Cisco WS-C3750G-48TS-E Layer3 Manageable Switch 4 x Gigabit Ethernet SFP

CISCO Catalyst 3750G-48TS-E Switch Overview

The CISCO Catalyst 3750G-48TS-E switch is part of the renowned CISCO Catalyst 3750 series, offering a cutting-edge solution for optimizing LAN operations. Designed to deliver high performance with unmatched resilience, this switch integrates CISCO's StackWise technology, enabling users to create a unified, flexible network infrastructure that scales with ease.

Key Features and Advantages

• Industry-Leading StackWise Technology - The switch utilizes CISCO StackWise technology, featuring a 32 Gbps stack interconnect, which enables seamless integration of up to nine switches into one logical unit, delivering exceptional network resilience.
• High Availability - With advanced failover mechanisms, the system ensures continuous network operation, even during unexpected disruptions.
• Efficient LAN Operations - Enhances the efficiency of LAN operations with easy management and robust performance, supporting high-speed data transfer rates and multiple Ethernet protocols.

Hardware Specifications

• Device Type: Network Switch
• Ports: 48 Ethernet ports supporting 10BASE-T, 100BASE-TX, and 1000BASE-T
• Form Factor: 1U rack-mountable, space-saving design
• Memory: 128 MB RAM, 32 MB flash memory
• Weight: 14.1 lbs (6.4 kg)
• Power Supply: AC 110/230 V (50/60 Hz)

Connectivity and Expansion

• High-speed Ports - The switch features 48 Gigabit Ethernet ports, providing support for 10/100/1000 Mbps speeds for smooth data flow across large networks.
• SFP (Small Form-Factor Pluggable) Slots - Equipped with 4 mini-GBIC (SFP) slots for flexible network expansion and fiber optic connectivity.

Advanced Networking Features

• Layer 3 Switching - Supports IP routing and VLAN segmentation, ensuring efficient traffic management across the network.
• Auto-Sensing and Auto-Negotiation - Automatically detects connection speed and adjusts settings for optimal performance.
• IGMP Snooping - Enhances multicast traffic management, reducing unnecessary network congestion.
• IPv6 Ready - Fully compatible with next-generation IP protocols, ensuring future-proof network infrastructure.

Remote Management and Monitoring

• Multiple Management Protocols - The switch supports various protocols such as SNMP v1, v2c, v3, Telnet, and RMON for simplified network monitoring and control.
• DHCP Support - Automatically assigns IP addresses to devices for streamlined network configuration.

Resilience and Scalability

With StackWise technology, the CISCO Catalyst 3750G-48TS-E switch allows users to build a flexible and resilient network that grows with their needs. The stackable design ensures that additional switches can be integrated seamlessly, all managed as a single unit by a master switch. This ensures consistent network performance and easy scalability.

Why Choose the CISCO Catalyst 3750G-48TS-E?

• Delivers high-speed, reliable network connectivity with 48 Gigabit Ethernet ports.
• Combines ease of use with powerful management features, making it ideal for large-scale deployments.
• Offers advanced security features and robust support for IPv6, ensuring long-term infrastructure reliability.

Ports

The Cisco WS-C3750G-48TS-E Manageable Switch Layer3 offers an impressive 48 x 10/100/1000 ports along with 4 x Gigabit Ethernet SFP ports. This feature is crucial for users who require a high-performance network switch that can handle a large number of devices and heavy data traffic.

Increased Connectivity

With 48 x 10/100/1000 ports, this switch provides users with a multitude of options for connecting devices to their network. Whether it's computers, servers, printers, or other networking equipment, the ample number of ports ensures that users can easily accommodate their connectivity needs without having to resort to additional switches or routers.

Moreover, the 4 x Gigabit Ethernet SFP ports offer even more flexibility. These Small Form-Factor Pluggable (SFP) ports allow users to connect the switch to other devices using fiber-optic cables. Fiber-optic connections are known for their high-speed and long-distance transmission capabilities, making them ideal for interconnecting different parts of a network or extending network connectivity to remote locations.

High-Speed Data Transfer

The 48 x 10/100/1000 ports on the Cisco WS-C3750G-48TS-E support Gigabit Ethernet, which enables lightning-fast data transfer speeds of up to 1000 Mbps. This is particularly beneficial in environments where large files need to be transferred quickly or where real-time applications such as video conferencing or multimedia streaming are utilized.

By leveraging the Gigabit Ethernet technology, users can experience seamless and lag-free data transfer, ensuring that their network operates efficiently and effectively.

