The WS-C3850-48F-E is a fixed-configuration, stackable, enterprise-class switch that provides 48 Fast Ethernet ports and 4 Gigabit Ethernet uplink ports. It is part of the Cisco Catalyst 3850 series of switches, which is designed for enterprise-level networking in campus and branch environments.
The switch supports advanced features such as Layer 3 routing, Quality of Service (QoS), and Power over Ethernet (PoE). It is also energy efficient, with Energy Efficient Ethernet (EEE) and Cisco StackPower technology, which allows the switches in a stack to share power with each other.
Features and benefits
The Cisco 3850 is a 48-port layer 3 switch, meaning it is capable of routing traffic between VLANs (virtual local area networks) and can also perform many other functions of a traditional router. It can operate at very high speeds, with each port supporting data rates of up to 1 Gigabit per second. Additionally, the switch is able to support a number of advanced features such as Quality of Service (QoS), security, and virtualization.
Upgrading Your Ethernet Switch Firmware
Upgrading the firmware of a Cisco Catalyst 3850 Ethernet Switch like the WS-C3850-48F-E is an important task that should be done regularly to ensure the switch is running smoothly and has the latest security features.
Here are the steps to upgrade the firmware of the WS-C3850-48F-E:
- Before starting the firmware upgrade, it's important to back up your current configuration. This can be done by using the "copy running-config tftp" command to save the running configuration file to a TFTP server.
- Next, download the firmware upgrade file from the Cisco website. Make sure to download the correct version for your switch model and verify the MD5 hash to ensure the file has not been tampered with.
- Once you have the firmware upgrade file, transfer it to the switch using a TFTP server. You can use the "copy tftp flash" command to do this.
- After the firmware file has been transferred to the switch, you can begin the upgrade process by using the "software install file" command followed by the file name of the firmware upgrade file.
- The switch will then verify the upgrade file and ask if you want to proceed with the upgrade. Type "yes" to start the upgrade process.
- During the upgrade process, the switch will reload and install the new firmware. This may take several minutes.
- After the switch has finished upgrading, you can verify that the new firmware has been installed by using the "show version" command.
General Information about this Cisco Ethernet Switch
- Manufacturer: Cisco
- Model Number or SKU# WS-C3850-48F-E
- Product Line: Catalyst
- Product Series: 3850
- Product Type: Layer 3 Switch
Interfaces/Ports for 48 Ports Switch
- Total Number of Network Ports 48
- Token Ring Port: No
- LRE Port: No
- Bypass: No
- Modular: Yes
- Management Port: Yes
- USB: Yes
- Number of PoE+ (RJ-45) Ports: 48
- Stack Port: Yes
Media & Performance of Layer 3 Switch
- Media Type: Supported Twisted Pair
- Twisted Pair Cable Standard Category 5e
- Ethernet Technology: Gigabit Ethernet
- Network Technology: 10/100/1000Base-T
Network & Communication for Ethernet Switch
- Layer Supported: 3
- Standard Memory: 4 GB
- Memory Technology: DRAM
- Flash Memory: 2 GB
- MTBF: 241050 Hour
- PoE (RJ-45) Port Yes
- Input Voltage: 220 V AC
- Input Voltage: 110 V AC
- Power Source: Power Supply
- Redundant Power Supply: Yes
Dimension and Weight
- Width: 21.4 Inch
- Depth: 22 Inch
- Height: 9.1 Inch
- Weight: 15.00 LBS
- IEEE 802.1D Spanning Tree Protoco
- IEEE 802.1p CoS Prioritization
- IEEE 802.1Q VLAN
- IEEE 802.1s
- IEEE 802.1w
- IEEE 802.1X
- IEEE 802.1X-Rev
- IEEE 802.11
- IEEE 802.1ab (LLDP)
- IEEE 802.3ad
- IEEE 802.3x full duplex on 10BASE-T, 100BASE-TX, and 1000BASE-T ports
- IEEE 802.3 10BASE-T
- IEEE 802.3u 100BASE-TX
- IEEE 802.3ab 1000BASE-T
- IEEE 802.3z 1000BASE-X
- RMON I and II standards
- SNMP v1, v2c, and v3
- IEEE 802.3af and IEEE 802.3at
About Refurbished Products
Different Types of Switches
Networking switches vary widely depending on the number of devices they can support, network bandwidth/speed, and form factor. Switches for small offices will have anything between 4 and 8 ports and can fit on a desk. For larger office network implementation, switches may have 24 ports, 48 ports, 96 ports, and 128 ports and are rack-mountable between 1U and 4U. Switches come in different types depending on the network speed and tasks they support. These include 40/100 Gbps, 10 Gigabit (up to 10000 Mbps), Gigabit Ethernet (up to 1000 Mbps), Power over Ethernet, and Fast Ethernet (10/100 Mbps).
The unmanaged switches offer fixed configurations on a plug-and-play basis. It is the most basic switch and there are a few choices in the market. These switches are affordable, but the basic features make them inappropriate for enterprise applications.
The number of features and level of functionality improves with managed switches, making them ideal for enterprise and business applications. These switches are built with the command-line interface for ease of configuration. Equally, they support SNMP agents that come in handy when troubleshooting network issues.
The security on managed switches is better and will protect different types of traffic. Other features include support for virtual LANs, IP routing, and quality of service settings. Managed switches are more expensive compared to all other types of switches.
Smart switches refer to switches that possess more features than those unmanaged switches but do not have the full features of managed switches. Smart switches are more cost-effective than managed switches.
Some of the limitations of the smart switches are a lack of telnet access support, Web GUIs, and a lack of many features for VLANs. They are affordable compared to a fully managed switch and are suitable for a smaller computer network.
Modular switches allow the addition of expansion modules as the network expands. The expansion modules allow for more networked devices but are application-specific. They may include wireless access points, firewalls, or network analysis tools. The flexibility of a modular networking switch comes at a higher cost.
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Other Available Conditions for this Part
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