Chapter

Configuring the Clock Source

Possible errors are

•IMA group is not yet enabled

•One of the parameters is invalid

Resilient Link—Maximum number of T1/E1 links within the AIM group that can go down and the AIM group will still remain active.

In the following example, the number of resilient link is changed to 2 and the differential delay to

100 ms. Enter the following command:

cnfaimgrp 1 100 2

Display the AIM Group

The command is dspaimgrp group number.

AXIS18.1.13.IMATM.a > dspaimgrp 1

Sample Display

IMA Group number

 

: 1

 

Port type

 

: UNI

 

Lines configured

 

: 1.2.3

 

Enable

 

: Modify

 

IMA Group state

 

: Active

 

Port Speed (cells/sec)

: 13476

 

LcpCellsPeriodicity(cells)

: 128

 

LcpDelayTolerance

(IMA frames)

: 1

 

ReadPtrWrPtrDiff

(cells)

: 4

 

NumResiliency

 

: 2

/* Resilient links */

MaxTolerableDiffDelay (msec)

: 100

/* Diff delay tolerable */

Lines Present

 

: 1.2.3

 

Remote IMA id

 

: 0x33

 

Local IMA id

 

: 0x33

/* The aim group is

Observed Diff delay (msec)

: 0

in loopback, and hence

 

 

 

local/remote id is same. */

Syntax : dspimagrp (or dspaimgrp) "imagroup_number"

IMA group number -- value ranging from 1 to 8

Explanation of some of the parameters:

Local AIMUX ID—Indicates the IMA-ID in use at the local end.

Used in AIM state machine to communicate with the other side entity.

Remote AIMUX ID—Indicates the IMA-ID in use at the remote end.

Observed Diff delay—The observed differential delay is between the two different physical links in the IMA group.

 

 

Cisco MGX 8220 Installation and Configuration

 

 

 

 

 

 

 

Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003

 

 

5-21

 

 

 

 

 

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Cisco Systems MGX 8220 manual Display the AIM Group, Uni
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MGX 8220 specifications

The Cisco Systems MGX 8220 is a versatile, high-performance media gateway that has become an integral component in the telecommunications infrastructure. Designed to facilitate the transition from traditional circuit-switched networks to advanced packet-switched environments, the MGX 8220 supports a wide array of voice, video, and data services, making it an essential tool for service providers and enterprises seeking to enhance their network capabilities.

One of the key features of the MGX 8220 is its robust signaling and media processing capabilities. Equipped with support for both Voice over IP (VoIP) and traditional telephony protocols, this gateway enables seamless integration of different communication formats. It boasts a modular architecture, which allows for the addition or removal of various line cards to meet changing demands and technology advancements. This modularity provides operators with the flexibility to scale their services without significant overhauls to their existing infrastructure.

The MGX 8220 is capable of delivering high-density media handling for a multitude of services. With its support for ATM and IP networks, the gateway can handle TDM (Time-Division Multiplexing) to packet voice conversions efficiently. It is designed to optimize network resources by dynamically allocating bandwidth based on traffic requirements, thus ensuring efficient use of network resources and improved performance.

Another significant characteristic of the MGX 8220 is its enhanced quality of service (QoS) features. This capability ensures that voice and video traffic is prioritized appropriately, minimizing latency and jitter while maximizing overall call quality. By employing sophisticated traffic management techniques, the MGX 8220 can deliver a superior user experience, which is critical for any service provider aiming to offer competitive communication solutions.

Furthermore, the gateway includes built-in security features to protect against unauthorized access and ensure the integrity of sensitive data. This includes encryption for voice and video transmission, as well as support for secure signaling protocols.

Overall, the Cisco Systems MGX 8220 stands out as a comprehensive media gateway solution, providing essential functionalities for modern communication needs. Its combination of modularity, high-density processing, effective QoS management, and security features makes it a compelling choice for organizations looking to modernize their telecommunications infrastructure while ensuring reliability and performance. As businesses continue to evolve and demand more from their networks, the MGX 8220 offers a pathway to future-ready communications.
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