Cisco C8235-G2 Router
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Model: C8235-G2
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The Cisco 8200 Series Secure Routers are designed to simplify secure networking for medium-sized branch deployments. By integrating a dedicated secure networking processor with a unified platform, these routers provide a robust foundation for modern WAN edge requirements. They are engineered to deliver high performance, reliable security, and flexible management options, whether businesses prefer on-premises, cloud-based, or infrastructure-as-code deployment models.
These platforms are built to help organizations scale efficiently while reducing operational risks. By combining advanced routing capabilities with SD-WAN functionality, the 8200 Series ensures that branch offices remain connected and resilient. Furthermore, the series is designed with future-readiness in mind, supporting AI-driven growth and advanced security protocols to meet the evolving demands of digital business environments.
Product overview
The Cisco 8200 Series includes a diverse range of models tailored to specific connectivity and performance needs. The lineup features the C8235-E-G2 and C8231-E-G2, which offer expansion slots and high-speed 10 GE ports, alongside the C8235-G2 and C8231-G2 models that provide a mix of 10 GE and 2.5 GE Multigigabit ports. For standard branch requirements, the series includes the C8225-G2, C8221-G2, and C8221L-G2, which balance 10 GE and 1 GE connectivity.
Additionally, the series offers specialized options such as the C8211-G2 for smaller configurations and the C8255-G2-UCSXE, which serves as a secure router node for the Cisco UCS XE9305 chassis. Many of these units are available in fanless designs, making them ideal for noise-sensitive or space-constrained environments. Each model is built to support high-speed interfaces and integrated security, ensuring that businesses can maintain consistent performance across their entire network infrastructure.
Features and benefits
- Hardware-Accelerated Security: Features a dedicated processor for rapid cryptography and deep packet inspection, ensuring high throughput without compromising threat protection.
- Unified Branch Infrastructure: Combines Next-Generation Firewall (NGFW), routing, and SD-WAN into a single platform to reduce IT complexity and management overhead.
- Quantum-Resistant Readiness: Built with advanced encryption capabilities to ensure branch security remains effective against future threats.
- Flexible Connectivity: Supports a variety of high-speed interfaces, including 10 GE SFP/SFP+ and 2.5 GE Multigigabit ports, to accommodate modern bandwidth demands.
- Quiet and Durable Design: Fanless models are available for environments where noise reduction and low maintenance are critical.
- Sustainability-Focused: Designed with circular economy principles, including energy-efficient power management, reduced plastic usage, and recyclable packaging materials.
- Scalable Management: Offers versatile deployment options, including cloud, on-premises, and infrastructure-as-code, allowing for seamless network expansion.
Overview
The Cisco 8200 Series Secure Routers deliver secure networking simplified. Powered by the all-new secure networking processor and the unified Cisco secure networking platform, the Cisco 8200 Series delivers robust platform-level security, advanced performance engineering via routing and SD-WAN, and on-premises, infrastructure-as-code, or cloud management flexibility that enables businesses to seamlessly scale and grow. Each class of secure routers is designed to deliver risk reduction, enhanced reliability, and future readiness.
