Cisco MGX 8260 Node Management

Configuring System Parameters

Configuring the Management Interfaces

Synchronizing the System Clock

Configuring Lines

Configuring Voice Ports

Viewing Active Calls

Understanding MGCP

Configuring MGCP

Understanding Sessions

Configuring Sessions

Understanding ISDN D Channels Usage

Configuring D Channels

Configuring IPDC

Managing Announcement Files

Cisco MGX 8260 Node Management

You configure Cisco MGX 8260 Media Gateway nodes from the Cisco WebViewer (see the "Cisco WebViewer Sessions" section). This chapter includes the following topics:

Configuring System Parameters

The Cisco MGX 8260 Media Gateway system parameters include the following:

General system parameters—Rack and node information
System group parameters—Location, status, and services information
DS1 mode—Operational mode for the chassis, either DS1 or E1
Protocol mode—Call control mode for the chassis, either MGCP or IPDC
Date and time

The following table summarizes the Cisco WebViewer support for system parameter configuration.

Table 7-1: System Configuration Map

Configuration Task	Navigation Tree Selection	Screen	Screen Link
System and group parameters, DS1 mode, or protocol mode	Node>System	System Configuration	Set
Date and time	Node>System	System Configuration	Set

Configuring the Management Interfaces

You configure the MGX 8260 management interface for local or remote operation by setting the appropriate IP addresses and management paths. Assign management IP addresses for each of the following management interfaces that you plan to use:

Ethernet 10BaseT management interface—IP addresses for the interfaces
IP route setup—Destination, gateway, protocol, and routing table information

Note If you change the IP address of the port the WebViewer is using, you will interrupt the session.

The following table summarizes the Cisco WebViewer support for management interface configuration.

Table 7-2: Management Interface Configuration Map

Configuration Task	Navigation Tree Selection	Screen	Screen Link
IP addresses	Node>Management IP	Management IP Settings	Set
IP route setup	Route>IP Route Setup	IP Route	I for details + to add a route - to delete a route

Synchronizing the System Clock

The MGX 8260 clock module has three synchronization options:

Building Integrated Timing Source (BITS)—A high quality timing source that synchronizes all equipment in the building
Line—A clock derived from the SONET, DS3, or DS1 line
Local—An internal MGX 8260 timing source

You assign one clock as the primary source and another as the secondary source. When using the line clock source, specify both the line and slot associated with the source.

During normal operation, the primary clock is the active source and the secondary clock is the backup. If the active source fails, the Cisco MGX 8260 Media Gateway switches to the backup clock and reports an alarm. Also, you can switch to the backup source manually. This section explains how to set primary and secondary clocks and view clock status.

The following table summarizes the Cisco WebViewer support for clock source configuration.

Table 7-3: Clock Source Configuration Map

Configuration Task	Navigation Tree Selection	Screen	Screen Link
Primary and secondary clock source for serial lines	Node>Clock Source	Clock Source	Set
Switching clock sources	Route>Clock Source	IP Route	Switch Clock Source

Configuring Lines

Line and port management screens facilitate viewing, configuring, and deleting voice and data services. The following list summarizes the line configuration parameters:

DS0—Line number, port, and operational status
DS1 or E1—Line number, port, parameters, and operational status
DS3—Line number, port, parameters, and operational status
DMC mapping—Source and destination DS1 and DS3 lines
Fast Ethernet—IP address, gateway, protocol, and operational status
Static Route—Destination, line, port, and priority

Note The DS1 and E1 modes are mutually exclusive.

The DMC maps source DS1 channels from the DS3 interface to destination DS1 channels on the NSCs. The mapping is one-to-one and can connect any source DS1 to any destination DS1.

Note The NSC should be in the backplane more for correct DMC operation.

Table 7-4: Line Configuration Map

Task	Navigation Tree Selection	Screen	Screen Link
View all lines	Line>All-Lines>All-Lines	Common Line	i for details
DS0 channel configuration	Line>Dsx0>All-Dsx0	Dsx0 Status	- to delete
DS1 line configuration	Line>Dsx1-T1>All-Lines	Dsx1-T1 Line Configuration	+ to add i to change - to delete
E1 line configuration	Line>E1>All-Lines	E1 Line Configuration	+ to add i to change - to delete
DS3 line configuration	Line>Dsx3>All-Lines	Dsx3 Line Configuration	+ to add i to change - to delete
DMC line mapping	Line>DMC T3-T1 Mapping	DMC T3-T1 Mapping	+ to map i to change - to delete
Fast Ethernet line configuration	Line>Ether>All-Lines	Ether Line Configuration	+ to add i to change - to delete
Fast Ethernet admin status change	Line>Ether>All-Lines	Ether Line Configuration	Link Up or Link Down
OC-3 line configuration	Line>SONET>All-Lines	Sonet Line Configuration	+ to add i to change - to delete
SONET E-RDI and trace configuration	Line>SONET>All-Lines	Sonet Line Configuration	i to change

Configuring Voice Ports

This section describes the procedure for viewing, adding, or changing voice ports. Voice ports identify the physical location and characteristics of a voice interface at a DS0 level. A Media Gateway Controller manages SVC (Switched Virtual Circuit) end points and connections.

