Cisco Catalyst 3850 switches are considered campus access devices. They are capable of operating at Layers 2 and 3 and are stackable. They offer convergence between wired and wireless networks by integrating an access point (AP) controller, making them ideal for environments where access via both media is required.
Cisco 3850 switches implement multigigabit technology. This technology increases the capacity of wired networks; on networks that were originally unable to operate at speeds exceeding 1 Gbps (Cat5e), multigigabit technology allows for increased capacity—up to 5 Gbps on Cat5e and 10 Gbps on Cat6—without the need for new cabling investments.
Another technology implemented by the
Cisco 3850 is StackPower, which allows the power supplies of switches in a stack to power other switches that are part of the stack. This provides redundancy in the event of a power issue with any of the devices’ power supplies and helps optimize resources.
The Cisco 3850 Series switches also support Cross-Stack EtherChannel, which increases network redundancy. Cross-Stack EtherChannel allows port groups to be formed using different members of a stack. Thus, if a switch in the stack fails, traffic on the port channel will continue to flow through the remaining switches in the stack that are part of the Etherchannel.
The Cisco 3850 series offers three licensing tiers, which are:
- LAN BASE: Which basically supports Layer 2 features and protocols
- IP BASE: Supports basic Layer 3 features and protocols
- IP SERVICES: Supports advanced Layer 3 features and protocols
A license is also required for the APs when the Cisco Catalyst 3850 switch is operating in controller mode.
The
Cisco 3850 switch series is also part of the Cisco DNA portfolio of devices designed for network automation, virtualization, and data analytics, enabling business objectives to be achieved quickly and effectively—including lower installation and operating costs.
Key Features of Cisco 3850 Switches
Among the various models in Cisco's Catalyst 3850 switch series, the following features stand out:
- Integrated controller capable of handling up to 40G of Wi-Fi traffic (48-port model)
- Integrated controller capable of supporting up to 100 access points and 2,000 Wi-Fi clients in a single unit (switch or stack)
- 24 and 48 10/100/1000 Mbps PoE+ ports
- 24 and 48 ports at 100 Mbps/1/2.5/5/10 Gbps
- 12 and 24 1-Gigabit Ethernet SFP ports
- 12 and 24 10 Gigabit Ethernet SFP+ ports
- 48 1/10 Gbps ports and 4 40 Gigabit Ethernet uplinks
- Optional uplink modules with 4 x Gigabit Ethernet, 2 x 10 Gigabit Ethernet, 4 x 10 Gigabit Ethernet, 8 x 10 Gigabit Ethernet, or 2 x 40 Gigabit Ethernet QSFP+ ports
- Redundant source
- Cisco Stackpower
- Cisco StackWise-480
- Full PoE+
- Cisco UPOE with up to 60 W per port
- Different licensing tiers to meet your needs
In short, the Cisco 3850 Series switches are capable of providing everything an access device needs to meet the current demands of communications networks.
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