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S10KZ11-12231SB
Cisco 10K PRE2 IOS UP TO 8K SUBSCRIBERS
TRUSTED, TRIED, PROVEN
$5,000,000+
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S10KZ11-12231SB is a high-performance enterprise router built on a modular architecture that supports versatile power options, including redundant AC power supply configurations. It features configurable WAN and LAN interfaces with high throughput capabilities, ensuring efficient data flow across secure network channels while integrating advanced VPN functionalities.
Designed for demanding network environments, S10KZ11-12231SB offers integrated services such as voice, video, and WAN optimization with robust redundancy and performance features. Its expandable modular slots and proven VPN support make it ideal for enterprise use cases where secure connectivity and reliable routing are paramount.
S10KZ11-12231SB price is $6,876.00, a 37.5% saving from the Cisco list price of $11,000.00. S10KZ11-12231SB is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for S10KZ11-12231SB for additional pricing. Browse the full Cisco Router 10000 Series series or explore all Cisco products.
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| S10KZ11-12231SB |  ESR-PRE4 |  ESR1OC48/P/SRPSMS |  10000-1P3-1DC |  S10KK91Z-12231SB | |
|---|---|---|---|---|---|
| 5G Support | No | Yes | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Broadband | Fiber Optic | Fiber Optic / DSL / 4G / 5G / LTE | Fiber Optic | N/A | Fiber Optic / DSL |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | CE, FCC | FCC, CE, RoHS | FCC, CE, RoHS | RoHS, FCC, CE | FCC, CE, RoHS |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 14 inches | 18 inches | 18 inches | 15 inches | 18 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC, CE | N/A | N/A | CISPR 22 |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | NIM | NIM, SM-X | NIM | SFP+ | NIM / SFP+ |
| Features | VPN, IPv6 Compatible, Firewall, MPLS, Syslog | VPN, Firewall, IPv6 Compatible, QoS, WAN Optimization | VPN, Firewall, QoS, Redundancy | VPN, IPv6 Compatible, Firewall | Mesh / VPN / VoIP / IPv6 Compatible / Firewall / POE / MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.8 inches | 2 inches | 2.2 inches | 1.75 inches | 4 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | WAN Optimization, VPN | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45, SFP | RJ-45, SFP, Combo Ports | RJ-45, SFP | RJ-45 / SFP |
| LAN Ports | Modular LAN | 8 LAN Ports | 4 LAN Ports | 8 LAN Ports | 8 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 4 GB | 8 GB | 4 GB | 4 GB |
| Modular Slots Available | 3+ Slots | 3+ Slots | 3+ Slots | 1 Slot | 2 Slots |
| Network Protocols | IPv4, IPv6 | IPv4, IPv6 | IPv4, IPv6, MPLS | IPv4, IPv6 | IPv4, IPv6, MPLS |
| Power | 250 Watt | 250W | 350W | 350 Watt | 350 Watt |
| Power Source | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant | Redundant DC Power Supply | AC Power Supply / DC Power Supply / Redundant |
| Product Name | S10KZ11-12231SB Enterprise Modular Router | ESR-PRE4 Integrated Enterprise Router | ESR1OC48/P/SRPSMS | 10000-1P3-1DC | S10KK91Z-12231SB Enterprise Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH, Telnet, SNMP | SSH, Telnet, SNMP | SNMP, SSH, Telnet | Telnet, SSH, SNMP | CLI, SSH, SNMP |
| Routing Protocols | OSPF / BGP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP |
| Safety | N/A | UL, CE | N/A | N/A | UL Certified |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | Yes | Yes | Yes | Yes |
| Telecom | N/A | N/A | N/A | N/A | ITU-T |
| Throughput Capacity | 10 Gbps | 10 Gbps | 10 Gbps | 10 Gbps | 10 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / GRE / DMVPN | IPSec / SSL VPN | IPSec / SSL VPN / GRE |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 25 lbs | 20 lbs | 35 lbs | 20 lbs | 25 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | WiFi 6 |
| Width | 17.5 inches | 17 inches | 19 inches | 17.5 inches | 17 inches |
| Wireless Support | No | No | No | No | Yes |
Perfect IOS for the PRE2. It handles 8K subscribers efficiently and provides the stability needed for our edge routing tasks. Great release.
