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Asynchronous Connections

User Datagram Protocol (UDP) Tunneling (UDPTN)
Printer connections
Terminal Server and Communication Server
Asynchronous Tunneling

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Technology Information
- What Are "Overruns" on a Serial Interface? 01-Sep-2005
- Understanding HSP and Controllerless WinModems 29-Jan-2008
Configuration
- Configure Terminal Server through Menu Options 21-Jul-2025
- ASR5000 (5K) Console Cable Configuration Example 31-Jan-2016
- Sync-Async Ports for Async Modem Dial-in On Cisco 1600, 1700, 2600, and 3600 Platforms 04-Feb-2010
- Connecting Routers Back-to-Back Through the AUX Ports 04-Feb-2010
- Configuring PPP Dialin with External Modems 04-Feb-2010
- Configuring WINS, DNS and DHCP on Access Servers 29-Jan-2008
- How to Configure Windows 98, Windows 2000, Windows NT, and Windows XP Professional Dial-up Networking by a Null-Modem Cable 29-Jan-2008
- Customer Dial-in Lab (San Jose, USA) Configuration 11-May-2007
- Configuring Dialin and Dialout on the Same T1/E1 PRI Circuits 14-Sep-2005
- DNIS and Modem Pooling With a PRI Line 09-Sep-2005
- Using the Cisco IOS DHCP Server on Access Servers 09-Sep-2005
- Configuring Dialout using a Modem on the AUX Port 02-Mar-2005
Operation and Troubleshooting
- Asynchronous Tunneling
  - Troubleshoot and Apply Correct Terminal Emulator Settings for Console Connections 04-Aug-2023
- Use Format Conventions for Technical Tips and Other Content 23-Jan-2023
- Connecting a Modem to the Console Port on Catalyst Switches 12-Feb-2019
- Understanding and Troubleshooting Idle Timeouts 04-Feb-2010
- Attaching a US Robotics Modem to the Console Port of a Cisco Router 04-Feb-2010
- Using service tcp-keepalives to Avoid Hung Telnet Sessions 19-Nov-2007
- Customer Dial-in Lab (San Jose, USA) Configuration 11-May-2007
- Configuring and Troubleshooting V.92 Modems 22-Nov-2005
- Modem-Router Connection Guide 29-Sep-2005
- Upgrading the Modem Firmware/Portware in Cisco Routers with Internal Digital Modems 15-Sep-2005
- Configuring a Modem on the AUX Port for EXEC Dialin Connectivity 09-Sep-2005
- How Async Lines are Numbered in Cisco 3600 Series Routers 09-Sep-2005
- Using Test TCP (TTCP) to Test Throughput 09-Sep-2005
- CAB-OCTAL-ASYNC Cable Pinouts 09-Sep-2005
- Dialup Technology: Overviews and Explanations 30-Aug-2005