Scalability and Future-Proofing

Having a substantial number of ports on a manageable switch like the Cisco WS-C3750G-48TS-E allows for scalability and future-proofing of the network infrastructure. As businesses grow and more devices are added to the network, having extra ports readily available eliminates the need for costly upgrades or the purchase of additional equipment.

Additionally, the inclusion of Gigabit Ethernet SFP ports ensures compatibility with future networking technologies. As fiber-optic connectivity becomes more prevalent, having SFP ports on the switch guarantees that users can seamlessly integrate newer hardware into their existing network setup without any compatibility issues.

Features

The Cisco WS-C3750G-48TS-E Manageable Switch Layer3 comes packed with an extensive range of features that enhance network performance, security, and manageability. Let's explore some of the key features in detail:

Layer 3 Switching

Layer 3 switching is a vital feature that allows the switch to make routing decisions based on IP addresses. This capability enables the switch to act as both a switch and a router, eliminating the need for a separate router in certain scenarios.

By incorporating layer 3 switching, users can benefit from improved network efficiency, reduced latency, and simplified network design. It also enables advanced features such as access control lists (ACLs) for enhanced security and Quality of Service (QoS) for traffic prioritization.

Dynamic Host Configuration Protocol (DHCP) Support

DHCP support automates the process of assigning IP addresses to devices on a network. With DHCP enabled on the Cisco WS-C3750G-48TS-E, users no longer need to manually configure IP addresses for each device. This simplifies network administration and reduces the chances of human error.

By utilizing DHCP, network administrators can efficiently manage IP address allocation, ensuring that no two devices have conflicting addresses and avoiding potential network disruptions. It also simplifies adding new devices to the network as they can automatically obtain an IP address without any manual intervention.

VLAN Support

Virtual Local Area Networks (VLANs) are a fundamental feature of modern networking that allows the segmentation of a physical network into multiple logical networks. The Cisco WS-C3750G-48TS-E supports VLANs, enabling users to create separate broadcast domains and logically isolate devices based on their function, location, or security requirements.

VLANs offer numerous benefits, including improved network performance, enhanced security, simplified network management, and increased flexibility. By dividing a large network into smaller VLANs, users can limit broadcast traffic and improve overall network efficiency. VLANs also provide an additional layer of security by isolating sensitive devices or departments from the rest of the network.

Auto-Negotiation and ARP Support

Auto-negotiation is a feature that enables devices to automatically determine the best possible connection speed and duplex mode when connecting to the switch. This eliminates the need for manual configuration and ensures optimal performance between devices.

Address Resolution Protocol (ARP) support is essential for proper communication within a network. ARP is responsible for mapping IP addresses to MAC addresses, allowing devices to locate and communicate with each other. The inclusion of ARP support in the Cisco WS-C3750G-48TS-E ensures seamless communication between devices on the network.

Trunking and Auto-Uplink

Trunking is a technique that combines multiple physical links into a single logical link, increasing bandwidth and improving network reliability. The switch supports trunking, enabling users to aggregate multiple ports to create high-bandwidth connections between switches or routers.

Auto-uplink, also known as auto MDI/MDI-X, is a feature that simplifies the connection between switches or other networking devices. With auto-uplink enabled, users no longer need to worry about using crossover cables or manually configuring ports for correct connectivity. The switch automatically detects the type of cable being used and adjusts the port settings accordingly.

IGMP Snooping and Syslog Support

IGMP snooping is a feature that optimizes multicast traffic on a network. It allows the switch to intelligently forward multicast packets only to the devices that have requested them, reducing unnecessary network congestion. By supporting IGMP snooping, the Cisco WS-C3750G-48TS-E enhances network performance and ensures efficient multicast communication.

Syslog support is crucial for network monitoring and troubleshooting. It enables the switch to generate log messages containing important event information, such as system errors, security alerts, or configuration changes. By utilizing syslog support, network administrators can proactively monitor the network, identify potential issues, and take appropriate actions to maintain network stability and security.

Traffic Shaping and MAC Address Filtering

Traffic shaping is a technique used to control the flow of network traffic, ensuring that critical applications receive sufficient bandwidth while preventing non-essential traffic from consuming excessive resources. The Cisco WS-C3750G-48TS-E supports traffic shaping, allowing users to prioritize certain types of traffic and allocate bandwidth accordingly.

