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MS355 Series

Multi-Gigabit stackable access switches

with 40G uplinks,

designed for high performance enterprise and campus networks



The Cisco Meraki MS355 series provides full 10G multi-gigabit (mGig) access switching for demanding enterprise and campus environments.
The switch series features a high mGig port density for 802.11ax wireless access points, servers, and workstations. The family supports 40G or 10G uplinks, physical stacking, up to 60W of port power with UPoE, and field replaceable power supplies/fans.
All Meraki switches are managed through an elegant, intuitive cloud-based interface, rather than cryptic command line.
To bring up a Meraki switch, simply plug it in. Meraki switches do not require CLI for switch configuration or port management.
Meraki’s centralized management platform gives administrators granular visibility into their network. Our dashboard helps you keep track of every configuration change in your network with our detailed event and change logs.


Cloud management has a number of benefits that make it easier to build networks large and small:

  • Automatic email alerts from power loss, downtime, excessive Layer 1 errors, or configuration changesTrue zero-touch switch provisioning for rapid deployment across sites
  • Virtual stacking: manage up to thousands of ports from a single pane of glass, and without the need to physically stack
  • Application layer visibility with automatic operating system, client, and hostname fingerprinting.
  • Powerful live diagnostic tools such as packet capture and cable test to isolate and troubleshoot network issues.
  • Alerts upon power loss, downtime, or configuration changes.
  • Role-based administration and automatic, scheduled firmware upgrades over the web.
  • Regular feature updates and enhancements delivered on demand from the Meraki cloud.

Product Highlights

  • Available models with up to 24 full 10G mGig ports for 802.11ax access points, servers, and workstations
  • Multi-gigabit (mGig) ports support 100M/1/2.5/5/10G of bandwidth over copper cabling
  • Access switching with up to 48 ports and 740W of UPoE support
  • 40G or 10G uplink interfaces on all models
  • Dual stacking interfaces with 400 Gbps of bandwidth
  • Support for field replaceable, redundant power supplies
  • Up to 688 Gbps of switching capacity
  • 6 configurable QoS queues for converged voice, video, and data applications
  • Integrated mounting brackets for rack mounting
  • Lifetime hardware warranty and advanced replacement at no additional cost
  • MS355-24X:
    • 8 × 100M/1/2.5/5/10G Ethernet RJ45
    • 16 × 1G Ethernet RJ45
  • MS355-48X:
    • 16 × 100M/1/2.5/5/10G Ethernet RJ45
    • 32 × 1G Ethernet RJ45
  • MS355-24X2:
    • 24 ×100M/1G/2.5G/5/10G Ethernet RJ45 
  • MS355-48X2:
    • 24 × 100M/1/2.5/5/10G Ethernet RJ45
    • 24 × 1G Ethernet RJ45
  • All MS355 Models:
    • 4 × 10G SFP+
    • 2 × 40G QSFP+ uplinks
    • 2 × 100G QSFP28 stacking ports
    • Auto negotiation and crossover detection
Hardware platform
  • Reliable platform with 24/7 Meraki Support
  • Clean lines and beautiful design
  • Voice and video QoS
  • Non-blocking switch fabric
Power over Ethernet (for PoE models)
  • All models include 740W PoE
  • Up to 30W per 1G port
  • Up to 60W per mGig port
  • Modular power supply/fans
Cloud management
  • Email alerts for switch management
  • Remote troubleshooting tools
  • Manage ports from a GUI-based dashboard
  • Zero-touch provisioning
  • Per-port and per-client usage statistics
  • Secure, user-scheduled firmware updates
Switching capabilities
  • Layer 3
  • Warm spare redundancy (VRRP)
  • OSPF Routing
  • MAC forwarding entries, up to 32K
  • DHCP Server, DHCP Relay
  • 802.1X Authentication
  • DHCP Snooping
  • STP Enhancements
  • IPv4 and IPv6 ACLs


