Description
Advanced Security Features
The WIC-1B-U is a WAN Interface Card (WIC) designed for use with Cisco routers. This WIC provides a single port for connecting to an Integrated Services Digital Network (ISDN) Basic Rate Interface (BRI) connection with a Network Termination 1 (NT1) interface.
In addition to providing basic WAN connectivity, the WIC-1B-U also includes advanced security features that help to protect your network from unauthorized access and attacks.
One of the key security features of the WIC-1B-U is support for the Point-to-Point Protocol (PPP) authentication protocol. This protocol allows you to require users to enter a username and password before they can access your network, which helps to prevent unauthorized access.
The WIC-1B-U also supports Cisco’s proprietary Challenge Handshake Authentication Protocol (CHAP), which provides an additional layer of security for PPP connections. CHAP uses a randomly generated challenge string that is sent to the remote user, who must then respond with the correct value. This ensures that only authorized users are able to access your network.
In addition to authentication protocols, the WIC-1B-U also includes features such as Access Control Lists (ACLs) and Virtual Private Network (VPN) support. ACLs allow you to restrict access to specific network resources based on user credentials, while VPNs provide a secure tunnel for transmitting data over public networks.
Finally, the WIC-1B-U includes support for Cisco’s Network-Based Application Recognition (NBAR) technology, which allows you to identify and control specific types of traffic on your network. This can be useful for enforcing security policies and preventing unauthorized access to your network.
Monitoring and Management
The WIC-1B-U WAN Interface Card (WIC) is a 1-Port ISDN BRI (Basic Rate Interface) with an integrated NT1 (Network Termination 1) Interface Card designed for use in Cisco routers. This WIC provides connectivity to ISDN BRI networks, which are commonly used in Europe and other parts of the world.
Monitoring and management of the WIC-1B-U can be done using a variety of tools and interfaces.
One of the primary ways to monitor the performance of the WIC-1B-U is to use the Cisco IOS Command-Line Interface (CLI). This interface allows you to view real-time statistics about the module’s operation, including the number of packets sent and received, the error rate, and the throughput rate. You can also configure the module’s settings and troubleshoot any issues that may arise using the CLI.
In addition to the CLI, the WIC-1B-U can also be monitored and managed using the Cisco Configuration Professional (CCP) software. This tool provides a graphical user interface that makes it easy to configure and monitor the module, as well as the router it is installed in. You can use the CCP to configure WAN connections, view performance statistics, and troubleshoot issues with the module.
The WIC-1B-U also supports Simple Network Management Protocol (SNMP), which allows you to monitor and manage the module using a network management system (NMS). You can use SNMP to monitor the status of the module, as well as configure settings and receive alerts when issues arise.
Finally, the WIC-1B-U supports Cisco’s NetFlow technology, which allows you to collect and analyze traffic data from the module. This can be useful for identifying traffic patterns, troubleshooting issues, and optimizing the performance of your network.
Common Issues and Troubleshooting
The WIC-1B-U WAN Interface Card is a 1-Port ISDN BRI with NT1 Interface Card designed for use in Cisco routers. As with any networking hardware, there are some common issues that can arise when using this card, and troubleshooting may be necessary to resolve them.
Here are some common issues that you may encounter with the WIC-1B-U, along with troubleshooting steps:
- Connection issues: The most common issue with the WIC-1B-U is difficulty establishing a connection. This can be caused by a variety of factors, including incorrect cabling, misconfiguration, or line issues.
To troubleshoot connection issues, ensure that the cabling is correct and that the card is properly installed and configured. You may also need to check the line quality and settings, and contact your service provider if necessary.
- Authentication errors: Another common issue is authentication errors when trying to establish a connection. This can be caused by incorrect authentication settings or mismatched settings between the router and the ISDN network.
To troubleshoot authentication errors, check the authentication settings on both the router and the network, and ensure that they match. You may also need to contact your service provider for assistance.
- Performance issues: Performance issues with the WIC-1B-U can be caused by a variety of factors, including network congestion, configuration issues, or hardware problems.
To troubleshoot performance issues, check the configuration settings and ensure that they are optimized for your network environment. You may also need to monitor network traffic to identify any congestion issues, and check the hardware for any problems.
- Hardware failure: In some cases, the WIC-1B-U may fail due to hardware issues. This can be caused by a variety of factors, including power surges, overheating, or wear and tear.
To troubleshoot hardware failure, check the router logs for any error messages related to the card, and try replacing the card with a new one. You may also need to contact Cisco support for assistance.
General Information
- Manufacturer: Cisco Systems, Inc
- MPN: WIC-1B-U
- Brand Name: Cisco
- Product Name: Cisco 1-PORT ISDN BRI with NT1 Interface Card
- Product Type: WAN Interface Card (WIC)
- SKU: WIC-1B-U
Technical Information
- Application/Usage: Wide Area Network
Interfaces / Ports
- Interfaces/Ports Details: 1 x RJ-45 ISDN BRI (U) WAN
Miscellaneous
- Additional Information
- Modular Router Solutions:
- LAN-to-LAN Routing
- VPN & Firewall Solutions
- Number of Modules per Chassis:
- Cisco 3640: 8
- Cisco 3620: 4
- Cisco 2600: 2
- Protocols Supported:
- Full Cisco IOS support in Release 11.2 and 11.3
- Comments:
- When used in a Cisco 3600 series router, requires a LAN / WAN network module: NM-1E2W, NM-2E2W, or NM-1E1R2W.
Compatibility
- Supported Platforms & Minimum IOS Versions:
- 3745 – 12.2(8)T
- 3725 – 12.2(8)T
- 3660 series – 12.0(5)T
- 3640 – 11.2(4)XA
- 3620 – 11.2(4)XA
- 2691 – 12.2(8)T1
- 2650 – 12.1(3)T
- 2600XM Series – 12.2(8)T1
- 2600 series – 11.3(2)XA
- 1720 – 12.0.1(XA3)
- 1600 series – 11.1(7)AA
