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May 2001
These release notes describe new features and caveats in system Software Release 1.0.2 for the Cisco Media Gateway Manager. Use these release notes in conjunction with the documentation listed in the "Related Documentation" section.
Obtaining Technical Assistance
The Cisco Media Gateway Manager (Cisco MGM) can deploy, configure, and manage a group of Release 1.2 Cisco MGX 8260 Media Gateways in one or more Points of Presence (POP). Cisco MGM conforms to the Telecommunications Management Network (TMN) model, operating as an Element Management System (EMS) at the element management layer. Cisco MGM supports four of the five major OSI system management functional areas—fault, configuration, performance, and security.
Cisco MGM has the following platform and software requirements.
The platform resources you need depend on the number of Cisco MGX 8260 Media Gateways and their configurations. Table 1 lists the minimum configuration for Cisco MGM Server and Client.
| Resource | Cisco MGM Server | Cisco MGM Client |
Hardware | Sun Ultra 60 Workstation | Sun Ultra 5 workstation |
Operating system | Solaris 2.6 with CDE 1.3 or | Solaris 2.6 with CDE 1.3 or |
Memory | 1 GB RAM | 256 MB RAM |
Disk space | Four hard disks, 9 GB or larger1 | One hard disk, 9 GB or larger |
Processor | Two x 360 Mhz | 333 Mhz |
Swap space | 2 GB | 2GB |
Monitor | 17-inch color | 17-inc color |
Graphics card | 24bit | 24bit |
CD-ROM | Local or remote | Local or remote |
| 1Do not substitute a smaller number of larger drives. |
You need the following software for Cisco MGM 1.0.2:
Cisco MGM supports four of the five major OSI system management functional areas—fault, configuration, performance, and security. Cisco MGM also conforms to the Telecommunications Management Network (TMN) model, operating as an Element Management System (EMS) at the element management layer. As such, Cisco MGM manages a subnetwork of homogenous network elements.
Cisco MGM includes a graphical user interface (GUI) that displays network information and supports device management. This interface extends the capabilities of the Cisco Element Management Framework (Cisco EMF) to include managing Cisco MGX 8260 Media Gateways. Cisco MGM includes links to two management tools, the Cisco WebViewer and the Cisco MGX 8260 command line interface, from which you configure individual nodes. Network management layer applications can communicate with Cisco MGM through an optional CORBA IDL interface provided by the Cisco Voice CORBA Gateway (Cisco VCG). This gateway is a separate product that extends the capabilities of the Cisco MGM product.
Release 1.0.2 for Cisco MGM removes some of the feature limitations in Release 1.0.1. See the "Release Contents" section for more information.
For detailed instructions on installing the Cisco Media Gateway Manager, refer to Chapter 2 of the
Cisco Media Gateway Manager User's Guide.
 |
Caution Always run cemf stop to gracefully shut down Cisco EMF and Cisco MGM processes before rebooting the machine. If the machine is accidentally rebooted (or restarted due to power failure), the Cisco MGM database integrity may be damaged, and you may need to run cemf reset and rediscover the network to restore normal operation. Running low on swap space leads to the same problem. Make sure that a minimum of 2 GB of swap space is allocated on the server machine. |
ERROR: "/opt/cemf/config/scripts/session" command failed.
ERROR: Cannot connect to Session
events - Running "/opt/cemf/config/selfManagement/actions/p.events partitioning"
viewspec - Running "/opt/cemf/config/selfManagement/actions/p.viewspec"
ObjectFileParser: create/delete failure.
ERROR: Action returned an error.
events - Running "/opt/cemf/config/selfManagement/actions/p.events viewspec"
processes - Running "/opt/cemf/config/selfManagement/actions/p.processes"
events - Running "/opt/cemf/config/selfManagement/actions/p.events processes"
objectspec - Running "/opt/cemf/config/selfManagement/actions/p.objectspec"
ObjectFileParser: create/delete failure. Object Name = 'dummyChassis' (Path error)
ERROR: Action returned an error.
events - Running "/opt/cemf/config/selfManagement/actions/p.events objectspec"
The contents listed below address the customers requirements for enhancements of certain features to Cisco MGM 1.0.1 release.
