WS-C3850-12XS-E, Cisco Catalyst C3850 Switch, 12xSFP/SFP+, Layer 3, Stackable

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.

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.

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.
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.

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)

What are the unique features of the Cisco Catalyst WS-C3850-12XS-E?

The Cisco Catalyst WS-C3850-12XS-E features 12 SFP/SFP+ ports, offering both 1G and 10G connections. It is a stackable Layer 3 switch with robust IP Services and an integrated wireless controller.

How cost-effective is the Cisco Catalyst WS-C3850-12XS-E?

Considered a high-performance switch, the WS-C3850-12XS-E provides excellent value through advanced features such as stackability, integrated wireless control, and multiple high-speed ports, which reduces the need for additional hardware.

What is the ideal application scenario for the WS-C3850-12XS-E?

The WS-C3850-12XS-E is ideal for data centers, enterprise networks, and campus deployments requiring high-speed connectivity, advanced IP Services, and integrated wireless capabilities.

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

The WS-C3850-12XS-E can be installed on a standard rack using the included mounting kit. Connect the power supplies and network cables, configure the software settings via CLI or WebUI, and ensure proper stacking if applicable.

Does the WS-C3850-12XS-E require software upgrades?

Yes, to maintain optimal performance and security, it's recommended to keep the WS-C3850-12XS-E's software and firmware up-to-date using Cisco's downloadable updates.

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

Alternatives to the WS-C3850-12XS-E include other models in the Catalyst 3850 series, such as the WS-C3850-24XS-E, which offers more ports but similar features.

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

Available accessories include power supply modules, fan modules, network modules, stacking cables, and rack-mount kits for the WS-C3850-12XS-E switch.

How does the WS-C3850-12XS-E compare to similar Cisco switches?

The WS-C3850-12XS-E stands out due to its 12 SFP/SFP+ ports, integrated wireless controller, and comprehensive IP Service feature set, offering a balance of performance and functionality compared to other models.

What should I do if the WS-C3850-12XS-E is not powering on?

Ensure that the power cables are firmly connected and check the power supply units. If the issue persists, try swapping the power supplies and verify that the power outlet is functional.

What network speeds does the WS-C3850-12XS-E support?

The WS-C3850-12XS-E supports network speeds of 1Gbps and 10Gbps via its 12 SFP/SFP+ ports, catering to high-speed data transfer requirements.

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

The WS-C3850-12XS-E offers a balance of price and advanced features, ideal for medium to large enterprises.

What are the main features of the WS-C3850-12XS-E?

The WS-C3850-12XS-E includes 12 SFP/SFP+ ports, Layer 3 functionality, stackability, and a built-in wireless controller.

Where can the WS-C3850-12XS-E be used?

The WS-C3850-12XS-E is best suited for enterprise access, distribution, and core layers.

How to install the WS-C3850-12XS-E?

Install the WS-C3850-12XS-E by mounting it in a standard 19-inch rack and connecting it to your network.

Does the WS-C3850-12XS-E require upgrades?

It is advisable to keep the firmware of the WS-C3850-12XS-E updated for optimal performance and security.

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

Similar alternatives include the Cisco Catalyst 9300 series switches.

What are common troubleshooting steps for the WS-C3850-12XS-E?

Common troubleshooting steps include checking cable connections, verifying port configurations, and reviewing system logs.

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

Available accessories include stack modules, power supplies, and SFP/SFP+ transceivers.

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

The WS-C3850-12XS-E includes advanced Layer 3 features and integrated wireless capability, setting it apart from basic switches.

How to manage the WS-C3850-12XS-E switch?

Manage the WS-C3850-12XS-E via the Cisco IOS command-line interface (CLI) or Cisco DNA Center for centralized management.

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