Advanced Security Features of Ethernet Switch
The WS-C2912-LRE-XL Cisco Catalyst 16-port Ethernet switch provides advanced security features to help protect the network from unauthorized access and malicious attacks. Some of these security features include:
- Access Control Lists (ACLs): ACLs allow administrators to define and enforce granular security policies by blocking or permitting access to specific network resources based on IP addresses, protocols, and port numbers.
- Port Security: Port security helps to prevent unauthorized access by limiting the number of MAC addresses that are allowed to connect to a particular switch port. This helps to prevent rogue devices from accessing the network.
- VLAN Support: The switch supports Virtual LANs (VLANs), which help to segment the network into different broadcast domains. This allows for more secure and efficient communication between different departments or groups within an organization.
- 802.1x Authentication: The switch supports 802.1x authentication, which provides a secure method for users to authenticate to the network. This helps to prevent unauthorized access and ensures that only authorized users are able to access network resources.
- SSH/SSL Encryption: The switch supports secure shell (SSH) and secure socket layer (SSL) encryption, which helps to ensure that all network communication is encrypted, even when the switch is managed remotely. This helps to prevent unauthorized access and data theft.
These advanced security features provide a high level of protection for the network and help to ensure that sensitive information remains secure.
Remote Management and Access
The WS-C2912-LRE-XL Cisco Catalyst 16 Ports Ethernet Switch supports remote management and access for ease of maintenance and configuration. This can be achieved through:
- Command Line Interface (CLI) - A command line interface can be accessed through Telnet, SSH or console port for configuration and management of the switch.
- Simple Network Management Protocol (SNMP) - The switch supports SNMP v1, v2c and v3, allowing remote monitoring of the switch's performance and status.
- Cisco Network Assistant - A graphical user interface that simplifies switch configuration and management, which can be accessed remotely through a web browser.
- Remote Monitoring (RMON) - The switch supports RMON for remote monitoring of network performance and usage.
- Web Interface - The switch provides a web interface for remote management and access to switch configuration, monitoring and management tools.
These features allow administrators to manage the switch remotely and ensure the availability and reliability of the network.
Hardware Specifications and Features
WS-C2912-LRE-XL is a Cisco Catalyst switch with the following hardware specifications and features:
- 16 Ethernet 10/100 ports
- 1 Gigabit Ethernet Expansion Slot
- 1RU Form Factor
- Internal Power Supply
- Redundant Fans
- LRE (Long Reach Ethernet) Technology for extended network reach up to 40 km
- VLANs for network segmentation
- Quality of Service (QoS) for prioritization of network traffic
- Layer 2 Switching for basic network connectivity
- Support for Spanning Tree Protocol (STP) for network loop prevention
- Support for Link Aggregation Control Protocol (LACP) for link aggregation
- Support for Dynamic Host Configuration Protocol (DHCP) for automatic IP assignment
Note: WS-C2912-LRE-XL is a legacy product and might not be available for purchase or support from Cisco.
General Information about this Cisco WS-C2912-LRE-XL
- Manufacturer Cisco Systems, Inc
- Manufacturer Part Number WS-C2912-LRE-XL
- Brand Name Cisco
- Product Line Catalyst
- Product Series 2900
- Product Model 2912-LRE-XL
- Product Name Catalyst 2912 LRE XL Ethernet Switch
- Product Type Ethernet Switch
- Total Number of Network Ports 12
- Number of Network (RJ-45) Ports 4
- Port/Expansion Slot Details 4 x Fast Ethernet Network
Media & Performance
- Media Type Supported Twisted Pair
- Twisted Pair Cable Standard Category 5
- Ethernet Technology Fast Ethernet
- Network Technology 10/100Base-TX
- Flash Memory 4 MB
- MTBF 135000 Hour
- Input Voltage 110 V AC
- Input Voltage 220 V AC
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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