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Redundant SUP720 chassis provided stable performance for mid-size deployments.
7603S-SUP720B-R
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Cisco 7603S Chassis,3-slot,Redundant System,2SUP720-3B,2PS
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7603S-SUP720B-R
- Description:
- Cisco 7603S Chassis,3-slot,Redundant System,2SUP720-3B,2PS
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- Cisco
- GTIN:
- 818250024581
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7603S-SUP720B-R Overview
7603S-SUP720B-R is a robust router supervisor module engineered with a modular architecture that delivers high availability and seamless integration across WAN and LAN interfaces. It offers dual AC/DC power options with redundancy support to ensure continuous operation and incorporates integrated services such as voice, video, and WAN optimization for reliable enterprise communications.
Designed for secure, high-performance operations, the 7603S-SUP720B-R supports advanced VPN features including IPSec and SSL VPN, along with firewall and intrusion prevention capabilities. Its flexible modular design, exceptional throughput of up to 720 Mbps, and configurable expansion slots make it ideal for mission-critical enterprise, service provider, and secure networking use cases.
7603S-SUP720B-R price is is available on request. Get immediate quote.
Request bulk order quote for 7603S-SUP720B-R for additional pricing. Browse the full Routers 7600 Series series or explore all Cisco products.
7603S-SUP720B-R Specifications
- Ethernet Technology
- 10/100/1000
- Memory
- 4 GB
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Flash Memory
- 512 MB
- WAN Configuration
- Dual WAN
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Wireless Support
- No
- Firewall Features
- Yes
- Management
- Managed
- EMC
- N/A
- Telecom
- N/A
- QoS Features
- Supported
- 5G Support
- No
- Device Type
- Router
- Integrated Services
- Voice, Video, WAN Optimization
- High Availability Support
- Supported
- VPN Support
- IPSec / SSL VPN
- Broadband
- N/A
- Compliance Standards
- FCC, CE, RoHS
- Built-in Security Features
- Firewall, Intrusion Prevention, Malware Protection
- LAN Ports
- Modular LAN
- Architecture
- Modular
- Speed/Capacity
- Gigabit
- WAN Ports
- Modular WAN
- Modular Slots Available
- 3+ Slots
- Throughput Capacity
- 720 Mbps
- Expansion Slots
- EHWIC, NIM
- Routing Protocols
- OSPF / BGP / EIGRP / Static Routing
- Stacking Capability
- Yes
- Safety
- UL Listed
- Form Factor
- Rack-mount / Chassis
- Interface Ports
- RJ-45, SFP, Combo Ports
- Remote Management
- SSH, Telnet, SNMP, HTTP/HTTPS
- Power
- 150 W
- Features
- VPN, Firewall, IPv6 Compatible, Redundancy
- Product Type
- Router Supervisor Module
- Power Source
- AC/DC, Redundant
- Network Protocols
- IP, IPv6, MPLS, Frame Relay
- Use Case
- Enterprise, Service Provider, Mission-Critical
- Product Name
- 7603S-SUP720B-R Supervisor Module
7603S-SUP720B-R Use Case
Mission-Critical Enterprise Data Center Core Routing
In a global enterprise data center, IT architects deploy the 7603S-SUP720B-R-Cisco 7603S Chassis,3-slot,Redundant System,2SUP720-3B,2PS as the core router to aggregate multiple 10/40/100 GbE leaf switches. The dual SUP720B supervisors and redundant power supplies deliver sub-50 ms failover and non-stop forwarding, ensuring zero downtime during maintenance windows. Benefit: Achieve carrier-grade availability (99.999%) for business-critical applications while simplifying capacity upgrades and reducing operational risk.
High-Capacity Service Provider Edge Aggregation
At a tier-1 service provider Point-of-Presence (PoP), network engineers implement the Cisco 7603S chassis with redundant SUP720B supervisors to terminate hundreds of customer circuits and support large-scale MPLS-VPN services. With hot-swappable line cards and hitless supervisor switchover, the solution scales to multi-terabit throughput and ensures uninterrupted subscriber access. Benefit: Maximize chassis utilization and service uptime while streamlining provisioning and lowering TCO in a high-growth metro network.
