The WS-C3850-48P-L is a Cisco Catalyst 3850 series switch that is designed for use in enterprise networks and data centers. It is a stackable, enterprise-class switch that has 48 Gigabit Ethernet ports, making it suitable for connecting a wide range of networking devices, such as computers, servers, and printers.
Some of the key features of the WS-C3850-48P-L include:
- High-speed performance: The switch is capable of delivering fast networking speeds of up to 1 Gbps (gigabit per second) per port.
- Stackable design: The switch can be stacked with other Cisco Catalyst 3850 series switches, allowing you to easily expand your network as needed.
- Advanced features: The switch has a number of advanced features, such as Quality of Service (QoS), security features, and EnergyWise technology, which helps to reduce power consumption.
- Manageability: The switch is "manageable," meaning that it can be configured and monitored using various management tools and protocols, such as SNMP (Simple Network Management Protocol) and Telnet.
The Cisco Catalyst 3850 series switches, including the WS-C3850-48P-L model, are designed for enterprise-level networks and offer a wide range of deployment scenarios depending on the specific needs of the network. Here are some of the common deployment scenarios for the WS-C3850-48P-L switch:
- Access Switch Deployment: In this scenario, the WS-C3850-48P-L switch is deployed as an access switch to provide network connectivity to end-user devices such as computers, printers, and IP phones. The switch is typically connected to a distribution switch or a core switch to access the rest of the network.
- Distribution Switch Deployment: The WS-C3850-48P-L switch can also be deployed as a distribution switch in medium-sized enterprise networks. In this scenario, the switch is connected to the core switch and other access switches to provide connectivity to the end-user devices.
- Core Switch Deployment: In larger enterprise networks, the WS-C3850-48P-L switch can be used as a core switch. The switch is connected to the distribution switches and provides high-speed connectivity to the rest of the network.
- Wireless Controller Deployment: The WS-C3850-48P-L switch also has integrated wireless LAN controller capabilities, which makes it suitable for wireless network deployment. In this scenario, the switch acts as a wireless controller and provides connectivity to wireless access points.
- Stackable Deployment: The WS-C3850-48P-L switch can be stacked with other switches in the Cisco Catalyst 3850 series to form a single logical switch. This provides scalability and simplifies network management.
Environmental and Power Requirements
The WS-C3850-48P-L Cisco Catalyst 3850 switch has specific environmental and power requirements that must be considered when deploying the switch in a network. Here is an overview of these requirements:
- Temperature: The switch operates within a temperature range of 0°C to 45°C (32°F to 113°F) and should be stored within a temperature range of -40°C to 70°C (-40°F to 158°F).
- Humidity: The operating humidity range is 5% to 95% non-condensing.
- Altitude: The switch can operate up to 10,000 feet (3,000 meters) above sea level.
- Airflow: Sufficient airflow is necessary to keep the switch operating within the recommended temperature range. The switch should be installed in a well-ventilated area with adequate space around it.
- Power Supply: The WS-C3850-48P-L switch requires an AC power supply that operates at a voltage range of 100V to 240V AC.
- Power Consumption: The switch has a maximum power consumption of 715 watts with all ports active and the maximum PoE power drawn by devices connected to the switch is 435 watts.
- Power Redundancy: The switch supports power redundancy through the use of a second power supply. The second power supply can be installed to provide redundant power to the switch in case of a power supply failure.
General Information about this Cisco WS-C3850-48P-L
- Manufacturer: Cisco
- Part Number or SKU# WS-C3850-48P-L
- Product Series: 3850
- Product Type: Ethernet Switch
Key Features of Manageable Switch
- Number of Ports: 48 Ports Managed Stackable
- Enclosure Type: Desktop, Rack-mountable - 1u
- Interfaces: Gigabit Ethernet
- Layer Supported: 2
- Ports: 48 X 10/100/1000 (poe+)
- Power Over Ethernet (poe): Poe+
- Poe Budget: 435 Watt
Performance for Poe+ Switch
- Media Type Supported: Twisted Pair
- Twisted Pair Cable Standard Category 5e
- Ethernet Technology: Gigabit Ethernet
- Network Technology: 10/100/1000Base-T
Operating environment of L2 Gigabit Ethernet Switch
- Normal operating temperature and altitudes:
- -5ºC to +45ºC, up to 5000 feet (1500m)
- -5ºC to +40ºC, up to 10,000 feet (3000m)
- Minimum ambient temperature for cold start is 32°F (0°C)
- Short-term exceptional conditions:
- -5ºC to +50ºC, up to 5000 feet (1500m)
- -5ºC to +45ºC, up to 10,000 feet (3000m)
- -5ºC to +45ºC, at sea level with single fan failure
- Not more than following in one-year period: 96 consecutive hours, or 360 hours total, or 15
- Auto-negotiation, Arp Support, Trunking, Vlan Support, Auto-uplink (auto Mdi/mdi-x), Igmp Snooping, Syslog Support, Ipv6 Support, Rapid Spanning Tree Protocol (rstp) Support, Multiple Spanning Tree Protocol (mstp) Support, Dhcp Snooping, Dynamic Trunking Protocol (dtp) Support, Port Aggregation Protocol (pagp) Support, Trivial File Transfer Protocol (tftp) Support, Access Control List (acl) Support, Quality Of Service (qos), Radius Support, Virtual Route Forwarding-lite (vrf-lite), Mld Snooping, Dynamic Arp Inspection (dai), Poe+, Stp Root Guard, Uni-directional Link Detection (udld), Rapid Per-vlan Spanning Tree Plus (pvrst+), Ipv4 Support, Shaped Round Robin (srr), Link Aggregation Control Protocol (lacp), Remote Switch Port Analyzer (rspan), Layer 3 Load Balancing, Energy Efficient Ethernet, Cisco Stackwise-480 Technology, Cisco Stackpower Technology, Flexible Netflow (fnf)
- Ieee 802.3, Ieee 802.3u, Ieee 802.3z, Ieee 802.1d, Ieee 802.1q, Ieee 802.3ab, Ieee 802.1p, Ieee 802.3af, Ieee 802.3x, Ieee 802.3ad (lacp), Ieee 802.1w, Ieee 802.1x, Ieee 802.1s, Ieee 802.3at
- RAM: 4 GB (8 GB on 48-port SFP+ model)
- Flash Memory: 2 GB (4 GB on 12-port and 24-port SFP+ models, 8 GB on 48-port SFP+ model)
Network Modules Selection
- C3850-NM-4-1G: 4 x 1G uplinks network module
- C3850-NM-4-10G: 4 x 10G uplinks network module
- C3850-NM-2-10G: 2 x 10G or 4 x 1G uplinks network module
- Customers can provide power to a switch by using either the internal power or StackPower from another member in the power stack. The connectors are located at the back of the switch. Internal power supply connector: The internal power supply is an autoranging unit. The internal power supply supports input voltages between 100 and 240VAC. Use the supplied AC power cord to connect the AC power connector to an AC power outlet.
Product Dimensions & Weight
- Height: 1.75 inch
- Width: 17.5 inch
- Depth: 17.7 inch
- Weight: 17.40 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
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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