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Cisco HWIC-4ESW and HWIC-D-9ESW
EtherSwitch Interface Cards
First Published: May 17, 2005
Last Updated: April 15, 2006
This document provides configuration tasks for the 4-port Cisco HWIC-4ESW and the 9-port
Cisco HWIC-D-9ESW EtherSwitch high-speed WAN interface cards (HWICs) hardware feature
supported on Cisco 1800 (modular), Cisco 2800, and Cisco 3800 series integrated services routers.
Cisco EtherSwitch HWICs are 10/100BASE-T Layer 2 Ethernet switches with Layer 3 routing
capability. (Layer 3 routing is forwarded to the host and is not actually performed at the switch.) Traffic
between different VLANs on a switch is routed through the router platform. Any one port on a
Cisco EtherSwitch HWIC may be configured as a stacking port to link to another Cisco EtherSwitch
HWIC or EtherSwitch network module in the same system. An optional power module can also be added
to provide inline power for IP telephones. The HWIC-D-9ESW HWIC requires a double-wide card slot.
This hardware feature does not introduce any new or modified Cisco IOS commands.
Finding Feature Information in This Module
Your Cisco IOS software release may not support all of the features documented in this module. To reach
links to specific feature documentation in this module and to see a list of the releases in which each feature is
supported, use the
"Feature Information for the Cisco HWIC-4ESW and the Cisco HWIC-D-9ESW
EtherSwitch Cards" section on page
Finding Support Information for Platforms and Cisco IOS Software Images
Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image
support. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. You must have an account on
Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at
the login dialog box and follow the instructions that appear.
Corporate Headquarters:
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© 2006 Cisco Systems, Inc. All rights reserved.
117.
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Chapters
Table of Contents
Related Manuals for Cisco HWIC-D-9ESW
Summarization of Contents
Information About EtherSwitch HWICs
VLANs
Explains the concept of Virtual LANs (VLANs) and their role in network segmentation.
Inline Power for Cisco IP Phones
Details how to supply inline power to Cisco IP phones using the HWIC.
Layer 2 Ethernet Switching
Covers the fundamentals of Layer 2 Ethernet switching functionality on the HWIC.
802.1x Authentication
Describes how to implement 802.1x port-based authentication for network security.
Spanning Tree Protocol
Explains the Spanning Tree Protocol (STP) and its role in preventing network loops.
Cisco Discovery Protocol
Covers the Cisco Discovery Protocol (CDP) for network device discovery and information exchange.
Switched Port Analyzer
Details how to configure Switched Port Analyzer (SPAN) for network traffic monitoring.
IGMP Snooping
Explains IGMP snooping for optimizing multicast traffic forwarding.
Storm Control
Describes how to configure storm control to mitigate network broadcast storms.
Intrachassis Stacking
Covers the configuration of intrachassis stacking for connecting switch modules within a chassis.
Fallback Bridging
Explains how to configure fallback bridging for enhanced network resilience.
How to Configure EtherSwitch HWICs
Configuring VLANs
Provides step-by-step instructions for configuring Virtual LANs (VLANs) on the EtherSwitch HWIC.
Configuring VLAN Trunking Protocol
Details how to configure VLAN Trunking Protocol (VTP) for managing VLAN information across the network.
Configuring Layer 2 Interfaces
Guides on configuring basic Layer 2 functionalities for interfaces on the HWIC.
Configuring 802.1x Authentication
Step-by-step guide to enable and configure 802.1x port-based authentication for security.
Configuring Spanning Tree
Instructions for enabling and configuring the Spanning Tree Protocol (STP) to prevent network loops.
Configuring MAC Table Manipulation
Explains how to manage MAC address entries, including securing ports.
Configuring Cisco Discovery Protocol
Covers the configuration of Cisco Discovery Protocol (CDP) for device discovery.
Configuring the Switched Port Analyzer (SPAN)
Details how to set up SPAN sessions for network traffic monitoring.
Configuring Power Management on the Interface
Guides on configuring power management features, such as inline power for IP phones.
Configuring IP Multicast Layer 3 Switching
Instructions for enabling and configuring IP multicast Layer 3 switching.
Configuring IGMP Snooping
Explains how to configure IGMP snooping for efficient multicast traffic handling.
Configuring Per-Port Storm Control
Details how to configure storm control on a per-port basis to manage traffic surges.
Configuring Stacking
Provides steps for configuring stacking to connect multiple switch modules.
Configuring Fallback Bridging
Covers the configuration of fallback bridging for network redundancy.
Configuring Separate Voice and Data Subnets
Guides on setting up separate subnets for voice and data traffic.
Configuration Examples for EtherSwitch HWICs
Range of Interface: Examples
Provides examples of configuring interface ranges for efficient management.
Optional Interface Feature: Examples
Illustrates examples of configuring optional interface features like speed and duplex.
Stacking: Example
Demonstrates an example of configuring stacking between HWICs.
VLAN Configuration: Example
Shows an example of configuring VLANs and inter-VLAN routing.
VLAN Trunking Using VTP: Example
Provides examples of configuring VLAN Trunking Protocol (VTP) as server, client, or transparent.
Spanning Tree: Examples
Offers examples for configuring Spanning Tree Protocol (STP) parameters and states.
MAC Table Manipulation: Example
Illustrates examples of configuring MAC address table entries and port security.
Switched Port Analyzer (SPAN) Source: Examples
Provides examples for configuring SPAN sessions to monitor network traffic.
IGMP Snooping: Example
Shows output examples related to IGMP snooping configuration.
Storm-Control: Example
Demonstrates an example of configuring storm control for traffic suppression.
Ethernet Switching: Examples
Includes examples related to Ethernet switching configurations, including voice/data subnets.
Additional References
Related Documents
Lists related documents for further information on EtherSwitch HWICs.
Standards
States that no new or modified standards are supported by this feature.
Command Reference
Feature Information for the Cisco HWIC-4ESW and the Cisco HWIC-D-9ESW EtherSwitch Cards
Provides details and links to configuration information for features introduced or modified in specific IOS releases.
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