Platform highlights
Designed for medium-sized branch deployments, the Cisco 8200 Series Secure Routers combine robust security, advanced performance engineering, and flexible management options. These routers offer seamless connectivity, dynamic path selection, and unified security enforcement, helping ensure resilient operations and simplified IT overhead as your network grows. With integrated security and support for high-speed 10Gigabit Ethernet (GE) interfaces, these platforms deliver scalable and reliable performance for modern WAN edge deployments. Whether used for traditional routing or SDWAN applications, the Cisco 8200 Series supports AI-driven growth to meet digital branch demands
Key features
- Dedicated secure networking processor for fast cryptography and deep packet inspection
- Hardware acceleration that helps ensure high throughput with robust threat protection
- Quiet, reliable fanless SKU ideal for noise-sensitive or space-constrained sites
- Fewer moving parts for lower maintenance and enhanced durability
- Combines Next-Generation Firewall (NGFW) security, routing, and SD-WAN in one unified platform
- Simplifies branch infrastructure and management with all-in-one secure access
- Future-ready branch security with advanced, quantum-resistant encryption
Models and specifications
The Cisco 8200 Series Secure Routers offer a range of configurations to meet diverse networking needs and include the following models:
- Cisco C8235-E-G2 and C8231-E-G2 with one NIM slot plus two 10 GE SFP/SFP+ and two 2.5 GE Multigigabit RJ-45 ports
- Cisco C8235-G2 with two 1/10 GE SFP+ and eight 2.5 GE Multigigabit RJ-45 ports
- Cisco C8231-G2 with two 1/10 GE SFP+, four 2.5 GE Multigigabit RJ-45, and four 1 GE RJ-45 ports
- Cisco C8225-G2 and C8221-G2 with two 1/10 GE SFP+ and eight 1 GE RJ-45 ports
- Cisco C8221L-G2 with two 10 GE RJ-45 and eight 1 GE RJ-45 ports
- Cisco C8211-G2 with two 1 GE RJ-45/SFP combo and four 1 GE RJ-45 ports
- Cisco C8255-G2-UCSXE (secure router node for Cisco UCS XE9305Chassis) with two 1/10 GE SFP+, four 2.5 GE MultigigabitRJ-45, and fourteen 1 GE RJ-45 ports
Figure 1. Front view of a Cisco C8235-E-G2 Secure Router
Table 1. Descriptions of front panel of Cisco C8235-E-G2 Secure Router
| Label | Description |
|---|---|
| 1 | USB 3.0 Type C storage |
| 2 | Management RJ-45 port |
| 3 | Console RJ-45 /Micro-USB port |
| 4 | 2x 2.5 GE Multigigabit RJ-45 ports |
| 5 | 2x 1/10 GE SFP+ ports |
| 6 | Label tray |
| 7 | PIM slot |
| 8 | E1.S storage slot |
| 9 | NIM slot |
| 10 | RFID |
Figure 2. Rear view of a Cisco C8235-E-G2 Secure Router
Table 2. Descriptions of rear panel of a Cisco C8235-E-G2 Secure Router
| Label | Description |
|---|---|
| 1 | Kensington lock, ground screw |
| 2 | 2x fan assemblies — default (optional third fan assembly for NEBS temperature support) |
| 3 | Power over Ethernet (PoE) adapter input |
| 4 | 12V DC – secondary PSU input |
| 5 | AC – primary power socket |
| 6 | Power switch |
Figure 3. Front view of a Cisco C8235-G2 Secure Router
Table 3. Descriptions of front panel of Cisco C8235-G2 Secure Router
| Label | Description |
|---|---|
| 1 | Status LEDs, blue beacon LED |
| 2 | Reset button |
| 3 | Power button |
| 4 | Power supply input (AC/AC + PoE) |
| 5 | 8x 2.5 GE Multigigabit RJ-45 ports |
| 6 | 2x 10 GE SFP/SFP+ ports |
