Cisco Systems OL-8978-02 manual A P T E R, 55-1

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C H A P T E R 55

Configuring a VoIP Network

This chapter describes how to configure a Voice-over-IP (VoIP) network on the Catalyst 6500 series switches.

Note While this chapter introduces a number of Cisco networking products that are related to VoIP, the primary focus of the chapter is to provide configuration information for integrating the Catalyst 6500 series products into your VoIP network.

Note For complete syntax and usage information for the commands that are used in this chapter, refer to the Catalyst 6500 Series Switch Command Reference publication.

This chapter consists of these sections:

•Hardware and Software Requirements, page 55-1

•Understanding How a VoIP Network Works, page 55-2

•Understanding How VLANs Work, page 55-8

•Understanding How CDP and VoIP Work, page 55-10

•Configuring VoIP on a Switch, page 55-10

•Using SmartPorts, page 55-38

Hardware and Software Requirements

The hardware and software requirements for the Catalyst 6500 series switches and Cisco CallManager are as follows:

•Catalyst 4500 series, 5000 family, and Catalyst 6500 series switches running supervisor engine software release 6.1(1) or later releases

•Catalyst 4500 series and Catalyst 6500 series switches running supervisor engine software release 8.2(1) or later releases for IEEE 802.3af compliance

•Cisco CallManager release 3.0 or later releases

Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7

 

OL-8978-02

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Contents 55-1 A P T E R55-2 Cisco IP Phone55-3 55-4 Cisco CallManager Access GatewaysAnalog Station Gateway 55-5Analog Trunk Gateway FXS Interface FeaturesDigital Trunk Gateway 55-6Converged Voice Gateway Digital Signal Processing Per T1/E1 PortLink Management 55-755-8 How a Call Is Made55-9 Switch-to-Phone ConnectionsCLI Commands Ethernet Module1 WS-X6608-T1/E12 WS-X6624-FXS3 Voice-Related CLI CommandsSet port inlinepower Set inlinepower defaultallocation Show port inlinepowerShow environment power Configuring Per-Port Power Management55-11 Show module mod Task Command55-12 Show version mod Power Management Modes55-13 Phone Class Required Power W Power Requirements55-14 Wall-Powered Phones Available PowerPowering Off the Phone Phone RemovalHigh-Availability Support Phone Detection Summary55-16 Setting the Default Power Allocation Setting the Power Mode of a Port or a Group of PortsSet port inlinepower mod/port auto static 55-17Show port inlinepower mod /port detail Set inlinepower notify-threshold percentage55-18 Show environment power mod Displaying the Switch Power Environment for ModulesConsole show port inlinepower 4/1 detail Console enable show environment powerEnter the set port auxiliaryvlan mod/port auxvlanid command Configuring the Auxiliary VLANs on Catalyst LAN SwitchesUnderstanding the Auxiliary VLANs 55-20Configuring the Auxiliary VLANs Auxiliary Vlan Configuration GuidelinesSet port auxiliaryvlan mod /ports vlan Untagged dot1p noneDisabling the Auxiliary VLANs Until an IP Phone is Detected Verifying the Auxiliary Vlan ConfigurationKeyword Action 55-22Configuring a Port Voice Interface Configuring the Access Gateways55-23 Displaying the FDL Statistics Displaying a Port Voice Interface ConfigurationShow port voice interface mod /port Show port voice fdl mod /portConsole enable show port voice fdl 7/1-3 Displaying the Port Configuration for the Individual PortsField Description Show port mod /port55-26 Port T1/E1 Pstn Interface ModuleConsole show port 55-27 55-28 Port FXS Analog Interface ModuleShow port voice active mod/port Displaying the Active Call InformationAll call conference transcode ipaddr 55-29Console show port voice active 55-30Console show port voice active 3/2 Understanding How QoS Works in the Cisco IP Phone Configuring QoS in the Cisco IP Phone55-31 Setting the Phone Access Port Trust Mode Configuring QoS in the Cisco IP PhoneSet port qos mod/ports...trust-ext trusted UntrustedSetting the Phone Access Port CoS Value Configuring a Trusted Boundary to Ensure Port SecurityVerifying the Phone Access Port QoS Configuration 55-33QoS, Cisco IP Phone, and PC Configuration QoS and Cisco IP Phone ConfigurationSupported Cisco IP Phones 55-3455-35 Trusted Boundary Configuration Guidelines55-36 Configuring a Trusted BoundarySpecifying a Cisco IP Phone as the Trust Device Default ConfigurationVerifying a Port’s Trust-Device State 55-3755-38 Understanding SmartPorts MacrosSmartPorts-Cisco Softphone SmartPorts-Cisco IP Phone55-39 SmartPorts Guidelines and Restrictions Ciscoipphone Command Output Command DescriptionCLI Interface for SmartPorts 55-41Console enable set port macro 3/1 ciscoipphone vlan Ciscosoftphone Command OutputConsole enable set port macro 3/1 ciscosoftphone vlan Detailed SmartPorts StatementsCiscoipphone Macro Statement How to Use SmartPorts in Your NetworkCiscosoftphone Macro Statement Keyword Port TypeCiscorouter SmartPorts Template SmartPorts Enhancements in Software Release55-44 Ciscodesktop SmartPorts Template Ciscoswitch SmartPorts Template55-45 Set port macro mod/port ciscodesktop vlan vlanCiscosoftphone SmartPorts Template Ciscoipphone SmartPorts Template55-46 Set port macro mod/port ciscosoftphone vlan nativevlanGlobal SmartPorts Template Configuring User-Definable SmartPorts MacrosOverview 55-47Console enable set macro name videophone Using the CLI to Configure User-Definable SmartPorts MacrosCreating User-Defined Macros 55-48Defining Variables Modifying Existing User-Defined Macros55-49 Applying a User-Defined Macro Using Special Variables55-50 Console enable set port macro 3/7 videophone Console enable set port macro 3/2 videophone55-51 Displaying Macro Variables Displaying MacrosShow macro name nameofmacro show macro all 55-52Clear macro name nameofmacro clear macro all Clearing Macros and Macro Variables55-53 Show macro map all name nameofmacro port mod/port Displaying Macro Port Mappings55-54 Console enable show macro map port 3/2 Configuring a Macro within a Macro55-55 55-56

