aaa 163

A User Fails to Connect to the VPN

There can be different reasons for why a user is having difficulty authenticating to the VPN or why a client connection cannot be established: the user name or password is wrong, the configured authentication server cannot be reached, the group name retrieved from the authentication server does not exist on the VPN Gateway and so on.

To trace the different steps involved in a specific process, for example, authorization, enter the following command.

>>Main# maint/starttrace

Enter tags (list of all,aaa,dns,ike,ipsec,ippool,ssl,tg,pptp, upref, ftp,smb,netdirect,netdirect_packet) [all]: aaa,ssl Enter VPN (or 0 for all VPNs) [0]:

Output mode (interactive/tftp/ftp/sftp) [interactive]:

Enter the desired tag(s) separated by comma, for example, aaa,ssl to trace the user authorization and SSL handshake processes, or press ENTER to trace all processes. To limit tracing to a specific VPN, enter the desired VPN ID, or press ENTER to view trace information for all domains.

Select the desired output mode.

•interactive. The result is displayed directly in the CLI.

•tftp/ftp/sftp. The result is exported as a file to the specified TFTP/FTP/SFTP server.

When starttrace is on, different steps in the selected process (tag) is logged. For sample outputs, see “aaa” (page 163).

To disable tracing, press ENTER to display the prompt, then enter stoptrace.

>> Maintenance# stoptrace

aaa

The aaa tag logs authentication method, user name, timeouts, group and profile (base or extended).

Nortel VPN Gateway

User Guide

NN46120-104 02.01 Standard

14 April 2008

Copyright © 2007-2008 Nortel Networks

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Nortel Networks NN46120-104 manual User Fails to Connect to the VPN, Aaa, Main# maint/starttrace
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NN46120-104 specifications

Nortel Networks NN46120-104 is a versatile and efficient telecommunications hardware platform designed to meet the demands of modern networking environments. As a part of Nortel’s extensive portfolio, this device showcases the company’s commitment to innovation and reliability in the telecom sector.

One of the main features of the NN46120-104 is its robust performance capabilities. This platform is capable of handling high traffic volumes, making it suitable for medium to large enterprises. With its advanced routing capabilities and support for various protocols, the device ensures seamless communication across multiple network segments, providing efficient data transfer and connectivity.

The NN46120-104 is built upon the foundation of Nortel's renowned Layer 3 switching technology. This allows it to intelligently direct data packets based on their IP addresses, optimizing both speed and reliability. The inclusion of Virtual LAN (VLAN) support enhances network segmentation, improving security and management while reducing broadcast domains.

In terms of interface options, the NN46120-104 supports an array of Ethernet configurations, including Gigabit and Fast Ethernet ports. This flexibility allows organizations to tailor their networking solutions to their specific needs while enabling easy upgrades as technology evolves. The device also supports Power over Ethernet (PoE), facilitating the deployment of powered devices like IP phones and wireless access points without the need for additional power sources.

Another significant characteristic of the NN46120-104 is its robustness in terms of security features. With support for advanced security protocols and features such as Access Control Lists (ACLs), the device helps safeguard sensitive data by controlling traffic flow and restricting unauthorized access.

Additionally, the NN46120-104 is designed for ease of management. It offers an intuitive interface and supports various management protocols, including Simple Network Management Protocol (SNMP), enabling administrators to monitor and configure the device efficiently.

In summary, the Nortel Networks NN46120-104 combines high performance, extensive connectivity options, advanced security features, and ease of management, making it a formidable choice for enterprises looking to enhance their network infrastructure. Its capabilities align well with the rigorous demands of today’s digital communication landscape, ensuring reliability and efficiency in organizational operations.
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