Reliable and fast subscriber handling. This IOS version has been extremely stable in our production environment. Five stars for reliability.
Tough and steady software. It manages high subscriber loads on the PRE2 without any memory issues or performance drops.
Professional grade IOS. The feature set for subscriber management is comprehensive and the uptime is excellent. Very dependable software.
Consistent results. Our 10K routers have been rock solid since upgrading to this IOS version on our PRE2 modules.
The Cisco 10K PRE2 IOS up to 8K subscribers (SKU: S10KZ11-12231SB) is a high-performance routing software image designed for Cisco 10000 series platforms, supporting up to 8 000 concurrent subscribers with advanced routing, QoS, and security features.
Cisco 10K PRE2 IOS supports up to 8 000 subscribers per Performance Route Engine 2, delivering scalable subscriber aggregation and consistent performance in demanding network environments.
Key features of Cisco 10K PRE2 IOS include multi-protocol routing, advanced QoS, integrated security services, high availability, MPLS and IPv6 support, and dynamic subscriber management for optimized network delivery.
Cisco 10K PRE2 IOS is ideal for service provider edge, large enterprise campus cores, and data center aggregation where high-density subscriber management, carrier Ethernet services, and robust routing are required.
Cisco 10K PRE2 IOS is compatible with Cisco 10000 series routers equipped with Performance Route Engine 2 modules and supported line cards; refer to the Cisco hardware compatibility matrix for detailed requirements.
To install Cisco 10K PRE2 IOS, upload the IOS image via TFTP, FTP or USB, configure the boot variable in ROMmon, and reboot; follow the Cisco software installation guide for step-by-step commands and verification.
Upgrade Cisco 10K PRE2 IOS by downloading the latest image from Cisco’s Software Download Center, transferring it to your router, updating the boot settings, and rebooting during a scheduled maintenance window to avoid service impact.
Cisco 10K PRE2 IOS offers term-based and perpetual licensing models—including Right-to-Use and Smart Licensing—to align with budget, compliance, and scalability requirements.
Yes, Cisco 10K PRE2 IOS maintains backward compatibility with previous PRE2-based router configurations; validate specific feature interoperability in the Cisco software compatibility matrix before deployment.
Cisco 10K PRE2 IOS provides granular QoS functions such as traffic shaping, policing, priority queuing, and class-based weighted fair queuing to guarantee service-level agreements and optimize bandwidth utilization.
Integrated security in Cisco 10K PRE2 IOS includes stateful firewall services, IPsec VPN, access control lists (ACLs), threat defense, and secure management protocols to protect subscriber data and network assets.
Yes, Cisco 10K PRE2 IOS supports integration with existing Cisco routers, switches, and management systems via SNMP, NetFlow, syslog, and REST APIs for cohesive network operations and unified policy enforcement.
Common troubleshooting steps include reviewing system logs, using "show diagnostics" to check hardware health, applying targeted debug commands, and consulting Cisco’s knowledge base and troubleshooting guides for known issues.
Register your device on the Cisco Support Portal to access 24/7 technical assistance, software updates, documentation, and direct escalation to Cisco TAC engineers for Cisco 10K PRE2 IOS issues.
The SKU S10KZ11-12231SB includes Cisco’s limited lifetime warranty on the software image plus the applicable hardware maintenance contract; refer to Cisco’s warranty terms for complete coverage details.
Software updates for Cisco 10K PRE2 IOS are available on the Cisco Software Download Center; log in with your Cisco ID, review release notes and compatibility advisories, and download the latest IOS image.
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