Ultra-Low-Latency Financial Trading Backbone
A leading investment bank integrates the 7603S-SUP720B-R-Cisco 7603S Chassis,3-slot,Redundant System,2SUP720-3B,2PS in its electronic trading floor backbone to interconnect matching engines and market data sources. The dual SUP720B supervisors provide sub-microsecond forwarding, hardware-based jitter suppression, and seamless supervisor redundancy. Benefit: Deliver deterministic latency and continuous market access during live trades, protecting revenue and ensuring compliance with strict SLAs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 7603S-SUP720B-R |  7606S-SUP720B-R |  7609S-RSP720C-R |  7609-S323B-10G-R |  CISCO7604 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Broadband | N/A | N/A | Fiber Optic | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | N/A | Firewall / Intrusion Prevention | N/A | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC, CE, RoHS | RoHS / FCC / CE | FCC / CE / RoHS | FCC / CE | RoHS, FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | N/A | N/A | N/A | 17.5 inches |
| Device Type | Router | Supervisor Engine | Router Module | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100/1000 | N/A | 10/100/1000 | 10G | 10/100/1000 |
| Expansion Slots | EHWIC, NIM | EHWIC / NIM | NIM / SFP Slots | SFP+ | EHWIC / NIM |
| Features | VPN, Firewall, IPv6 Compatible, Redundancy | High Availability / Redundant Power / Modular Design / Advanced QoS | VPN / Redundancy / Modular / Integrated Services | VPN / IPv6 Compatible / MPLS | VPN / VoIP / IPv6 Compatible / Firewall / MPLS |
| Firewall Features | Yes | N/A | Integrated IPS and Firewall Options | No | Yes |
| Flash Memory | 512 MB | 512 MB | 256 MB | 256 MB | 512 MB |
| Form Factor | Rack-mount / Chassis | Chassis | Rack-mount Chassis Module | Chassis | Rack-mount |
| Height | N/A | N/A | N/A | N/A | 4.5 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | N/A | Voice / Video / WAN Optimization | N/A | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45, SFP, Combo Ports | RJ-45 / SFP / SFP+ | RJ-45 / SFP | SFP+ | RJ-45 / SFP / Combo Ports |
| LAN Ports | Modular LAN | N/A | Modular LAN (varies by configuration) | N/A | Modular LAN |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 4 GB | 512 MB | 512 MB | 2 GB |
| Modular Slots Available | 3+ Slots | 3+ Slots | 2 Slots | N/A | 4 Slots |
| Network Protocols | IP, IPv6, MPLS, Frame Relay | TCP/IP / UDP / SNMP | IPv4 / IPv6 / MPLS | IPv4 / IPv6 | IPv4, IPv6 |
| Power | 150 W | 450 Watts | 250 W | N/A | 350W |
| Power Source | AC/DC, Redundant | Redundant | Redundant AC Power Supply | N/A | AC Power Supply / Redundant |
| Product Name | 7603S-SUP720B-R Supervisor Module | 7606S-SUP720B-R | 7609S-RSP720C-R | Cisco 7609-S323B-10G-R | Cisco 7604 Integrated Services Router |
| Product Type | Router Supervisor Module | Chassis Supervisor | Route Switch Processor Module | Router Line Card | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH, Telnet, SNMP, HTTP/HTTPS | CLI / Telnet / SSH / SNMP | SSH / Telnet / SNMP | SNMP / CLI | SNMP, Telnet, SSH |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing |
| Safety | UL Listed | N/A | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | N/A | Gigabit | 10gb | Gigabit |
| Stacking Capability | Yes | Yes | Yes | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 720 Mbps | 160 Gbps | 3.2 Gbps | 10 Gbps | 40 Gbps |
| Use Case | Enterprise, Service Provider, Mission-Critical | Enterprise | Enterprise / Carrier | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN | N/A | IPSec / SSL VPN / GRE | IPSec / SSL VPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | Modular WAN | Modular WAN | 2 WAN Ports | 1 WAN | Modular WAN |
| Weight | N/A | N/A | N/A | N/A | 35 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | 18.0 inches |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
W
Wesley Bryant
4
Handles traffic efficiently and predictably.
X
Xander Knight
5
Cisco hardware ensures minimal downtime.
Y
Yusuf Ramsey
5
Reliable and easy to manage.
Z
Zane Fletcher
5
Professional-grade enterprise solution.
Questions & Answers
What are the key features of the Cisco 7603S Chassis (SKU: 7603S-SUP720B-R)?
