD-WAN, MPLS VPN, IPsec, QoS, NAT, multicast) without control-plane CPU saturation
• Routing Table Scale: Supports up to 1,000,000 combined IPv4 and IPv6 unicast route entries
• Multicast Capacity: 64,000 multicast route entries, 1,000 concurrent multicast groups
• QoS Resources: Up to 128,000 hierarchical traffic queues, LLQ low-latency queuing for real-time voice, video, and UC media streams

5. Cisco IOS XE Operating System & Supported Network Services

Core OS Platform

Enterprise & Service Provider Feature Suite

1. WAN & SD-WAN: Cisco Viptela SD-WAN hybrid link aggregation, application-aware routing, centralized policy management
2. Routing Protocols: BGP, OSPF, EIGRP, IS-IS, static routing, full IPv4/IPv6 dual-stack support
3. MPLS & VPN Services: L3VPN, VPLS, EoMPLS L2VPN, MPLS Traffic Engineering (TE)
4. Integrated Security: Hardware-accelerated IPsec site-to-site VPN, zone-based stateful firewall, ACL filtering, NAT, AAA authentication, encrypted SSH/SNMPv3 management
5. Voice & Unified Communications: TDM PRI voice trunk termination via VA-series SPAs, voice QoS, echo cancellation, SIP trunking, CUBE Unified Border Element support
6. Broadband Access: L2TP LAC/LNS broadband concentrator functionality for subscriber termination
7. Monitoring & Lifecycle Management: SNMPv2c/v3, NetFlow v9/IPFIX, remote syslog, zero-touch provisioning (ZTP), ISSU In-Service Software Upgrade for firmware updates without traffic downtime

6. Carrier-Grade High Availability (HA) Features

1. SPA & SIP OIR Hot Swap: Interface modules replaced without chassis power cycle or full service outage
2. NSF + SSO Software Redundancy: Non-stop forwarding paired with single-RP dual IOS XE stateful switchover, sub-50ms control-plane failover with zero packet loss for established data flowsCisco.
3. ISSU In-Service Software Upgrade: IOS XE image upgrades executed in-service, eliminating mandatory maintenance windows
4. Dual Redundant Power Supplies: Power layer fault tolerance for AC/DC input power loss
5. Redundant Fan Trays: Cooling system redundancy to prevent thermal shutdown from single fan failure
6. Box-to-Box Redundancy: Support for paired ASR1004 routers in active/standby HA clusters for critical gateway and voice border deploymentsCisco.

7. Front Panel LED Indicator System

1. Global Chassis Status LED: Power supply health, system boot state, critical hardware fault alarm
2. RP & ESP Module Status LEDs: Processor power, operational state, error alerts
3. Dual SIP40 Module Status LEDs: SIP power presence, initialization progress, hardware fault indicators
4. Per-SPA Subslot Dual-Color LEDs: SPA module detection, link up/down, traffic activity, layer 1 line alarms (LOS, LOF, BER errors)
5. Management Port Indicators: Console, Aux, USB, out-of-band Ethernet management port activity status

8. Environmental Operating Specifications

• Standard Operating Temperature Range (Data Center): 5°C ~ 40°C (41°F ~ 104°F)
• Short-Term Extended Operating Temperature: -5°C ~ 45°C (23°F ~ 113°F)
• Non-Operating Storage Temperature: -40°C ~ 70°C (-40°F ~ 158°F)
• Relative Humidity: 5% ~ 85% non-condensing during operation; 5% ~ 95% non-condensing for storage
• Certified Operating Altitude: -60 m ~ 2000 m above sea level
• Thermal Protection: Built-in over-temperature automatic throttling and shutdown safeguards

9. Key Deployment Advantages

1. Dual SIP40 High-Density Modular Interface Architecture

   Two SIP40 modules deliver 8 SPA expansion slots with total 80 Gbps SPA bandwidth, balancing rack space efficiency and flexible multi-service interface mixing for voice, fiber Ethernet, and leased-line WAN connections.
2. Distributed Hardware Service Offloading

   All resource-intensive VPN, QoS, NAT, and multicast operations are processed on the ESP forwarding engine and distributed SIP40 interface processors, preventing control-plane RP CPU overload under full WAN traffic load with multiple concurrent network services enabled.
3. Unified Multi-Service Platform for Enterprise & Carriers

   Compatible with the full Cisco SPA portfolio, enabling consolidated deployment of data WAN, TDM voice trunking, broadband subscriber access, and MPLS VPN edge routing on a single 4RU chassis, reducing total rack hardware count and operational management overhead.
4. Cost-Effective Carrier-Grade High Availability

   Software-based RP redundancy eliminates the cost of a second physical route processor, while OIR, ISSU, redundant power/fans deliver five-nines (99.999%) service availability for mission-critical enterprise WAN gateways and service provider edge routers.
5. Investment Protection & Scalable Upgrades

   Modular chassis design allows independent upgrade of RP, ESP, SIP, and SPA modules without full chassis replacement. SIP40 modules are backward compatible with existing ASR 1000 Series SPAs, preserving existing interface hardware investments during network capacity expansion.

10. Regulatory & Safety Compliance Certifications

1. Electrical Safety Standards: UL 60950-1, CSA C22.2 No.60950-1, IEC 60950, EN 60950, GB 4943
2. EMC & EMI Electromagnetic Compatibility: FCC Part 15 Class A, ICES-003, VCCI Class A, EN55022, CISPR 24, full EN61000 ESD, surge, radiated and conducted immunity compliance
3. Telecommunications Standards: ITU-T G.703/G.704, ANSI T1.403, ISDN PRI Q.921/Q.931 for TDM voice SPA deployments
4. Environmental Directives: EU RoHS hazardous substance restriction, WEEE waste electrical and electronic equipment recycling compliance

11. Standard Factory Package Contents

1. ASR1004 4RU modular chassis
2. Dual ASR1000-SIP40 SPA Interface Processor modules pre-installed
3. 19-inch rack mounting brackets and installation fasteners
4. AC power cord (DC power cables sold separately)
5. RJ45-to-RS232 console management cable
6. SPA blank filler panels for unused SPA subslots
7. Hardware installation guide, safety manual, and regulatory compliance documentation

Supplementary UNSPSC Classification Code

Standard Hardware Warranty