OL-8978-02 specifications

Cisco Systems OL-8978-02 is a comprehensive training curriculum designed to enhance the skills and knowledge of network professionals seeking to advance their careers in network management and security. This curriculum offers a significant focus on Cisco networking technologies and concepts, ensuring that learners are well-equipped to handle the intricacies of modern network environments.

One of the primary features of OL-8978-02 is its in-depth coverage of foundational networking concepts, which are crucial for effective network administration. The curriculum includes detailed modules on networking fundamentals, such as OSI and TCP/IP models, LAN and WAN architectures, and network protocols. This solid foundation enables learners to understand how different networking components interact and function together, forming the backbone of corporate and enterprise environments.

In addition to foundational knowledge, OL-8978-02 integrates a strong focus on security technologies and practices. Considering the increasing prevalence of cyber threats, the course emphasizes the importance of implementing robust security measures. Participants will learn about firewalls, intrusion prevention systems, VPNs, and other critical security technologies. This focus ensures that learners are prepared to safeguard networks against evolving security threats, a necessity in today’s digital landscape.

Another distinguishing characteristic of the OL-8978-02 curriculum is its emphasis on hands-on experience. The program often includes practical labs and simulations, allowing participants to apply theoretical knowledge in real-world scenarios. This experiential learning approach is pivotal for solidifying skills and boosting confidence in network management tasks.

Furthermore, OL-8978-02 addresses the latest advancements in networking technology, including software-defined networking (SDN) and cloud computing. By introducing emerging technologies, this curriculum ensures that professionals remain ahead of the curve, ready to adapt to the future demands of networking.

Finally, Cisco Systems OL-8978-02 positions itself not only as an educational tool but also as a career catalyst, providing learners with skills that are highly sought after in the IT job market. Upon completion, participants often find themselves well-prepared for various Cisco certifications, which can enhance their employability and professional growth opportunities in a competitive landscape. Through its thorough approach, OL-8978-02 plays a vital role in shaping the next generation of network professionals.
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