Cisco Systems 6901 Checking Static IP Address Settings, Verifying the Voice Vlan Configuration

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Chapter 7 Troubleshooting and Maintenance

Cisco Unified IP Phone Resets Unexpectedly

Checking Static IP Address Settings

If the phone has been assigned a static IP address, verify that you have entered the correct settings. See the “Configuring Settings on the Cisco Unified IP Phone” section on page 4-1for more information.

Verifying the Voice VLAN Configuration

If the Cisco Unified IP Phone appears to reset during heavy network usage (for example, following extensive web surfing on a computer connected to the same switch as the phone), it is likely that you do not have a voice VLAN configured.

Isolating the phones on a separate auxiliary VLAN increases the quality of the voice traffic. See the “Understanding How the Cisco Unified IP Phone 6911 Interacts with the VLAN” section on page 2-2for details.

Verifying that the Phones Have Not Been Intentionally Reset

If you are not the only administrator with access to Cisco Unified Communications Manager, you should verify that no one else has intentionally reset the phones.

You can check whether a Cisco Unified IP Phone received a command from Cisco Unified Communications Manager to reset by pressing the Applications button on the phone and choosing Administrator Settings > Status > Network Statistics. If the phone was recently reset, one of these messages appears:

•Reset-Reset—Phone closed due to receiving a Reset/Reset from Cisco Unified Communications Manager Administration.

•Reset-Restart—Phone closed due to receiving a Reset/Restart from Cisco Unified Communications Manager Administration.

Eliminating DNS or Other Connectivity Errors

If the phone continues to reset, follow these steps to eliminate DNS or other connectivity errors:

Procedure

Step 1 Use the Reset Settings menu to reset phone settings to their default values. See the “Resetting or Restoring the Cisco Unified IP Phone” section on page 7-10for details.

Step 2 Modify DHCP and IP settings:

a.Disable DHCP. See the “Configuring Settings on the Cisco Unified IP Phone” section on page 4-1for instructions.

b.Assign static IP values to the phone. See the “Configuring Settings on the Cisco Unified IP Phone” section on page 4-1for instructions. Use the same default router setting used for other functioning Cisco Unified IP Phones.

c.Assign a TFTP server. See the “Configuring Settings on the Cisco Unified IP Phone” section on page 4-1for instructions. Use the same TFTP server used for other functioning Cisco Unified IP Phones.

Cisco Unified IP Phone 6901 and 6911 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)

 

