C8355-G2-MX Datasheet
Overview
The Meraki C8355-G2-MX is a Cisco Secure Router that provides Security and SD-WAN, next-generation firewall services, and high-speed branch connectivity for large branch environments. It is designed for distributed networks that require remote administration and supports simple deployment through the Meraki dashboard with minimal pre-configuration required in most locations. It is ideal for network administrators who demand both ease of deployment and a state-of-the-art feature set.
The C8355-G2-MX appliance provides the following features:
Key platform highlights include:
· Cloud-managed Security and SD-WAN through the Meraki dashboard.
· Hardware-accelerated firewall, VPN, and advanced threat protection.
· High-speed WAN connectivity and Multigigabit LAN access for branch aggregation.
· Dedicated management and console access for deployment and recovery workflows.

Throughput and Capabilities
|
C8355-G2-MX |
|
|---|---|
|
Maximum NGFW Throughput |
10 Gbps |
|
Maximum Site-to-Site VPN Throughput |
5 Gbps |
|
Advanced Security Throughput |
4 Gbps |
|
Recommended Device Count |
5,000 |
|
Maximum Recommended Tunnels |
1,500 |
|
Recommended Use Case |
Large branch secure routing and SD-WAN |
Technical Breakdown
Interfaces
WAN
- 2x 10 Gigabit SFP+ WAN Port
- Up to 3 with LAN/WAN Conversion (Multi-WAN mode)
LAN
- 2x 10 Gigabit SFP+ ports (Can be converted to WAN. See Multi-WAN mode)
- 4x 5 Gbps mGig LAN (RJ45) UPoE+ (PoE Comming in a later 26.1 release)
- 2x 1 Gbps LAN (RJ45)
Management
- 1x RJ45 Console Port
- 1x RJ45 Management Interface
Physical
|
Attribute |
Value |
|---|---|
|
Mount Type |
Rack mount (19" included) |
|
Dimensions (H x W x D) |
1.73 in x 17.5 in x 11.49 in |
|
Rack Units |
1 RU |
|
Weight |
9.25 lbs |
|
Input operating voltage |
85 to 264 Vac |
|
Power supplies included by default |
2x 110W AC power supplies |
|
Optional power upgrade |
230W AC + PoE (120W PoE budget. PoE Comming in a later 26.1 release) |
|
Typical power consumption |
45W (Not including PoE) |
|
Operating temperature |
32° to 104°F (0° to 40°C), sea level |
|
Storage temperature |
-40° to 158°F (-40° to 70°C) |
|
Relative humidity |
Operating 5 to 85% non-condensing; storage 5 to 95% non-condensing |
Accessories
Components and Regional Power Cords
|
Accessory |
Description |
|
CAB-AC-C5-US |
1x AC power cable, U.S. plug |
|
CAB-AC-C5-EU |
1x AC power cable, EU plug |
|
CAB-AC-C5-UK |
1x AC power cable, UK plug |
|
CAB-AC-C5-AU |
1x AC power cable, AU plug |
|
CAB-AC-C5-BR |
1x AC power cable, BR plug |
Compatible Fiber Transceiver Modules
|
Module |
Intended Port Type |
Status |
|
MA-SFP-10GB-SR |
10G SFP+ ports |
Supported |
|
MA-SFP-10GB-LR |
10G SFP+ ports |
Supported |
|
MA-SFP-10GB-LRM |
10G SFP+ ports |
Supported |
|
MA-SFP-10GB-ER |
10G SFP+ ports |
Supported |
Compatible SFP and Twinax Cables
|
Cable |
Intended Port Type |
Status |
|
MA-CBL-TA-1M |
10G SFP+ ports |
Supported |
|
MA-CBL-TA-3M |
10G SFP+ ports |
Supported |
Warranty
MX Warranty coverage periods are as follows:
| Product | Warranty Period | Warranty Information |
|---|---|---|
| C8355-G2-MX | 2 Year | Cisco 8300 Series Secure Routers come standard with a Cisco Limited 2-Year Return To Factory Hardware Warranty. |
Additional warranty information can be found on the Cisco Limited Hardware Warranty Terms page of the Cisco website.
If your Cisco Meraki device fails and the problem cannot be resolved by troubleshooting, contact support to address the issue. Once support determines that the device is in a failed state, they can process an RMA and send out a replacement device free of charge. In most circumstances, the RMA will include a pre-paid shipping label so the faulty equipment can be returned.
To start a hardware replacement for non-functioning equipment under warranty, use the original packaging the hardware came in. The original packaging contains the device serial number and order details, which may be needed for return shipping.
Common Event Log Messages
Common event logs exist for security appliance events. As such, no specific C8355-G2-MX event log entries are required at this time.
For more general information about navigating the Event Log and the types of Events that could be expected refer to Event Log documentation.

