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Cisco Systems 7971G-GE, 7970G manual 802.1X Enabled on Phone but Not Authenticating

Models: 7970G 7971G-GE

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Chapter 9 Troubleshooting and Maintenance

Troubleshooting Cisco Unified IP Phone Security

Table 9-1 Cisco Unified IP Phone Security Troubleshooting (continued)

Problem

Possible Cause

 

 

Phone reports TFTP authorization failure.

• The TFTP address for the phone does not exist

 

in the CTL file.

 

• If you created a new CTL file with a new

 

TFTP record, the existing CTL file on the

 

phone may not contain a record for the new

 

TFTP server.

 

 

Phone does not register with

The CTL file does not contain the correct

Cisco Unified Communications Manager.

information for the

 

Cisco Unified Communications Manager server.

 

 

Phone does not request signed configuration files.

The CTL file does not contain any TFTP entries

 

with certificates.

 

 

802.1X Enabled on Phone but Not Authenticating

 

Phone cannot obtain a DHCP-assigned IP address.

Phone does not register with

Cisco Unified Communications Manager.

Phone status display as “Configuring IP” or “Registering”.

802.1X Authentication Status displays as “Held” (see the “802.1X Authentication and Status” section on page 4-31for more details).

Status menu displays 802.1X status as “Failed” (see the “Status Menu” section on page 7-3for more details).

These errors typically indicate that 802.1X authentication is enabled on the phone, but the phone is unable to authenticate.

1.Verify that you have properly configured the required components (see the “Supporting 802.1X Authentication on Cisco Unified IP Phones” section on page 1-16for more information).

2.Confirm that the shared secret is configured on the phone (see the“802.1X Authentication and Status” section on page 4-31for more information).

–If the shared secret is configured, verify that you have the same shared secret entered on the authentication server.

–If the shared secret is not configured, enter it, and ensure that it matches the one on the authentication server.

802.1X Not Enabled

Phone cannot obtain a DHCP-assigned IP address

Phone does not register with

Cisco Unified Communications Manager

Phone status display as “Configuring IP” or “Registering”

802.1X Authentication Status displays as “Disabled”

Status menu displays DHCP status as timing out

These errors typically indicate that 802.1X authentication is not enabled on the phone. To enable it, see the “802.1X Authentication and Status” section on page 4-31.

Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0

 

OL-15299-01

9-9

 

 

 

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Cisco Systems 7971G-GE, 7970G manual 802.1X Enabled on Phone but Not Authenticating
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7970G, 7971G-GE specifications

The Cisco Systems 7971G-GE is a sophisticated IP phone designed for enterprise communication, offering a range of features that enhance productivity and collaboration. As part of the Cisco Unified Communications portfolio, this phone is known for its impressive technology and reliable performance.

One of the main features of the 7971G-GE is its high-resolution color display. The 5-inch LCD screen provides users with a visually appealing and intuitive interface, allowing for easy navigation through menus and contacts. The phone supports up to six lines, making it ideal for users who require multiple lines for simultaneous calls. Users can effortlessly manage calls with the ability to switch between lines and access important call features like hold, transfer, and conference calling.

In terms of audio quality, the Cisco 7971G-GE is equipped with high-definition voice technology. This feature ensures crystal-clear sound during calls, reducing background noise and enhancing the clarity of conversations. The phone also supports wideband audio codecs, enabling a richer voice experience that is particularly valuable in business environments.

The phone is designed with user convenience in mind. It offers programmable buttons that can be customized to suit individual needs, allowing easy access to frequently used functions or contact lists. Additionally, the presence indicator feature lets users see the availability of their colleagues in real-time, promoting more effective communication and collaboration.

Networking capabilities are another strong point of the Cisco 7971G-GE. The phone supports both Power over Ethernet (PoE) and standard Ethernet connectivity. This enables easy deployment without the need for additional power outlets. Moreover, the device is compatible with various Cisco communication platforms, integrating seamlessly with existing Cisco infrastructure, which is essential for businesses looking to upgrade their communications systems.

Security is a crucial consideration for modern enterprises, and Cisco addresses this with robust encryption features that protect voice and video calls. The phone supports secure signaling and media encryption, ensuring that sensitive conversations remain confidential.

Overall, the Cisco Systems 7971G-GE is a feature-rich IP phone that combines advanced technology with user-friendly design. Its high-definition audio, customizable features, and seamless integration with Cisco networks make it a popular choice for businesses seeking to improve their communication systems. With its reliability and performance, the Cisco 7971G-GE continues to support effective collaboration in an increasingly connected world.