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Contents Text Part Number OL-23874-01 Americas HeadquartersPage N T E N T S Manager Disabling and Enabling Web Page Access Network and Access Port Pinouts C-3 Installing the Bracket E-8 OL-23874-01 Audience OverviewOrganization Chapter DescriptionCisco Unified IP Phone 6900 Series Related DocumentationCisco Product Security Overview Convention Description Document ConventionsItalic font Italic screen fontAn Overview of the Cisco Unified IP Phone 1shows the main components of the Cisco Unified IP Phone Understanding the Cisco Unified IP Phone 6901OL-23874-01 2shows the main components of the Cisco Unified IP Phone OL-23874-01 What Networking Protocols are Used? Dynamic Host Configuration Protocol chapterNetworking Protocol Purpose Usage Notes Communications Manager System GuideUnified IP Phones section on page 1-17for Supporting 802.1X Authentication on CiscoSee the LLDP-MED and Cisco Discovery Protocol 701/technologieswhitepaper0900aecd804cd46dCisco Unified Communications Manager Communications Manager Security GuideSystem Guide Related TopicsConfiguring Telephony Features Feature OverviewRelated Topic Providing Users with Feature InformationOL-23874-01 Topic Reference Refer to the Troubleshooting Guide for Cisco UnifiedCommunications Manager Security, refer to the Cisco Unified Communications ManagerFeature Description Overview of Supported Security FeaturesPhone section on page 3-10for more information Voice Quality Metrics IP Phones section on page 1-17for more informationUnderstanding Security Profiles Establishing and Identifying Protected Calls Overview Supporting 802.1X Authentication on Cisco Unified IP PhonesRequired Network Components Best Practices-Requirements and Recommendations OL-23874-01 Purpose For More Information Communications Manager Administration Communications Manager Administration GuideChapter in the Cisco Unified Communications Manager Installing Cisco Unified IP Phones Terminology Differences User Guide Administration and System GuidesRefer to Cisco Unified IP Phone 6901 A P T E R Cisco Communications Manager Administration Guide Providing Power to the Cisco Unified IP Phone Power Outage Power GuidelinesPower Type Guidelines Obtaining Additional Information About Power Understanding Phone Configuration FilesPurpose Related Topics Understanding the Phone Startup ProcessObtaining an IP Address Method Address? Adding Phones with Auto-RegistrationAdding Phones with Auto-Registration and Taps Procedure Adding Phones Using the BAT Phone TemplateConverting a New Phone from Sccp to SIP Using Cisco Unified IP Phones with Different ProtocolsDeploying a Phone in an Sccp and SIP Environment Determining the MAC Address for a Cisco Unified IP PhoneNetwork Requirements Before You BeginNetwork and Access Ports Cisco Unified Communications Manager ConfigurationSpeakerphone Cisco Unified IP Phone 6911 Only HandsetSee the Network and Access Ports section on Installing the Cisco Unified IP PhoneCisco Unified IP Phone 6901 Cable Connections Cisco Unified IP Phone 6911 Cable Connections 3illustrates the footstand on the Cisco Unified IP Phone FootstandLower Viewing Angle Higher Viewing AngleMounting the Phone to the Wall Configuring Startup Network SettingsVerifying the Phone Startup Process Before You Begin Configuring Security on the Cisco Unified IP PhonePhone Settings Options Configuring Settings on the Cisco Unified IP PhoneOption Description Accessing the IVR and Configuring Your Phone Setting Accessing the Phone Configuration SettingsAction IVR Code Navigating Notes OL-23874-01 Configuring Features, Templates, Services, and Users Features and Services Guide, Barge Feature Description Configuration ReferenceSystem Guide, Cisco Unified IP Phones Unified Communications ManagerUnified Communications Manager Features Features and Services Guide BargeServices Guide Administration Guide, DirectoryManager Features and Services Guide Forward Maximum Hop Count service parameterFeatures and Services Guide,Barge Communications Manager FeaturesPoint Configuration chapter in the Cisco Codes and Forced Authorization CodesConference Bridges chapter Administration Guide, Message Waiting Number/Pattern Configuration chapterConfiguration chapter System Guide, Voice Mail ConnectivityAdministration Guide, Cisco Unified IP Services Guide, MonitoringPhone Configuration chapter Administration Guide, Date/Time Group Administration Guide, Time PeriodAdministration Guide, Cisco Voice-Mail Adding Users to Cisco Unified Communications ManagerManaging the User Options Web Pages Giving Users Access to the User Options Web PagesUnified Communications Manager System Guide Click Save Selected/Changes Specifying Options that Appear on the User Options Web Pages OL-23874-01 Monitoring the Cisco Unified IP Phone Remotely Http//IPaddress Accessing the Web Page for a PhoneDevice Information Disabling and Enabling Web Page AccessUDI Network SetupDescription Vlan Network Statistics Table below Device Logs Message Description Possible Explanation and Action Status MessagesAdding Phones to the Cisco Unified Communi Cations Manager Database section onMessage Description Possible Explanation and Action Message Description Possible Explanation and Action Streaming Statistics Streaming Statistics Area Items Configuring Settings on the Cisco Unified IP Phone chapter OL-23874-01 Resolving Startup Problems Troubleshooting and MaintenanceTroubleshooting and Maintenance Resolving Startup Problems Identifying Error Messages Cisco CallManager and Tftp Services Are Not Running Symptom Cisco Unified IP Phone Unable to Obtain IP Address Verifying Dhcp Settings Cisco Unified IP Phone Resets UnexpectedlyVerifying the Physical Connection Identifying Intermittent Network OutagesVerifying the Voice Vlan Configuration Checking Static IP Address SettingsVerifying that the Phones Have Not Been Intentionally Reset Eliminating DNS or Other Connectivity ErrorsChecking Power Connection General Troubleshooting TipsSummary Explanation Halfduxcollisionexceedthreshold Phone Configuration Settings section on page 4-2for detailsPerforming a Basic Reset Resetting or Restoring the Cisco Unified IP PhonePerforming a Factory Reset Performing a Basic Reset, Performing a Factory Reset,Monitoring the Voice Quality of Calls Using Voice Quality MetricsMetric Change Condition Troubleshooting TipsCleaning the Cisco Unified IP Phone Where to Go for More Troubleshooting InformationOL-23874-01 Providing Information to Users Via a Website How Users Access a Voice Messaging System How Users Configure Phone FeaturesSupporting International Users OL-23874-01 Specification Value or Range Physical and Operating Environment SpecificationsCable Specifications Network Port Connector Network and Access Port PinoutsAccess Port Connector Pin Number FunctionOL-23874-01 Example User Information for These Procedures Basic Phone Administration StepsAdding a User From an External Ldap Directory Proceed to Configuring the Phone section on page D-3Proceed to the section Configuring the Phone, page D-3 Configuring the PhoneOL-23874-01 OL-23874-01 Click Device Associations Performing Final End User Configuration StepsClick Save OL-23874-01 Installing a Wall Mount for the Cisco Unified IP Phone Before You Begin Figure E-2 Preparing the Handset HookswitchNetwork Port on the Phone RJ45 Connector Installing the Phone on Wall Mount PlateFigure E-4 RJ45 Connector in the Wall Mount Jack Figure E-5 Mounting Holes Firmly slide the IP phone down into place Figure E-6 Phone bracket Installing the Bracket Figure E-8 Mounting the Wall Bracket Figure E-9 Attaching the Phone Bracket Figure E-10 Preparing the Handset Hookswitch Figure E-11 Attaching the Cables Figure E-12 Attaching the Phone to the Wall Bracket OL-23874-01 ADA Non-Lockable Wall Mount Kit for 6900 Series Cisco Unified IP Phone Non-Lockable Wall MountPackage includes these items ComponentsInstall Non-Lockable Wall Mount Kit for Phone Figure F-4 Mount the Wall Bracket Figure F-5 Attach Phone Bracket Proceed to Before You Begin, page E-2 Remove Phone from Non-Lockable Wall MountFigure F-7 Figure F-8 Protocol FeaturesProtocol Features Sccp SIP OL-23874-01 Numerics IN-2 IN-3 IN-4 IN-5 IN-6 IN-7 IN-8
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6901 specifications

