WS-C3850-12XS-S, Cisco Catalyst Switch, 12xSFP/SFP+ 1G/10G/IP Base

What are the different types of licenses in the Cisco Catalyst 3850?

There are two main types of Cisco Catalyst 3850 license: permanent RTU license and evaluation RTU license. These are available for both image-based licensing (IP Base or IP Services) and AP count licensing. A permanent RTU license is a paid license, with no expiration date. The universal Cisco IOS XE Softwarebased images have all three license levels: LAN Base, IP Base, and IP Services. RTU CLI commands enable the switch license to be moved between different license levels. An evaluation RTU license allows the customers to evaluate image-based and/or AP count license for 90 days at no cost.

What is SSO technology?

The Cisco SSO technology synchronizes the Layer 2/3 and wireless tunnel protocol state machines from Active to Standby stack switch. During Active switch switchover the Standby switch performs graceful-recovery with neighbors without disrupting network topology.

Can the Cisco Catalyst 3850 act as a wired switch?

The Cisco Catalyst 3850 switch can act as a wired switch as well as a converged wired wireless switch.

 Can both console ports be used simultaneously?

No. When the USB console is used, the RJ-45 console receives the output of the USB console as well. This design allows the administrator to see when the USB console port is in use. This capability is useful for remote administrators.

What management ports are available on the Cisco Catalyst 3850?

The Cisco Catalyst 3850 comes with a 10/100 Ethernet dedicated management port on the backside of the switch right above the console port. This port is in separate VRF called “Mgmt-vrf.” This is to segment the management traffic from the global routing table of the switch.

Does the Cisco Catalyst 3850 support 802.1ae on downlink ports?

The Cisco Catalyst 3850 is hardware capable for 802.1ae on all ports on the switch. Software support will be available later.

How do you manage the Cisco Catalyst 3850?

The Cisco Catalyst 3850 can be managed using the Cisco IOS Software CLI or using Cisco Prime ™ Infrastructure 2.0.

Does the Cisco Catalyst 3850 10G SFP+ 48-port switch support uplink modules?

No. It has 4 fixed 40G QSFP ports for uplinks. This is not field-replaceable.

What are the supported uplink modules in the Cisco Catalyst 3850?

The Cisco Catalyst 3850 supports the following uplink modules:
● 4 x 1GE network module
● 2 x 1/10GE network module
● 4 x 1/10GE network module (can be used for the 48-port RJ-45 models and for the 12-port (or higher) 10‑gigabit-capable models)
● 8 x 10GE network module (can be used on the 24-port and 48-port multigigabit switch and also on the 24‑port 10G SFP+ switch)
● 2 x 40GE network module (can be used on the 24-port and 48-port multigigabit switch and also on the 24‑port 10G SFP+ switch)

How can I upgrade IP Base to IP Services

You can purchase L-C3850-12-S-E (C3850-12 IP Base to IP Services Electronic RTU License).

How many Cisco Catalyst 3850 switches can make up a Cisco StackPower stack?

Up to four switches can become part of the same Cisco StackPower stack in a ring topology.

Is StackWise-480 installation plug and play?

Yes. To provide nonstop business communication, the Cisco Catalyst 3850 switch insertion and removal process in a StackWise-480 ring is hot swappable.

What is the difference between WS-C3850-12XS-S and WS-C3850-12S-S?

WS-C3850-12XS-S supports 12 ports of 10G SFP+ Ethernet fiber, while WS-C3850-12XS-S supports 12 ports of SFP Ethernet fiber.

What are the supported uplink modules in the WS-C3850-12XS-S?

The WS-C3850-12XS-S supports 4 x 1/10GE network module (can be used for the 48-port RJ-45 models and for the 12-port (or higher) 10‑gigabit-capable models)

How cost-effective is the WS-C3850-12XS-S?

The WS-C3850-12XS-S combines several features such as 12 SFP/SFP+ ports and stackability, offering excellent value for money for solutions needing scalability and performance.

What are the key features of WS-C3850-12XS-S?

This switch includes 12 SFP/SFP+ ports, supports both 1G and 10G speeds, has IP Base features, and functions as a wireless controller.

In what scenarios is the WS-C3850-12XS-S used?

This switch is ideal for enterprise networks needing high-speed aggregation, reliable performance, and scalability.

How do I install the WS-C3850-12XS-S?

The WS-C3850-12XS-S can be installed in a standard 19-inch rack and comes with setup instructions for easy deployment.

Does the WS-C3850-12XS-S need frequent upgrades?

The WS-C3850-12XS-S features Cisco IOS Software, which may require periodic updates to ensure optimal security and functionality.

Are there alternative products to the WS-C3850-12XS-S?

Alternatives include other models in the Cisco Catalyst 3850 series or models from the Cisco Catalyst 9300 series for more advanced features.

What common issues might I encounter with the WS-C3850-12XS-S?

Users may face issues related to firmware updates or configuration, which can often be resolved with Cisco's support documentation and tools.

What accessories are available for the WS-C3850-12XS-S?

Accessories include stacking cables, SFP/SFP+ modules, and power supply options for redundancy.

How does the WS-C3850-12XS-S compare to other switches?

Compared to similar switches, the WS-C3850-12XS-S offers excellent stacking capabilities and integrated wireless controller functions, making it suitable for complex network environments.

Can the WS-C3850-12XS-S be managed remotely?

Yes, the WS-C3850-12XS-S is a managed switch and can be controlled remotely via Cisco's management tools and interfaces.

Is the Cisco C3850-12XS-S cost-effective?

Yes, the WS-C3850-12XS-S offers excellent value with 12 SFP/SFP+ ports and integrated wireless controller capabilities. It caters to both 1G and 10G, making it versatile and a great investment.

What are the key features of the WS-C3850-12XS-S?

The WS-C3850-12XS-S features 12 SFP/SFP+ ports, supports 1G/10G speeds, has an IP Base image, is a managed switch and includes a built-in wireless controller.

What are typical application scenarios for the WS-C3850-12XS-S?

The WS-C3850-12XS-S is ideal for enterprise environments requiring high-speed connections and integration of wired and wireless networks.

How do I install the WS-C3850-12XS-S switch?

Follow Cisco's installation guide which includes rack mounting instructions, power up sequence, and initial configuration steps for the WS-C3850-12XS-S.

Does the WS-C3850-12XS-S need frequent upgrades?

Not frequently. Firmware upgrades for the WS-C3850-12XS-S are typically released by Cisco to enhance features and security. Always check Cisco's official site for updates.

Are there alternative products to the WS-C3850-12XS-S?

Similar alternatives include the Cisco Catalyst 9300 Series, depending on your specific requirements for port density and features.

What common issues might I face with the WS-C3850-12XS-S?

Common troubleshooting steps for the WS-C3850-12XS-S include checking port connectivity, ensuring proper firmware levels, and verifying configuration settings.

What accessories are available for WS-C3850-12XS-S?

Accessories include rack mount kits, power supply units, stacking cables, and SFP/SFP+ modules compatible with the WS-C3850-12XS-S.

How does WS-C3850-12XS-S compare to other switches?

The WS-C3850-12XS-S provides a balance of high performance and integrated wireless control, which is advantageous compared to similar Layer 3 switches.

Can the WS-C3850-12XS-S be used in a stackable configuration?

Yes, the WS-C3850-12XS-S supports stackable configurations, allowing multiple switches to function as a single logical unit, enhancing manageability and scalability.

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