The Cisco 7603S Chassis offers a 3-slot modular design, redundant Supervisor Engine 720-3B modules, dual hot-swappable power supplies, 720 Gbps system bandwidth per slot, and NEBS Level 3 compliance, ensuring high availability and scalability for enterprise and service provider networks.
How does the redundant Supervisor Engine 720-3B enhance network reliability?
Redundant Supervisor Engine 720-3B modules operate in active/standby mode, enabling hitless failover within 200 ms and maintaining control-plane continuity, which minimizes downtime and ensures uninterrupted data forwarding during hardware maintenance or faults.
What power supply configuration does the 7603S chassis support?
The Cisco 7603S chassis comes standard with two hot-swappable 2700W AC power supplies, supporting N+1 redundancy and load-sharing. This configuration delivers up to 5400W of combined power for line cards, supervisors, and fabric modules.
What line card options are compatible with the 7603S chassis?
Compatible line cards include Cisco 7600 series Ethernet and service modules such as the 48-port Gigabit Ethernet, 16-port 10 Gigabit Ethernet, and multiservice broadband modules. Each line card leverages the 720 Gbps per-slot fabric connectivity.
How much switching capacity does the Cisco 7603S chassis provide?
The Cisco 7603S chassis delivers up to 1.44 Tbps total backplane capacity and 720 Gbps per slot, supporting up to 192 10/100/1000 ports or 32 10-Gigabit Ethernet ports with full line-rate performance.
What management interfaces are available on the 7603S chassis?
Management options include a dedicated out-of-band RJ-45 console port, an auxiliary serial port, an Ethernet management port for Cisco IOS RPC, and optional In-Service Software Upgrade (ISSU) support for Supervisor Engine modules.
Can the Cisco 7603S chassis perform In-Service Software Upgrades (ISSU)?
Yes. When equipped with redundant Supervisor Engine 720-3B modules running Cisco IOS Release 15.x or later, the chassis supports ISSU, allowing software updates without disrupting data-plane traffic.
What environmental specifications does the 7603S chassis meet?
The chassis meets NEBS Level 3, ETSI, and GR-63 standards. Operating temperature ranges from 0°C to 40°C, storage from –40°C to 70°C, and it supports relative humidity from 5% to 85% non-condensing.
How do I rack-mount the Cisco 7603S chassis?
The 7603S chassis ships with front and rear rack-mount kits, including brackets and screws. It occupies 9 RU in a standard 19” rack and requires proper airflow clearance and cable management.
What warranty and support options are available for SKU 7603S-SUP720B-R?
Cisco offers a 90-day limited hardware warranty, with optional extensions up to 5 years. Cisco SMARTnet contracts provide 24x7 technical support, advanced replacement, and software updates for the chassis and Supervisor Engine modules.
Is the Cisco 7603S chassis IPv6-ready?
Yes. The chassis and Supervisor Engine 720-3B support full IPv6 routing protocols, including OSPFv3, BGP4+, and RIPng, ensuring IPv6 data-plane forwarding at line rate alongside IPv4.
What licensing model applies to the Cisco 7603S chassis and supervisors?
The chassis and Supervisor Engine 720-3B require a base feature set license included in the hardware purchase. Advanced features like MPLS, multicast, and security require Cisco IOS feature licenses, which can be ordered separately.
How do I upgrade from a Cisco 7600 Series chassis to the 7603S model?
Upgrading involves swapping the existing chassis with the 7603S, reusing compatible line cards and power supplies, installing new Supervisors, and migrating configurations via Cisco IOS commands or configuration files.
What is the typical use case for deploying the 3-slot Cisco 7603S chassis?
The 7603S is ideal for campus aggregation, small service provider edge, and data center spine deployments that require high performance, redundancy, and IPv6 readiness in a compact 9 RU footprint.
How scalable is the Cisco 7603S chassis for future growth?
With 3 modular slots, redundant supervisors, up to 5400W power capacity, and 720 Gbps per-slot bandwidth, the 7603S chassis scales by adding higher-density line cards or service modules without disrupting existing services.
Where can I purchase genuine Cisco replacement parts for SKU 7603S-SUP720B-R?
Genuine Cisco parts and accessories can be purchased through certified Cisco partners, authorized distributors, or directly via the Cisco Commerce Workspace, ensuring full warranty coverage and technical support.