| 7 | RFID |
| 8 | Management RJ-45 port |
| 9 | Console RJ-45 port/Micro-USB cConsole port |
| 10 | USB 3.0 Type C storage |
| 11 | PIM slot |
| 12 | Kensington lock, ground screw |
Figure 4. Front view of a Cisco C8231-G2 Secure Router
Table 4. Descriptions of front panel of a Cisco C8231-G2 Secure Router
| Label | Description |
|---|---|
| 1 | Status LEDs, blue beacon LED |
| 2 | Reset button |
| 3 | Power button |
| 4 | Power supply input (AC/AC+PoE) |
| 5 | 4x 1 GE RJ-45 ports |
| 6 | 4x 2.5 GE Multigigabit RJ-45 ports |
| 7 | 2x 1/10 GE SFP+ ports |
| 8 | Management RJ-45 port |
| 9 | Console RJ-45 port |
| 10 | USB 3.0 Type C storage |
| 11 | Kensington lock, ground screw |
Figure 5. Front view of a Cisco C8225-G2 Secure Router
Table 5. Descriptions of front panel of a Cisco C8225-G2 Secure Router
| Label | Description |
|---|---|
| 1 | Status LEDs, blue beacon LED |
| 2 | Reset button |
| 3 | Power button |
| 4 | Dual power supply Input |
| 5 | 8x 1 GE RJ-45 ports |
| 6 | 2x 1/10 GE SFP+ ports |
| 7 | Management RJ-45 port |
| 8 | Console RJ-45 port |
| 9 | USB 3.0 Type C storage |
| 10 | Kensington lock, ground screw |
Figure 6. Front view of a Cisco C8221L-G2 Secure Router
Table 6. Descriptions of front panel of a Cisco C8221L-G2 Secure Router
| Label | Description |
|---|---|
| 1 | Status LEDs, blue beacon LED |
| 2 | Reset button |
| 3 | Power button |
| 4 | Dual power supply Input |
| 5 | 8x 1 GE RJ-45 ports |
| 6 | 2x 10 GE RJ-45 ports |
| 7 | Management RJ-45 port |
| 8 | Console RJ-45 port |
| 9 | USB 3.0 Type C storage |
| 10 | Kensington lock, ground screw |
Figure 7. Front view of a Cisco C8211-G2 Secure Router
Table 7. Descriptions of front panel of a Cisco C8211-G2 Secure Router
| Label | Description |
|---|---|
| 1 | Status LEDs, blue beacon LED |
| 2 | Reset button |
| 3 | Power button |
| 4 | Dual power supply input |
| 5 | 4x 1 GE RJ-45 ports |
| 6 | 2x 1 GE RJ-45/SFP combo ports |
| 7 | Console RJ-45 port |
| 8 | USB 3.0 Type C storage |
| 9 | Ground screw |
Figure 8. Front view of a Cisco C8255-G2-UCSXE Secure Router Node
Table 8. Descriptions of front panel of a Cisco C8255-G2-UCSXE Secure Router Node
| Label | Description |
|---|---|
| 1 | Reset button |
| 2 | Status, power, and locator LEDs |
| 3 | 14x 1 GE RJ-45 ports |
| 4 | 4x 2.5 GE Multigigabit RJ-45 ports |
| 5 | 2x 1/10 GE SFP+ ports |
| 6 | Console RJ-45 port |
| 7 | Management RJ-45 port |
Table 9. Technical specifications
C8235-E-G2 and C8231-E-G2 | C8235-G2 | C8231-G2 | |
|---|---|---|---|
| Interfaces and slots | |||
| WAN Ports | 2x 1/10 GE SFP+, 2x 2.5 GE mGig RJ-45 (2x UPOE+) | 2x 1/10 GE SFP+, 2x 2.5 GE mGig RJ-45 (2x UPOE+) | 2x 1/10 GE SFP+, 2x 2.5 GE mGig RJ-45 (1x PoE+) |
| Flex Ports | - | 2x 2.5 GE mGig RJ-45 (2x PoE+) | 2x 2.5 GE mGig RJ-45 |
| LAN Ports | - | 4x 2.5 GE mGig RJ-45 | 4x 1 GE RJ-45 |
| Expansion Slots | 1 x NIM | - | - |
| Cellular Slot | 1 x PIM | 1 x PIM | - |
| Management/console port | 1x RJ-45 Out-of-Band (OOB) mgmt 1x RJ-45, 1x micro-USB console | 1x RJ-45 OOB mgmt
| 1x RJ-45 OOB mgmt 1x RJ-45 console |
| Memory and storage | |||
| DRAM | 16 GB (for C8235-E-G2) 8 GB (for C8231-E-G2) | 16 GB | 8 GB |
| Storage | 16 GB Upgradeable to 600 GB | 16 GB | 16 GB |
| Power supply (default) | 140 W AC (internal default) | 66 W AC (default – external adapter) | 66 W AC (default – external adapter) |