Cisco Systems 6901 is a versatile, compact, and powerful router designed to meet the networking needs of small to medium-sized businesses, as well as enterprise branch offices. This model is part of Cisco's ISR (Integrated Services Router) portfolio, which is known for its capability to integrate multiple services into a single platform, ensuring high efficiency and cost-effectiveness.

One of the main features of the Cisco 6901 is its ability to support advanced routing protocols, including RIP, EIGRP, OSPF, and BGP. This versatility allows for seamless integration into various network architectures, facilitating efficient communication and data transfer across multiple locations. The device is also built to handle high-bandwidth applications, making it an ideal choice for businesses that rely on robust network performance.

In terms of connectivity, Cisco 6901 offers multiple Ethernet ports, supporting both 10/100/1000 Mbps speeds. This ensures that users can connect a variety of devices, ranging from office computers to network printers, all while maintaining optimal network performance. Additionally, the router supports both LAN and WAN interfaces, providing flexibility in deployment options.

Security is a crucial aspect of networking, and the Cisco 6901 does not disappoint in this regard. It comes equipped with advanced security features, including firewall capabilities, intrusion prevention, and VPN support. These features ensure that sensitive business data is protected from unauthorized access, while also providing secure remote access for employees.

Another essential characteristic of the Cisco 6901 is its support for various multimedia applications. The router comes with Quality of Service (QoS) features that prioritize voice, video, and data traffic, ensuring high-quality performance for applications such as VoIP and video conferencing. This is particularly valuable in today's business landscape, where effective communication is critical for success.

The Cisco 6901 is also designed for ease of management and configuration. It features a user-friendly interface that simplifies the setup process, along with comprehensive monitoring tools that enable administrators to keep an eye on network performance and address any issues proactively.

In summary, the Cisco Systems 6901 is a powerful, feature-rich router that combines advanced routing capabilities with robust security measures and multimedia support. Its flexibility, ease of management, and comprehensive service integration make it an excellent choice for businesses seeking to enhance their networking infrastructure. With the Cisco 6901, organizations can achieve efficient communication, secure data exchange, and high-performance network operations, positioning themselves well for future growth.
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