MAC address filtering is a security feature that allows or denies network access based on the MAC address of a device. By configuring MAC address filtering on the switch, users can prevent unauthorized devices from connecting to the network. This feature is particularly useful in environments where strict access control is required or where device authentication needs to be enforced.

Broadcast Storm Control and IPv6 Support

Broadcast storm control is a mechanism that prevents excessive broadcast or multicast traffic from overwhelming the network. It monitors broadcast traffic levels and takes corrective actions, such as dropping or throttling excessive broadcasts, to maintain network stability and prevent performance degradation.

With IPv6 support, the Cisco WS-C3750G-48TS-E ensures compatibility with the latest version of the Internet Protocol. IPv6 offers numerous advantages over its predecessor, IPv4, including a larger address space, improved security features, and enhanced support for mobile devices and IoT technologies. By supporting IPv6, the switch future-proofs the network and enables seamless integration with modern networking technologies.

Spanning Tree Protocols (STP, RSTP, MSTP)

Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), and Multiple Spanning Tree Protocol (MSTP) are essential features for preventing network loops and ensuring redundancy in switched networks. These protocols enable the switch to create a loop-free topology by selectively blocking redundant paths while keeping primary paths available for data transmission.

By supporting these spanning tree protocols, the Cisco WS-C3750G-48TS-E enhances network reliability and resilience. It ensures that if a link or switch fails, the network can quickly adapt and reroute traffic through alternate paths, minimizing downtime and maintaining uninterrupted connectivity.

DHCP Snooping, Dynamic Trunking Protocol (DTP), and Port Aggregation Protocol (PAgP)

DHCP snooping is a security feature that prevents rogue DHCP servers from distributing incorrect or malicious IP configurations on a network. By monitoring DHCP traffic and validating DHCP server responses, the switch ensures that only authorized DHCP servers are providing IP addresses to clients.

Dynamic Trunking Protocol (DTP) is a Cisco proprietary protocol that simplifies the configuration of trunk links between switches. It allows switches to automatically negotiate trunking without manual intervention. This feature saves time and reduces the chances of misconfiguration when setting up trunk connections.

Port Aggregation Protocol (PAgP), also known as Cisco Port Channel or EtherChannel, enables users to combine multiple physical links into a single logical link for increased bandwidth and redundancy. PAgP provides load balancing and failover capabilities, improving network performance and reliability.

Trivial File Transfer Protocol (TFTP), Access Control List (ACL), and Quality of Service (QoS)

Trivial File Transfer Protocol (TFTP) support allows users to transfer files to and from the switch for firmware upgrades, configuration backups, or other management purposes. TFTP is a simple and lightweight file transfer protocol commonly used in network device management.

Access Control List (ACL) support is a crucial feature for network security. It enables users to define rules that permit or deny network traffic based on various criteria such as source/destination IP addresses, protocols, or ports. By implementing ACLs on the switch, users can enforce granular security policies and protect their network from unauthorized access or malicious activities.

Quality of Service (QoS) ensures that critical network traffic receives priority treatment over less important traffic. The Cisco WS-C3750G-48TS-E supports QoS features such as traffic classification, prioritization, and bandwidth allocation. By implementing QoS, users can guarantee optimal performance for real-time applications, voice/video communication, or other mission-critical services.

Jumbo Frames Support and MLD Snooping

Jumbo Frames support allows for the transmission of larger Ethernet frames compared to standard frames. This feature can improve network efficiency by reducing the overhead associated with smaller frames. It is particularly beneficial in scenarios where large amounts of data need to be transferred, such as backups or file transfers.

MLD snooping is similar to IGMP snooping but specifically designed for IPv6 multicast communication. It optimizes multicast traffic by forwarding packets only to devices that have requested them. By supporting MLD snooping, the Cisco WS-C3750G-48TS-E enhances IPv6 multicast performance and ensures efficient utilization of network resources.

In conclusion, the Cisco WS-C3750G-48TS-E Manageable Switch Layer3 offers an extensive range of features designed to enhance network connectivity, performance, security, and manageability. The 48 x 10/100/1000 ports, along with the 4 x Gigabit Ethernet SFP ports, provide users with increased connectivity options and high-speed data transfer capabilities. Additionally, the various features such as layer 3 switching, VLAN support, QoS, and security mechanisms like ACLs and MAC address filtering, ensure optimal network performance and protect against unauthorized access. Whether it's for small businesses, large enterprises, or data centers, the Cisco WS-C3750G-48TS-E is a versatile and reliable switch that can meet the demanding requirements of modern networks.