| Power supply (upgrade options) | 150 W AC for PoE
| 230 W AC for PoE (external adapter) PoE budget – 120 W | 115 W AC for PoE (external adapter) PoE budget – 30 W |
| Typical power consumption | 34.20W | 27.11 W | 26.70 W |
C8225-G2, C8221-G2, and C8221L-G2 | C8211-G2 | C8255-G2-UCSXE (secure router node for Cisco UCS XE9305 Chassis) | |
|---|---|---|---|
| Interfaces and slots | |||
| WAN ports | For C8225-G2 and C8221-G2 2x 1/10 GE SFP+, 2x 1 GE RJ-45 For C8221L-G2 2x 10 GE RJ-45, 2x 1 GE RJ-45 | 2x 1 GE RJ-45/SFP combo | - |
| Flex ports | 2x 1 GE RJ-45 | 2x 1 GE RJ-45 | 2x 1/10 GE SFP+, 2x 2.5 GE mGig (UPOE+) |
| LAN ports | 4x 1 GE RJ-45 | 2x 1 GE RJ-45 | 2x 2.5 GE mGig (UPOE+) 14x 1 GE RJ-45 (PoE+) |
| Cellular slot | - | - | - |
| Management/ console port | 1x RJ-45 OOB mgmt 1x RJ-45 console | 1x RJ-45 console | 1x RJ-45 OOB mgmt 1x RJ-45 console |
| Memory and storage | |||
| DRAM | 16 GB (for C8225-G2) 8 GB (for C8221-G2 and C8221L-G2) | 8 GB | 16 GB |
| Storage | 16 GB | 16 GB | 16 GB (default) 600 GB |
| Power supply (default) | 66W AC (default – external adapter) | 30W AC (default – external adapter) | Powered within the Cisco UCS XE9305 Chassis PoE budget – 360W |
| Power supply (spare options) | Secondary PSU option – external adapter 66W AC | Secondary PSU option – external adapter 30W AC | |
| Typical power consumption | 21W | 15.4W | - |
Table 10. Throughput and scale
C8235-E-G2, C8235-G2, C8225-G2, and C8255-G2-UCSXE | C8231-E-G2, C8231-G2, C8221-G2, and C8221L-G2 | C8211-G2 | |
|---|---|---|---|
| Throughput | |||
| Forwarding (512B) | 19 Gbps | 19 Gbps | 5.6 Gbps |
| IPsec (512B) | 5 Gbps | 5 Gbps | 3 Gbps |
| SD-WAN* (512B) | 4 Gbps | 4 Gbps | 2 Gbps |
| Threat protection** (EMIX) | 2.4 Gbps | 1 Gbps | 1 Gbps |
| Scale | |||
| IPv4/IPv6 routes | 1.5M | 1.5M | 1.5M |
| IPsec tunnels | 700 | 700 | 700 |
| IPv4 Access Control Lists (ACLs) | 3000 | 3000 | 3000 |
| IPv4 Access Control Entries (ACEs) | 15,000 | 15,000 | 15,000 |
| Network Address Translation (NAT) sessions | 1.5M | 1.5M | 1.5M |
| Virtual Route Forwarding (VRF) instances | 4000 | 4000 | 4000 |
*SD-WAN feature combination: IPsec + Quality of Service (QoS) + deep packet inspection + Flexible NetFlow
**Threat protection: 100% Direct Internet Access (DIA)-NAT + NGFW + Intrusion Prevention System (IPS) + URL Filtering + Advanced Malware Protection (AMP)
Table 11. Physical specifications
| Description | C8235-E-G2 and C8231-E-G2 | C8235-G2 | C8231-G2 |
|---|---|---|---|
| Dimensions (H x D x W) | 1.73 x 17.25 x 11.81 in. (4.39 x 43.82 x 30.00 cm) | 1.65 x 8.9 x 12.7 in. (4.19 x 22.60 x 32.26 cm) 2.835 x 12 x 17.56 in. (7.20 x 30.48 x 44.60 cm) with rack-mount tray holding power supply | 1.14 x 8.1 x 12.23 in. (2.89 x 20.57 x 31.06 cm) 2.835 x 12 x 17.56 in. (7.20 x 30.48 x 44.60 cm) with rack-mount tray holding power supply |
| Rack units (RU) | 1 RU | Desktop | Desktop |
| Chassis weight | 8.36lbs (3.79 kg) | 7 lbs (3.17 kg) | 5 lbs (2.27 kg) |
| Input voltage | AC: 85 to 264 VAC DC: -40 to 72V; 48V nominal | AC: 85 to 264 VAC | AC: 85 to 264 VAC |
| Operating temperature | 0° to 40°C (32° to 104°F) up to 10,000 feet 0 to 45°C (32° to 113°F) up to 6000 feet For NEBS, -5° to 55°C (23° to 131°F) up to 6000 feet (additional third fan assembly required) | 0° to 40°C (32° to 104°F) at sea level | 0° to 45°C (32° to 113°F) at sea level |