The Cisco MGX 8260 Media Gateway identifies a voice port by a logical port number that is independent of the port's physical location. The following parameters describe the physical location:

Slot number
Port number
DS0 number

NSC lines always need a voice port configured; BSC lines have a default configuration. When you add or change a voice port, you associate a logical port number with these physical descriptors. Voice ports have settings for dejitter, packet loading, and other voice parameters.

Table 7-5: Voice Port Configuration Map

Task	Navigation Tree Selection	Screen	Screen Link
View all ports	Port>All-Ports	Common Port	i for details
View voice ports	Port>Voice>All-Ports	Voice Port Configuration	+ to add i to change - to delete

Viewing Active Calls

Active call information is useful for audits or trouble analysis. The Cisco MGX 8260 Media Gateway displays active calls as follows

Viewing calls by physical resource
Viewing calls by transaction

The following table summarizes the Cisco WebViewer support for active calls:

Table 7-6: Active Call Status Map

Task	Navigation Tree Selection	Screen	Screen Link
View calls by resource	Calls>Physical Calls>All-Calls	Active Call Physical Table	None
View calls by transaction	Calls>All-Calls>All-Calls	Active Call Physical Table	None

Understanding MGCP

This section describes how to configure and view MGCP (Media Gateway Control Protocol). The following diagram shows how to configure MGCP IP addresses in a fullyredundant system (see Figure 7-1).

Figure 7-1: MGCP Addresses and Ports

A non-redundant system consists of a primary MGC network, the Cisco MGX 8260 Media Gateway, and an IP network. You can add the secondary network or MGC for more reliable operation.

Configuring MGCP

To configure MGCP, you perform the following tasks:

Set the domain name
Set IP addresses and ports—The primary MGC, secondary MGC, and local addresses
Configure MGCP core settings—The protocol timers and retry settings
View message statistics
Set MPC scalars—The voice channel encoding type, echo cancellation, and so on

The following table summarizes the Cisco WebViewer support for MGCP:

Table 7-7: MGCP Configuration Map

Task	Navigation Tree Selection	Screen	Screen Link
Switch from IPDC to MGCP	Node>System	System Configuration	Set
View connection status	Protocol>MGCP>Default	MGCP Default Setting
Domain name configuration	Protocol>MGCP>Default	MGCP Default Setting	Set
IP address configuration for primary MGC, secondary MGC, and local port	Protocol>MGCP>Default	MGCP Default Setting	Set
Core MGCP parameter configuration	Protocol>MGCP>Core	MGCP Core Setting	Set
View message statistics	Protocol>MGCP>Message Stats	MGCP Message Statistics
Default call setup parameters	Protocol>MGCP>MPC Scalars	MPC Scalar	Set

Understanding Sessions

The session manager organizes individual sessions into groups and sets (see Figure 7-2).

Figure 7-2: Organization of Sessions

The backhaul sessions and groups include the following components:

Session—A connection between two points, defined by a local IP address and port and a remote IP address and port. The Cisco MGX 8260 Media Gateway supports four sessions per set, two for each session group.
Session Group—A collection of one or more sessions for a single MGC. Typically, the individual sessions implement network redundancy. The Cisco MGX 8260 Media Gateway supports two session groups per set.
Session Set—A collection of session groups, typically used to group session groups for redundant MGCs. The Cisco MGX 8260 Media Gateway supports up to six session sets for a total of up to 24 sessions.

When adding sessions, you create a structure that supports reliable operation. The goal for a fully redundant system is to provide multiple management sessions to multiple MGCs via multiple physical networks (see Figure 7-3).

Figure 7-3: Logical Session Model

If the MGC cannot handle all D Channels in one session set, then configure another similar set using different UDP ports and D Channels.

Configuring Sessions

To configure ISDN backhaul signaling, set the following parameters:

Session sets—The redundancy mode and range of lines to control
Session groups—The group number and associated session set number
Sessions—The local IP address and port, and associated group and set numbers

The following table summarizes the Cisco WebViewer support for sessions:

Table 7-8: Session Configuration Map

Task	Navigation Tree Selection	Screen	Screen Link
Session set configuration	Protocol>Backhaul>Set	Session Set	+ to add - to delete
Session group configuration	Protocol>Backhaul>Group	Session Group	+ to add - to delete
Session configuration	Protocol>Backhaul>Session	Session	+ to add - to delete c for counters

Understanding ISDN D Channels Usage

The Cisco MGX 8260 Media Gateway extends D Channel signaling to an MGC via a backhaul channel (see Figure 7-4).

