Cisco Prime Collaboration Assurance Guide, 9.5
Setting up the Network for Performing Diagnostics
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Table Of Contents

Setting Up the Network for Performing Diagnostics

Cisco Mediatrace

Cisco Mediatrace on Switches

IP SLA

Performing IP SLA Video Operations Diagnostics

Media Path Analysis

NMS Application Cross-Launch

Cisco Prime NAM Cross-Launch

Setting Up Cross-Launch for a Single Cisco Prime NAM Device

Setting Up Cross-Launch for a Set of Cisco Prime NAM Devices

Cisco Prime LMS Cross-Launch

Cross-Launching Cisco Prime LMS


Setting Up the Network for Performing Diagnostics


Prime Collaboration allows you to perform network diagnostics using Cisco Mediatrace and Cisco IOS IP Service Level Agreements (IP SLA). You can also install Video SLA Assessment Agent (VSAA) software to perform diagnostics for voice and video endpoints.

While performing the troubleshooting for a session, you can also cross-launch Cisco Prime Network Analysis Module (NAM) and Cisco Prime LAN Management Solutions (LMS) applications to further analyze the issue on the network devices that are connected between the endpoints.


Note VSAA software is not supported in the MSP mode.


Cisco Mediatrace

Cisco Mediatrace enables you to isolate and troubleshoot network degradation problems for data streams. Although it can be used to monitor any type of flow, it is primarily used with video flows. It can also be used for nonflow-related monitoring, along a media flow path.

It dynamically enables monitoring capabilities on the nodes along the path, and collects information on a hop-by-hop basis.

Before Prime Collaboration can perform a Mediatrace poll, you must do the following:

Enable Mediatrace on each network node that you want to collect flow information from.

Enable the Mediatrace Initiator on the network node that you will use to configure, initiate, and control the Mediatrace sessions or polls.

Enable the Mediatrace Responder on each network node that you want to collect information from.

You can verify whether the Mediatrace initiator and responder features are enabled on the device using Prime Collaboration Inventory.

If you have enabled Cisco Mediatrace on your network nodes, Prime Collaboration provides Medianet Path View as part of the troubleshooting data. The Medianet Path View includes a graphical view of:

CPU and packet loss

Video IP bit rate and packet loss

Video interarrival jitter and packet loss

IP DSCP and packet loss

WSMA and SNMP Support in Mediatrace 3.0

If you have installed Mediatrace 3.0, WSMA credentials are not mandatory although both WSMA and SNMP are supported. Prime Collaboration allows you to configure and poll mediatrace statistics, using SNMP credentials.

If the device is a Mediatrace initiator and has SNMP Write credentials, these credentials will be used to provision Mediatrace; However, if SNMP Write credentials are not provided, and CLI Read-Write is provided, WSMA will be used to provision Mediatrace.

Cisco Mediatrace on Switches

You must enable Cisco Mediatrace on the switches from which you want to collect the flow information. Follow these guidelines while enabling Cisco Mediatrace:

Configure the Mediatrace Initiator role to the first hop switch. This is the node closest to the source.

Switch must be directly connected to the endpoint (connection must not be a dotted line). Also, CDP must be enabled on the switch.

Configure voice VLAN ID on the ingress interface for Layer 2 switches.

Configure IP RSVP snooping for Layer 2 switches (you need not configure IP RSVP snooping for Layer 3 switches).

For Cisco C or Cisco EX series devices, Prime Collaboration does not support CDP. As a result, you cannot initiate Mediatrace from a switch if the source is a Cisco C or Cisco EX series device.

IP SLA

Cisco IOS IP Service Level Agreements (IP SLAs) allow you to monitor network performance between Cisco devices (routers or switches). You must configure Cisco IOS IP SLAs Source and Responder in your network. You can verify whether the IPSLA responder feature is enabled on the device, using Prime Collaboration Inventory.

To understand and deploy the IP SLA on your network devices, see the IP Service Level Agreements (IP SLAs) technology page on Cisco.com.

Performing IP SLA Video Operations Diagnostics

If the troubleshooting IP SLA statistics are not available, Prime Collaboration supports application diagnostics to diagnose the issues and understand the root cause and recommendation.

To perform IP SLA video operations diagnostics, click Run Diagnostics. A message pops up stating the root cause and the recommendation. After you run diagnostics, Prime Collaboration can diagnose if:

The device supports IPSLA video operations.

Prime Collaboration has CLI access to the device.

IP SLA configuration is provisioned for the session running.

"To" device has IP SLA responder role configured.

NTP clock is synchronized.

"To" device is reachable from the "From" device.

voice-service dsp-reservation command is configured on the "From" device, if it is a router.

Media Path Analysis

Prime Collaboration has the capability to facilitate the readiness assessment of a network to deploy
Cisco Video or TelePresence systems. The Video SLA Assessment Agent (VSAA) is used in Prime Collaboration to provide network path characteristics (that is, latency, jitter, and packet loss) metrics before deploying or upgrading Cisco Video, TelePresence, or IP Video Surveillance (IPVS) systems and site extensions.

The agent helps to determine network issues proactively, facilitating the expected rich quality and experience of Cisco TelePresence systems after its deployment. The benefits of the VSA Agent include accelerated Cisco TelePresence systems deployment and reduction in effort and time through automation of the assessment process and reporting.

You can download the VSA Agent software from the Prime Collaboration software download site on Cisco.com. See Video SLA Assessment Agent 3.1 Installation Guide for the installation guidelines.

NMS Application Cross-Launch

Prime Collaboration allows you to perform network diagnosis using the Cisco Prime NAM and Cisco Prime LMS applications. While performing the troubleshooting for a session, you can cross-launch these applications to further analyze the issue on the network devices that are connected between the endpoints.