| Storage temperature | -40° to 70°C (-40° to 158°F) | -40° to 70°C (-40° to 158°F) | -40° to 70°C (-40° to 158°F) |
| Relative humidity (noncondensing) | Operating: 5% to 85% Nonoperating and storage: 5% to 95% | ||
| Description | C8225-G2, C8221-G2, and C8221L-G2 | C8211-G2 |
|---|---|---|
| Dimensions (H x D x W) | 1.61 x 8.5 x 12.7 in. (4.09 x 21.59 x 32.26 cm) (2.835 x 12 x 17.56 in. [7.20 x 30.48 x 44.60 cm] with rack-mount tray holding power supply) | 1.10 in x 7.2 in x 10.8 in (2.79 x 18.29 x 27.43 cm) (2.835 x 12 x 17.56 in [7.20 x 30.48 x 44.60 cm] with rack-mount tray holding power supply) |
| Rack units (RU) | Desktop | Desktop |
| Chassis weight | 5 lb (2.27 kg) | 3.38 lb (1.53 kg) |
| Input voltage | AC: 85 to 264 VAC | AC: 85 to 264 VAC |
| Operating temperature | 0° to 45°C (32° to 113°F) at sea level (0° to 40°C [32° to 104°F] at sea level with dust/liquid cover) | 0° to 40°C (32° to 104°F) at sea level (0° to 35°C [32° to 95°F] at sea level with dust/liquid cover |
| Storage temperature | -40° to 70°C (-40° to 158°F) | -40° to 70°C (-40° to 158°F) |
| Relative humidity (noncondensing) | Operating: 5% to 85% Nonoperating and storage: 5% to 95% | |
Modules
Table 12. Modules
| Product number | Description |
|---|---|
| WAN modules | |
| C-NIM-WAN-2X | 2-port 1/10 Gbps SFP/SFP+ WAN Module, NIM with WAN MACsec |
| C-NIM-WAN-4S | 4-port 1 Gbps SFP WAN Module, NIM with WAN MACsec |
| LAN modules | |
| C-NIM-4X | 4-port 1/10 Gbps SFP/SFP+ switch NIM, LAN/WAN MACsec and optional L3 |
| C-NIM-8T | 8-port 100 Mbps/1 Gbps switch NIM, LAN/WAN MACsec and optional L3 |
| C-NIM-8M | 8-port 100 Mbps/1/2.5 Gbps switch NIM, UPOE+, LAN/WAN MACsec and optional L3 |
| Serial WAN interface | |
| NIM-1T | 1-port serial high-speed WAN interface card |
| NIM-2T | 2-port serial high-speed WAN interface card |
| NIM-4T | 4-port serial high-speed WAN interface card |
| Async WAN interface | |
| NIM-16A | 16-port Asynchronous Module |
| NIM-24A | 24-port Asynchronous Module |
| Cellular modules | |
| P-5GS6-R16SA-GL | 5G Sub-6 GHz Pluggable – 5G SA Global |
| P-LTEA7-NA | CAT7 LTE Advanced Pluggable - North America |
| P-LTEA7-EAL | CAT7 LTE Advanced Pluggable - EMEA, APAC, and LATAM |
| P-LTEA7-JP | CAT7 LTE Advanced Pluggable - Japan |
Software management
The minimum Cisco IOS XE release versions for the Cisco 8200 Series Secure Routers are listed in the table below.
Table 13. Minimum software releases
| Device OS | Cisco Catalyst SD-WAN Manager | |
|---|---|---|
| C8235-E-G2, C8231-E-G2 C8235-G2, C8231-G2 | IOS XE Release 17.18.1 and later | SD-WAN Release 20.18.1 and later |
| C8225-G2, C8221-G2, C8221L-G2 | IOS XE Release 26.1.2 and later | SD-WAN Release 26.1.2 and later |
| C8255-G2-UCSXE, C8211-G2 | IOS XE Release 26.2.1 and later | SD-WAN Release 26.2.1 and later |
Ordering information
For a detailed overview of the ordering process, please visit the Cisco 8000 Series Secure Routers Ordering Guide.
Appendix
Safety and compliance
Chassis
The table below lists the safety and compliance information for the Cisco 8200 Series Secure Routers chassis.
Table 15. Chassis safety and compliance information
| Safety and certifications | EMC and EMI compliance |
|---|---|
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| Model | C8235-G2 |