Figure 7-4: D Channel to Media Gateway Controller

Each BSC contains 168 T1 lines, each a potential Primary Rate ISDN line. An ISDN line contains 24 channels, one of which is the D Channel that carries the signaling information for the other 23 channels. The BSC card can terminate a D Channel signaling stack and pass the payload to an MGC, via the SCC, using a backhaul session.

The following procedures describe how to configure a D Channel for a backhaul session. The procedures assume you already have a DS3 line, and have provisioned a PRI ISDN line on one of its circuits. ISDN D Channels can be difficult to configure because they have many settings, so the Cisco MGX 8260 Media Gateway simplifies the process by grouping common settings into two types of profiles:

Digital Link Service Access Profile (DLSAP)
Media Access Control Service Access Profile (MACSAP)

When adding D Channels, you simply specify suitable profiles that contain the desired configuration set. You can create profiles using default settings that accommodate the signaling requirements for common applications.

Configuring D Channels

The Cisco MGX 8260 Media Gateway simplifies the process of creating D Channels with DLSAP and MACSAP profiles. These profiles provide a template of parameter settings that you apply when adding D Channels. Changes you make to the profiles apply only to lines you subsequently add, not to lines that already exist. If you want to change the configuration of a D Channel, delete it first and then recreate a new one using the new template.

The following section describes the high-level procedure for configuring a D Channel on an existing DS3 trunk:

Step 1 Define a DLSAP profile.

Step 2 Define a MACSAP profile.

Step 3 Define a D Channel on a PRI ISDN line within the DS3 trunk, using the profiles you defined in Steps 1 and 2.

The following table summarizes the Cisco WebViewer support for D Channels:

Table 7-9: D Channel Configuration Map

Task	Navigation Tree Selection	Screen	Screen Link
MACSAP profile configuration	Protocol>ISDN>Macsap Profile	Macsap Profile	+ to add - to delete
D Channel configuration	Protocol>DChan Config	D Chan Config	+ to add - to delete i for details c for MACSAP counters A for DLSAP counters
Viewing LAPD parameters	Protocol>ISDN>Lapd	LAPD Card Table	none

Configuring IPDC

IPDC is an alternative to the MGCP protocol for controlling voice calls through the Cisco MGX 8260 Media Gateway. When using IPDC, you do not have to configure sessions or backhaul channels.

Note Cisco MGM does not support IPDC.

To configure IPDC, configure the following parameters:

MGCP or IPDC mode
IP addresses and ports—The IP addresses and health check status for IPDC
Core settings—The protocol operational timers and settings
COT tones—The continuity test receive and transmit tones
IPDC timers—The IPDC link timer settings

The following table summarizes the Cisco WebViewer support for IPDC:

Table 7-10: IPDC Configuration Map

Task	Navigation Tree Selection	Screen	Screen Link
Switch from MGCP to IPDC	Node>System	System Configuration	Set
View IPDC status	Protocol>IPDC>Configuration	IPDC Configuration
IP address configuration	Protocol>IPDC>Configuration	IPDC Configuration, Soft Switch Configuration pane	Set
Pseudo IP address configuration for Fast Ethernet ports	Protocol>IPDC>Configuration	IPDC Configuration, Status and Core Setting pane	Set
IPDC core protocol settings	Protocol>IPDC>Configuration	IPDC Configuration, Status and Core Setting pane	Set
COT configuration	Protocol>IPDC>Configuration	IPDC Configuration, COT Configuration pane	Set
IPDC timer configuration	Protocol>IPDC>Timer	IPDC Timer Configuration	Set
IPDC and health check activation	Protocol>IPDC>Configuration	IPDC Configuration, Soft Switch Configuration pane	Set

Managing Announcement Files

Announcement files contain voice messages that the system can play for users. The announcement file parameters include the following:

Message duration
File ID, name, size, and encoding

The following table summarizes the Cisco WebViewer support for announcement file configuration.

Table 7-11: Announcement File Configuration Map

Configuration Task	Navigation Tree Selection	Screen	Screen Link
View duration information	Node>Announcement File>Duration	Duration Information for Announcement Files
Activate, deactivate, or remove a file	Node>Announcement File>File	Announcement File	+ to activate - to deactivate R to remove

Table of Contents

Cisco MGX 8260 Node Management