Access to most tools on the Cisco Support and Documentation website requires a Cisco. The following table provides release information about the feature or features described in this module. This table lists only the software release that introduced support for a given feature in a given software release train. Unless noted otherwise, subsequent releases of that software release train also support that feature. The following commands were modified by this feature: crypto dynamic-map, crypto map, set nat demux, show crypto dynamic-map, show crypto map, show crypto ipsec sa.
Welcome to the custom book wizard. Using this tool you can create books containing a custom selection of content. To get started, enter a name for the book or select an existing book to add to. Select the topics and posts that you would like to add to your book. Preview your selected content before you download or save to your dashboard. Mobi View on Kindle device or Kindle app on multiple devices.
Save to Dashboard. Your contact details will be kept confidential and will not be shared outside Cisco. If we need additional information regarding your feedback, we will contact you at this email address. Toggle navigation Cisco Content Hub. Command Explorer. Topics Navigation. Recent Chapters. Top Viewed. Note Security threats, as well as the cryptographic technologies to help protect against them, are constantly changing.
Enables privileged EXEC mode. Enter your password if prompted. Enters global configuration mode. Steven M. Jordan Reading 9 Comments. NAT-T is enabled on most operating systems e.
Anonymous November 20, at PM. Jordan November 21, at PM. Anonymous November 22, at AM. Jordan November 23, at PM.
Unknown January 24, at PM. Anonymous February 19, at AM. Jordan May 7, at PM. Anonymous July 20, at PM. You receive error messages when you try to open file shares or map network drives to the Routing and Remote Access server. If the Routing and Remote Access server is also a domain controller, you receive error messages when you try to sign in the network. If the Routing and Remote Access server is a domain controller, you receive error messages when you try to open file shares or map network drives to any shared resource on the network.
For example, computers that are running Microsoft Windows Professional or Microsoft Windows XP Professional receive an error message that is similar to the following:. This issue typically affects computers that are running Small Business Server because this version of Windows Server is frequently the only server on the network.
Because the local computers can't reach the PPP adapter, the connections fail. This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it.
Then, you can restore the registry if a problem occurs. For more information, see How to back up and restore the registry in Windows. To do it, follow these steps:. If the connection fails after you receive the prompt for your name and password, the IPSec session has been established and there's probably something wrong with your name and password.
Other server settings may also be preventing a successful L2TP connection. In this case, send the PPP log to your administrator. The configuration utility also provides a check box that enables IPSec logging. If you can't connect, and your network administrator or support personnel have asked you to provide them a connection log, you can enable IPSec logging here. When you do so, the log Isakmp. To do so:.
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