More Information of this Item
The WS-C2955T-12 Cisco Catalyst 2955T 12-port switch is a managed Layer 4 switch, meaning it can perform advanced routing and traffic management based on Layer 4 (transport layer) information such as port and protocol. It has 12 Fast Ethernet ports, which supports 100Mbps of data transfer rate. It is rack-mountable, making it suitable for installation in a standard equipment rack.
The switch can be managed through a web interface or the command-line interface (CLI) using Cisco's proprietary iOS software. It provides a wide range of features for network management, security, and reliability. It supports wire-speed performance and has redundant power supplies for added protection against power failures. Additionally, it has a feature called Cisco StackWise technology that allows multiple switches to be connected together and managed as a single entity, providing redundancy and failover in case of a switch failure.
The switch also includes security features such as Access Control Lists (ACLs) and IEEE 802.1x authentication to protect against unauthorized access and malicious activity.
Performance and Reliability
The WS-C2955T-12 Cisco Catalyst 2955T 12-port switch is designed to deliver high performance and reliability in enterprise network environments. The switch provides up to 48Gbps of switching capacity and supports wire-speed performance on all ports. It also supports advanced traffic management features such as Quality of Service (QoS) and access control lists (ACLs) to help ensure that critical network traffic is prioritized and secure.
In terms of reliability, the switch has a number of features that contribute to its ability to maintain uptime and availability. It supports Cisco's Redundant Power System (RPS) for providing power redundancy, which can help prevent network downtime in case of power supply failure. The switch also supports Cisco's StackWise technology, which allows multiple switches to be connected and managed as a single logical unit, providing redundancy and increased scalability. Additionally, the switch is designed with a robust, rack-mountable metal housing, which can help protect it against physical damage.
The model Cisco Catalyst 2955T 12-port switch is compliant with several industry standards that ensure compatibility and interoperability with other networking equipment. Some of the compliant standards are:
- IEEE 802.3: This standard defines the physical layer and data link layer of Ethernet networks. The switch is compliant with IEEE 802.3u (Fast Ethernet) and IEEE 802.3z (Gigabit Ethernet) standards.
- IEEE 802.1D: This standard defines the spanning tree protocol (STP) which allows the switch to prevent loops in the network when multiple paths to a destination exist.
- IEEE 802.1Q: This standard defines virtual LANs (VLANs) which allow the switch to segment the network into multiple virtual networks, providing isolation and security.
- IEEE 802.1p: This standard defines quality of service (QoS) which allows the switch to prioritize different types of traffic based on their importance.
- IEEE 802.1x: This standard defines port-based network access control which allows the switch to authenticate users before granting them access to the network.
- SNMP: Simple Network Management Protocol (SNMP) is a standard protocol used for network management. The switch supports SNMP v1, v2c and v3, allowing it to be managed and monitored by network management systems.
- RSTP (Rapid Spanning Tree Protocol)
- MSTP (Multiple Spanning Tree Protocol)
By being compliant with these standards, the WS-C2955T-12 Cisco Catalyst 2955T 12-port switch can be easily integrated into existing networks and can communicate with other equipment that conforms to these standards.
Manufacturer Cisco Systems, Inc
Product Line Catalyst
Product Series 2955
Product Model 2955T-12
Product Name Catalyst 2955T-12 Ethernet Switch
Product Type Ethernet Switch
Interfaces / Ports:
Total Number of Network Ports 12
Uplink Port Yes
Number of Network (RJ-45) Ports 12
Port/Expansion Slot Details 12 x Fast Ethernet Network
Port/Expansion Slot Details 2 x Gigabit Ethernet Uplink
Media Type Supported Twisted Pair
Twisted Pair Cable Standard Category 5
Ethernet Technology Fast Ethernet
Network Technology 10/100/1000Base-T
Network & Communication
Layer Supported 4
Management & Protocols
Cisco Cluster Management Suite (CMS) Software
Web browser support
Simple Network Management Protocol (SNMP)-based network management platforms such as CiscoWorks
An embedded Remote Monitoring (RMON) software agent supports four RMON groups (history, statistics, alarms, and events) for enhanced traffic management, monitoring, and analysis
Remote SPAN (RSPAN)
Trivial File Transfer Protocol (TFTP)
Network Timing Protocol (NTP)
Flash Memory 16 MB
MTBF 235022 Hour
Input Voltage 110 V AC
Input Voltage 220 V AC
Power Source AC Adapter
Redundant Power Supply Yes
Dimensions & Weight
Form Factor Rack-mountable
Height 3.8 Inch
Width 8.1 Inch
Depth 5 Inch
Weight (Approximate) 3 lb
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 configuration 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 of 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 Categories For - Networking - Switch
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