Cisco Systems 78-16845-01 manual Viewing Clocking Sources

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Chapter 3 Building the Network

3.11 How Do I Synchronize the Network for MGX Voice Gateway Devices?

Step 6 Click Apply.

Step 7 In the Domain Explorer tree, select the node that will be timed from the node that was set up in Steps 1 through 7 and choose Configuration > NE Explorer.

Step 8 In the Timing tab, complete the following:

•In the General Timing section of the General subtab:

– Timing Mode—Set to Line.

–Revertive—Not applicable for internal timing; the default setting is sufficient.

–Reversion Time—Not applicable for internal timing; the default setting is sufficient.

•In the NE References section of the Reference List subtab:

–Ref-1—Set to the STM-N trunk card with the closest connection to the node.

–Ref-2—Set to the STM-N trunk card with the next closest connection to the node.

–Ref-3—Set to Internal Clock.

Step 9 Click Apply.

Step 10 Repeat Steps 7 through 9 for each node that will be timed by the node.

3.11How Do I Synchronize the Network for MGX Voice Gateway Devices?

The CTM server and managed nodes must be synchronized with the same date and time. If the CTM server and managed nodes do not have the same date and time, there might be inconsistencies in retrieving time-sensitive data.

3.11.1 Viewing Clocking Sources

CTM supports manual clock configuration. This configures both a primary and secondary clock source, which are distributed throughout the network. The secondary clock source takes over if the primary clock source fails. You can configure a network setup with one master clock source, and a secondary to ensure network clock stability.

On Cisco MGX 8850 (PXM45) switches, clock source configuration is done on a PXM45 card, and clock sourcing information is passed to other nodes over AXSM lines.

Clock synchronization is done directly on the Cisco MGX 8880 using the CLI.

These topics are used to manage and configure clocking sources:

•3.11.1.1 Configuring Global Clocking

•3.11.1.2 Displaying the List of Available Clock Sources

•3.11.1.3 Displaying the List of Manual Clock Sources

•3.11.1.4 Creating a Manual Clock Source

Cisco Transport Manager Release 6.0 User Guide

3-64	78-16845-01

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Contents Building the Network OverviewHow Do I Build Groups? Adding GroupsCopying Groups Field DescriptionDeleting Groups Moving GroupsDeleting a Single Group Adding Network Partitions How Do I Build Network Partitions?Deleting Multiple Groups Modifying Network Partitions Deleting Network PartitionsHow Do I Build Subnetworks? Adding SubnetworksMoving Subnetworks How Do I Build NEs?Deleting Subnetworks Prerequisites for Adding ONS 15216 EDFA2 or EDFA3 NEs Prerequisites for Adding NEsPrerequisites for Adding ONS 15302 and ONS 15305 NEs Building the Network Prerequisites for Adding NEs Hostnames and IP Addresses Required An Efficient Network Topology Setup Prerequisites for Adding ONS 1580x NEs Prerequisites for Adding Cisco CRS-1 and XR 12000 NEsPrerequisites for Adding Cisco Catalyst 6509 NEs Prerequisites for Adding Cisco MGX Voice Gateway DevicesSetting Up Nonstandard Community Strings Option DescriptionChanging the Service-Level Passwords Using the CLI Adding NEs Adding a Single NENE ID Adding Multiple NEs NE ID- Read-onlyField Descriptions for the Add New NE Wizard NE Properties Panel Not selectable if Automatic subnetwork Grouping is enabled Copying an NE from One Group to Another Moving an NE from One Group to AnotherMoving an NE from One Network Partition to Another Automatically Grouping NEs in SubnetworksDeleting NEs Deleting a Single NEDeleting Multiple NEs Removing a Deleted NE Restoring a Deleted NE How Do I Build Links?Searching for an NE Overview of Supported Links ONS 15454 Sonet NE Model NE Card Physical LayerOPT-BST ONS 15600 Sonet Viewing the Link Table File10describes the fields in Link table Field Description Filtering the Link Table Filtering Links in the Network MapCreating Links Building the Network Creating Links 12 Field Descriptions for the Create Link Wizard Field Descriptions for the Create Link Wizard Field Modifying LinksLink Type Link Validity Link Color 14 Field Descriptions for the Modify Link Wizard Deleting Links Viewing Link UtilizationFiltering the Link Utilization Table Column DescriptionCustomizing a Network Map How Do I Use Network Maps?Payload Type Description Click UI Properties Adjusting the Zoom Level or Pan Position Viewing a Node in the Network MapModifying a Node Icon Modifying a Node Icon or a Map Background ImageModifying a Map Background Saving Changes to the Network Map Discovering ONS 155xx NEs Discovering CTC-Based NEsDiscovery Information Table Rediscovering ONS 155xx, CRS-1, and XR 12000 NEs Time stampResetting the Resync Interval How Do I Discover the Network for MGX Voice Gateway Devices? Discovering NEs Message Quality DescriptionSetting Up External or Line Timing for CTC-Based Sonet NEs Building the Network Setting Up Internal Timing for CTC-Based Sonet NEs Bits 1 OUTOOS Setting Up External or Line Timing for CTC-Based SDH NEs Unframed , FAS , FAS + CAS Bits 1 OUT Setting Up Internal Timing for CTC-Based SDH NEs Viewing Clocking Sources Displaying the List of Available Clock Sources Configuring Global ClockingDisplaying the List of Manual Clock Sources Creating a Manual Clock Source How Do I Test Connectivity for Optical and Routing Devices?Method Description How Do I Test Connectivity for MGX Voice Gateway Devices? Testing NE ConnectivityPinging an NE Cisco Transport Manager Release 6.0 User Guide 78-16845-01

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