Cisco Prime NAM Cross-Launch

If you want to launch the Cisco Prime NAM features for a particular device while troubleshooting, you must ensure that the device is managed in both Cisco Prime NAM and Prime Collaboration applications.

Prime Collaboration requires host IP address, management IP address, and user credentials to launch the Cisco Prime NAM that is installed on the network devices.

The following NAM products with Cisco Prime NAM 5.x software releases are supported in Prime Collaboration:

Cisco Prime Network Analysis Module (NAM) for ISR G2 SRE

Cisco Branch Routers Series NAM (NME-NAM)

Cisco Catalyst 6500 Series NAM (NAM-3)

Cisco Catalyst 6500 Series and Cisco 7600 Series NAM (NAM-1, NAM-2)

Based on the Cisco Prime NAM user privilege, you can launch the following features of the Cisco Prime NAM application:

Device Interface View—Displays the total packet distribution on all interfaces.

NAM Host View—Displays the input and output traffic for the host over time, Top N application activity of the host over the selected interval, and total application usage distribution for the host.

NAM Home page—Displays the Top N Applications, Top N Application Groups, Top N Hosts (In and Out), IP Distribution by Bits (or Bytes), Top N DSCP, and Top N VLAN being monitored on your network.

The network devices that contain the NAM software must be accessible from Prime Collaboration. You must ensure that all the required credentials for routers and switches are added in Prime Collaboration.

The Prime Collaboration client and the network devices that contain the NAM must be on the same side of the network firewall. If they are on different sides, the user authentication may fail and you may be prompted to enter the Cisco Prime NAM credentials again.

Setting Up Cross-Launch for a Single Cisco Prime NAM Device

While you are performing troubleshooting for a session, you can cross-launch Cisco Prime NAM for a single device, to further analyze the issue on network devices that are connected between the endpoints.

To set up cross-launch for a single Cisco Prime NAM device:


Step 1 Choose Administration > System Setup > Assurance Setup > Cisco Prime 360 Integration.

Step 2 Click Add.

Step 3 Enter the appropriate details into the dialog box. See Table 20-1 for field descriptions.

Step 4 Click Save.


Table 20-1 Adding Cisco Prime NAM Dialog Box - Field Descriptions

Field
Description

NAM Host Device IP

IP address of the network device that contains NAM software.

Prime Collaboration manages the NAM Host IP address only. A device may be accessible through multiple IP addresses. However, the IP address that you enter must be the same as listed in the Inventory page.

NAM Management IP

IP address assigned in the network device to launch the NAM user interface. You must ensure that the NAM management IP address is unique.

Username and password

Credentials to access the Cisco Prime NAM user interface.

The user must have the required privilege to launch the Cisco Prime NAM Device Interface view, NAM Host view, and NAM home page.


Setting Up Cross-Launch for a Set of Cisco Prime NAM Devices

While you are performing troubleshooting for a session, you can cross-launch Cisco Prime NAM for a set of devices, to further analyze the issue on network devices that are connected between the endpoints.

To set up cross-launch for a single Cisco Prime NAM device:


Step 1 Choose Administration > System Setup > Assurance Setup > Cisco Prime 360 Integration.

Step 2 Click Import NAM.

Step 3 Import the NAM configuration file in the CSV file format, as follows:

host IP adress,management IP address,username,password

Step 4 Check the Replace existing entries with imported data check box to avoid duplicate entries of the Cisco NAM server in the Prime Collaboration database.

Step 5 Click OK.


Cisco Prime LMS Cross-Launch

The Cisco Prime LMS 4.1 and 4.2 versions are supported in Prime Collaboration.

For the device to be accessible from Prime Collaboration, you must ensure that all the required credentials for the device are added into Prime Collaboration.

Prime Collaboration requires the Cisco Prime LMS hostname and user credentials to launch the following Cisco Prime LMS features:

Device View—A graphical device management tool that provides real-time views of network devices. These views deliver a continuously updated physical picture of device configuration and performance conditions.

Connected Hosts—Displays details on all hosts that are connected to the access switch.

Change Audit Report (24 hours)—Displays a summary of all changes on the device for the last 24 hours. The changes can be on the software image, configuration file, and hardware.

View/Edit Configuration—Displays the archived device configuration file in the raw and processed format. If you have the required privilege you can also edit the configuration file.

Faults (24 hours)—Displays details on the alerts and events that were triggered on the device in the last 24 hours.

Syslog Messages—Displays details on the syslog messages that were triggered on the device.

System Performance—Displays all performance parameters of the device, such as memory utilization, CPU utilization, interface utilization, environmental temperature, and poller failures.

Cross-Launching Cisco Prime LMS

If you want to launch the Cisco Prime LMS features for a particular device while troubleshooting, you must ensure that the device is managed in both Cisco Prime LMS and Prime Collaboration applications.

To setup cross-launch for Cisco Prime LMS:


Step 1 Choose Administration > System Setup > Assurance Setup > Cisco Prime 360 Integration.

Step 2 Enter the required details in the Cisco Prime LMS Setup pane. See Table 20-2 for field descriptions.

Step 3 Click Save.


Table 20-2 Field Descriptions for the Cisco Prime LMS Setup Pane

Field
Description

Cisco Prime LMS Server

Hostname or the IP address of the LMS server.

If you have deployed the Cisco Prime LMS in a multiserver setup, you must enter the Cisco Prime LMS master server details.

LMS User and Password

A dummy user, configured on the Cisco Prime LMS server.

The Cisco Prime CM server uses these credentials to interact with the Cisco Prime LMS server internally. This user should not have any administrative-related privileges on the Cisco LMS server