Description
More Information for the Cisco HWIC-D-9ESW 9 Ports Ethernet Switch
In the ever-evolving landscape of networking technology, Cisco has been a prominent player, consistently introducing innovative solutions to meet the demands of modern connectivity. One such solution is the HWIC-D-9ESW, a Cisco 9 Ports Ethernet Switch Interface Card. This article delves into the intricacies of this device, providing a comprehensive understanding of its features, applications, and benefits.
Overview of HWIC-D-9ESW
The HWIC-D-9ESW is a compact and versatile Ethernet switch interface card designed by Cisco Systems. As a High-Speed WAN Interface Card (HWIC), it serves as an expansion module for Cisco Integrated Services Routers (ISRs). The primary purpose of this interface card is to enhance the connectivity capabilities of routers, especially in scenarios where additional Ethernet ports are required.
Key Features
- Nine Ethernet Ports: The standout feature of the HWIC-D-9ESW is its provision of nine Ethernet ports. These ports support both 10/100 Mbps and 1 Gbps speeds, catering to a wide range of network requirements. This abundance of ports makes the interface card ideal for applications demanding multiple connections, such as branch offices, small businesses, and network expansions.
- Integration with Cisco Integrated Services Routers: The HWIC-D-9ESW is seamlessly integrated into Cisco Integrated Services Routers, specifically those supporting HWIC slots. This integration ensures compatibility and ease of use, allowing users to incorporate the interface card into their existing Cisco router infrastructure without requiring extensive modifications.
- Layer 2 Switching Capabilities: Beyond its role as a simple interface card, the HWIC-D-9ESW functions as a Layer 2 Ethernet switch. This means it operates at the data link layer, facilitating efficient and intelligent data forwarding based on MAC addresses. This layer of functionality enhances network performance and provides the flexibility needed for various applications.
- Auto-MDIX Support: The interface card is equipped with Auto-MDIX (Automatic Medium-Dependent Interface Crossover) support on each port. This feature eliminates concerns related to crossover or straight-through cables, as the HWIC-D-9ESW can automatically detect and configure the appropriate connection type. This simplifies the deployment process and reduces the chances of connectivity issues.
- Power over Ethernet (PoE) Options: Some models of the HWIC-D-9ESW offer Power over Ethernet (PoE) capabilities on select ports. This allows the interface card to deliver both data and electrical power to connected devices, such as IP cameras, VoIP phones, and wireless access points. PoE support adds an extra layer of convenience, especially in scenarios where power outlets are limited.
- Simple Configuration and Management: Cisco has prioritized user-friendly configuration and management of the HWIC-D-9ESW. The interface card can be configured through the router’s command-line interface (CLI) or a web-based graphical user interface (GUI). This simplicity in setup and management enhances the accessibility of the device for network administrators and IT professionals.
Applications of HWIC-D-9ESW
- Branch Office Networking: The HWIC-D-9ESW is particularly well-suited for branch office environments where multiple Ethernet connections are required. Its compact form factor and robust features make it an efficient solution for establishing and managing network connections in remote locations.
- Small Business Networks: Small businesses often require a cost-effective and scalable networking solution. The HWIC-D-9ESW caters to this need by providing ample Ethernet ports for connecting various devices within the network. Its integration with Cisco routers further ensures a reliable and secure networking infrastructure.
- Network Expansions: In scenarios where an organization’s network needs to expand, the HWIC-D-9ESW offers a practical solution. By adding this interface card to an existing Cisco router, businesses can quickly increase the number of available Ethernet ports without the need for extensive hardware upgrades.
- PoE-enabled Deployments: The PoE capabilities of select models make the HWIC-D-9ESW suitable for deployments requiring both data connectivity and power delivery. This is especially valuable in settings where traditional power sources are scarce or inconvenient.
Benefits of Using HWIC-D-9ESW
- Scalability: The nine Ethernet ports provided by the HWIC-D-9ESW offer a scalable solution for growing network requirements. Organizations can easily expand their connectivity without investing in a completely new networking infrastructure.
- Cost-Effectiveness: For businesses and institutions operating on a budget, the HWIC-D-9ESW provides a cost-effective means of enhancing network capabilities. Its integration with existing Cisco routers eliminates the need for purchasing standalone switches, reducing overall costs.
- Simplified Management: The user-friendly configuration options and management interfaces of the HWIC-D-9ESW contribute to a simplified administrative experience. Network administrators can efficiently set up and manage the interface card to meet the specific needs of their network.