Table 2 describes the known problems in Cisco MGM 1.0.2.
| DDTS ID | Description | Impact | Workaround |
|---|---|---|---|
CSCds39117 | After subchassis discovery, the MGCP object is shown as normal on the CEMF Map View (hierarchy tree and topology view). However, WebViewer shows MGCP core operational and admin status as down. | The normal status of MGCP icon on the CEMF GUI does not necessary mean MGCP is activated on the chassis. | You can use Object Configuration of the CEMF GUI to browse the operational and admin status on the MGCP. |
CSCds56948 | Chassis sync-up does not display the alarms which were cleared in the Event Browser which were still solid red at chassis. | Color on object indicators represent the highest severity uncleared alarm on the object, but not the status of the resource on the chassis. For status of the resource that the object represents, use the Object Configuration window to query the information. | You can still see the alarm history of the object by opening Event Browser against the object, and selecting Cleared alarms from the display criteria dialog |
CSCdt01876 | Community strings modified using the CEMF Object Configuration GUI are shown in the CMGM Configure Community String dialog.
| Misleads the user (of CMGM Config Community String dialog) to believe that the values that are shown are already applied to the chassis and all the children objects even before hitting the OK button on the GUI. | User should always use CMGM Config Community String dialog; user should not use CEMF Object Configuration GUI to change the values for community strings.
|
CSCdt01949 | The user attributes, Read Only Community String and Read Write Community String, on chassis objects of CMGM are not scrambled on the CEMF Object Configuration GUI. | An unauthorized user who can still log in to CEMF will be able to see the real read/read-write community strings being configured on the corresponding chassis. | Not available in this release. |
CSCdt27407 | Abnormal termination of Cisco MGM installation / deinstallation causes the system to be in an abnormal condition. | User may not be able to install or deinstall Cisco MGM again, and the selection options may not show Cisco MGM as a selectable option. | Manually remove /var/sadm/pkg/cmgmpkgm directory, and rerun Cisco MGM installation. |
CSCdt29313 | Incorrect result value with D Channel deletion action. | D Channel deletion action returns incorrect status code to VCG when an out-of-range index is used. | Use 1 to 16 for D Channel index on NSC, and 1 to 168 for D Channel index on BSC. |
CSCdu04112
| Card is removed from a CEMF Object Group when the corresponding physical card is reset on the chassis.
| If Event Manager is monitoring the Object Group, it will no longer monitor thresholds for the card. | After the card reappears on the CEMF Map Viewer, reconfigure the Object Group to include the card. |
The Cisco publications in Table 3 contain additional information related to the operation of Cisco MGM.
| Documentation | Description |
Cisco Element Manager Framework User Guide DOC-7810791= | This book describes the element management framework on which the Cisco Media Gateway Manager is based. |
Cisco Media Gateway Manager for the MGX 8260 Media Gateway User Guide DOC-7811705= | This book describes the Cisco Media Gateway Manager features and operational procedures. |
Cisco Voice CORBA Gateway for the MGX 8260 Media Gateway Developer Reference Guide DOC-7811706= | This book describes the CORBA/IDL interface for the Cisco Media Gateway Manager. |
Cisco MGX 8260 Command Line Interface Guide DOC-7810987= | This book describes how to configure MGX 8260 Media Gateways from the command line interface. |
Cisco WebViewer Guide DOC-7811012= | This book describes how to use the Cisco WebViewer tool. |
The following sections provide sources for obtaining documentation from Cisco Systems.
You can access the most current Cisco documentation on the World Wide Web at the following sites:
Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM is updated monthly and may be more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.
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