  • 24 ports:
    • MS355-24X-HW
      • 8 x 100M/1G/2.5G/5/10G Ethernet
        RJ45 with auto negotiation and auto-
      • 16 x 1G Ethernet RJ45
    • MS355-24X2-HW
      • 24 x 100M/1G/2.5G/5/10G Ethernet
        RJ45 with auto negotiation and auto-
  • or 48 ports:
    • MS355-48X-HW
      • 16 x 100M/1G/2.5G/5/10G Ethernet
        RJ45 with auto negotiation and auto-
      • 32 x 1G Ethernet RJ45
    • MS355-48X2-HW
      • 24 x 100M/1G/2.5G/5/10G Ethernet
        RJ45 with auto negotiation and auto-
      • 24 x 1G Ethernet RJ45
  • all variations have:
    • 4 × 10G SFP+
    • 2 × 40G QSFP+ uplinks
    • 2 × 100G QSFP28 stacking ports
    • Auto negotiation and crossover detection
  • Managed via the Web with the Meraki cloud management platform
  • Integrated with Meraki Wireless and complete portfolio of IT products and solutions
  • Zero-touch remote provisioning (no staging needed)
  • Detailed historical per-port and per-client usage statistics
  • Operating System, device, and hostname fingerprinting
  • SNMP and SYSLOG support for integration with other network management solutions
  • Automatic firmware upgrades with scheduling control
Remote Diagnostics
  • Email, SMS and Mobile push notification alerts
  • Ping, traceroute, cable testing, and link failure detection with alerting
  • Remote packet capture
  • Dynamic and interactive network discovery and topology
  • Combined event and configuration change logs with instant search


  • Physical stacking of up to 8 switches with 400 Gbps stacking bandwidth on all models
  • Virtual Stacking supports thousands of switch ports in a single logical stack for unified management, monitoring, and configuration
Ethernet Switching Capabilities
  • 802.1p Quality of Service, 8 queues (w/ 6 configurable for DSCP-to-CoS mapping)
  • 802.1Q VLAN and trunking support for up to 4,094 VLANs
  • 802.1w, 802.1D Rapid Spanning Tree Protocol (RSTP, STP)
  • STP Enhancements: BPDU guard, Root guard, Loop guard, UDLD
  • Broadcast storm control
  • 802.1ab Link Layer Discovery Protocol (LLDP) and Cisco Discovery Protocol (CDP)
  • 802.3ad Link aggregation with up to 8 ports per aggregate, Multichassis aggregates supported on stacked switches
  • Port mirroring
  • IGMP snooping for multicast filtering
  • MAC forwarding entries: 32K
  • Integrated multi-factor authentication for Dashboard management
  • Role-based access control (RBAC) with granular device and configuration control
  • Corporate-wide password policy enforcement
  • IEEE 802.1X RADIUS and MAB, hybrid authentication, and RADIUS server testing
  • Single-Host/Multi-Domain/Multi-Host/Multi Authentication
  • Port security: Sticky MAC, MAC whitelisting
  • DHCP snooping, detection and blocking, Dynamic ARP Inspection
  • IPv4 and IPv6 ACLs
  • Switching capacity:
    • MS355-24X: 352 Gbps
    • MS355-48X: 544 Gbps
    • MS355-24X2: 640 Gbps
    • MS355-48X2: 688 Gbps
  • Forwarding rate: 
    • MS355-24X: 262 mpps
    • MS355-48X: 405 mpps
    • MS355-24X2: 476 mpps
    • MS355-48X2: 512 mpps
  • Jumbo frame support (9600 byte Ethernet frame)
  • Flow control support
Layer 3
  • Static routing, OSPFv2
  • Multicast routing
  • Warm spare (VRRP)
  • DHCP Relay, DHCP Server
  • Power input: 100-240 VAC, 47-63 Hz
  • Power consumption: 110-1793 W max
  • 48V DC 802.3af/802.3at Power-over-Ethernet (PoE/PoE+/UPoE) available on all ports (maximum of 60W per port for UPoE) for powered switches
  • 1U rack-mountable with included rack mount hardware
  • 4 post rack mount support
  • Operating temperature: 0°C to 45°C
  • Humidity: 5 to 95% non-condensing
  • Variable speed fans
  • CSA-US (US, Canada)
  • FCC (USA)
  • IC (Canada)
  • CE (Europe)
  • RCM (Australia/New Zealand)
  • RoHS
  • For international availability, please contact
  • Full lifetime hardware warranty with next-day advanced replacement included
MTBF (at 25°C)
  • MS355-24X-HW 369,317
  • MS355-48X-HW 343,134
  • MS355-24X2-HW 341,154
  • MS355-48X2-HW 330,228
Physical Specifications (H×W×D); Weight
  • MS355-24X-HW :
    • 1.72” x 19.08” x 20.34” (4.37 x 48.46 x 51.66cm)
    • 12.30 lb (5.58 kg)
  • MS355-48X-HW 343,134: 
    • 1.72” x 19.08” x 20.34” (4.37 x 48.46 x 51.66cm)
    • 13.00 lb (5.90 kg)
  • MS355-24X2-HW
    • 1.72” x 19.08” x 20.34” (4.37 x 48.46 x 51.66cm)
    • 12.08 lb (5.90 kg)
  • MS355-48X2-HW 
    • 1.72” x 19.08” x 20.34” (4.37 x 48.46 x 51.66cm)
    • 13.14 lb (5.96 kg)

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