- Versatility with PoE: The inclusion of Power over Ethernet support adds versatility to the HWIC-D-9ESW. Organizations can deploy PoE-enabled devices without the need for additional power sources, streamlining installations and reducing complexity.
- Seamless Integration: Cisco’s commitment to compatibility ensures seamless integration of the HWIC-D-9ESW with supported routers. This integration preserves the investment made in existing Cisco infrastructure while enhancing network capabilities.
Interface Provided for Digital Workplace
The model Cisco 2800 Series 9-Ports 10/100Mbps Ethernet Switch WAN Interface Card can provide interfaces for a digital workplace in several ways, depending on the specific network configuration and requirements of the organization.
One common use case for the model in a digital workplace is to provide network connectivity for employee devices such as computers, laptops, and smartphones. The nine 10/100Mbps Ethernet ports on the card can be used to connect these devices to the network, allowing employees to access the internet, company resources, and applications.
The card’s support for VLAN tagging and VLAN trunking can also be used to segment the network, creating separate virtual networks for different types of devices or groups of users. This can help improve security by isolating different parts of the network and controlling access to resources.
Another use case for the model in a digital workplace is to provide connectivity for IP-based telephony and videoconferencing systems. The card’s Ethernet ports can be used to connect these systems to the network, allowing employees to make and receive calls and participate in video conferences.
Additionally, the card also supports Quality of Service (QoS) mechanisms, which can help ensure that critical real-time applications and services such as voice, video, and virtual meetings receive the necessary bandwidth and low latency.
It’s important to note that the model must be used in conjunction with a Cisco 2800 series router and other network devices, such as switches and firewalls, to provide a complete network solution for a digital workplace. A proper network design, security measures, and management must be in place to have the best performance, reliability, and usability of the network.
General Information about this Cisco HWIC-D-9ESW
- Manufacturer: Cisco
- Part Number or SKU# HWIC-D-9ESW
- Product Line: Ethernet Switch
- Product Name: Ethernet Switch 9-Port High-Speed WAN Interface Card
- Product Type: HWIC
Technical Specifications
- Device Type: Expansion Module
- Form Factor: Plug-in Module
- Interfaces/Ports: 9 x RJ-45 10/100Base-TX Auto-sensing/Auto-negotiating/Auto MDI/MDI-X
Connectivity Media
- Category 3 UTP 10Base-T
- Category 4 UTP 10Base-T
- Category 5 UTP 10/100Base-TX
Data Transfer Rate
- 10 Mbps Ethernet Half/Full-duplex
- 100 Mbps Fast Ethernet Half/Full-duplex
- Target Applications: Data, Voice, and Video
Supported Router Platforms
- Cisco 1800 (modular), Cisco 2800, and Cisco 3800 series integrated services routers
- Cisco 1841 (supports HWIC-4ESW only; no PoE support)
- Cisco 2801, Cisco 2811, Cisco 2821, Cisco 2851
- Cisco 3825, Cisco 3845, Cisco 1941, Cisco 2901, Cisco 2911, Cisco 2921, Cisco 2951
- Cisco 3925, Cisco 3945
IEEE Protocols
- Ethernet: IEEE 802.3, 10BASE-T
- Fast Ethernet: IEEE 802.3u, 100BASE-TX
- IEEE 802.1d Spanning Tree Protocol
- IEEE 802.1p CoS for Traffic Prioritization
- IEEE 802.1q VLAN
- IEEE 802.1x Security
- IEEE 802.3x Full Duplex
- IEEE 802.3af Power over Ethernet Standard
RFC: RFC 2284, PPP Extensible Authentication Protocol (EAP)
Manageability
- SNMP and Telnet interface support delivers comprehensive in-band management
- CLI management console provides detailed out-of-band management
- RMON, SPAN, TFTP, NTP
Environmental
- Operating Temperature: 32 to 104°F (0 to 40°C)
- Operating Humidity: 10 to 85% noncondensing operating
In short, the HWIC-D-9ESW Cisco 9 Ports Ethernet Switch Interface Card stands as a testament to Cisco’s dedication to providing flexible and efficient networking solutions. With its abundance of Ethernet ports, Layer 2 switching capabilities, and optional PoE support, this interface card addresses the diverse needs of businesses and organizations seeking to optimize their network connectivity. Whether deployed in branch offices, small business networks, or as part of network expansions, the HWIC-D-9ESW offers a scalable and cost-effective solution, reinforcing Cisco’s position as a leader in the networking industry.
