Appendix C Firmware Upgrade and Downgrade Procedures

Finding the Right Procedure

 

 

 

Table C-2 Graceful Firmware Upgrade/Downgrade Version Matrix

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

F

 

 

 

 

G

 

 

 

 

 

Graceful Upgrade

 

Graceful Upgrade

 

Graceful Downgrade

 

 

1 Core Card Set

 

 

2 Core Card Set

 

 

1 Core Card Set

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

To

 

To

To

To

 

To

To

To

To

 

To

To

To

To

 

 

2.x

 

3.x

4.x

5.x

 

2.x

3.x

4.x

5.x

 

2.x

3.x

5.x

4.x

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

From Rel. 2.x

13

 

—

—

—

 

15

—

15

via

 

14

—

—

—

 

 

 

 

 

 

 

 

 

 

 

4.x

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

From Rel. 3.x

—

 

17

—

—

 

—

19

21

via

 

—

18

—

—

 

 

 

 

 

 

 

 

 

 

 

4.x

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

From Rel. 4.x

—

 

—

22

22

 

—

—

23

23

 

—

—

24

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

From Rel. 5.x

—

 

—

22

22

 

—

—

23

23

 

—

—

24

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

Graceful Downgrade 2 Core Card Set

To

To

To

To

2.x

3.x

4.x

5.x

 

 

 

 

16

—

—

—

 

 

 

 

—

20

—

—

 

 

 

 

—

—

25

25

 

 

 

 

—

—

25

25

 

 

 

 

Finding the Right Procedure

To find which procedure to use, perform the following steps.

Step 1 Determine whether the desired procedure is an upgrade or a downgrade, and whether the MGX has a 1-core card set or a 2-core card set.

Using this information look at the table headings to determine which table to use.

For example, to perform a graceful upgrade on a 2-core card set, use Table F.

Step 2 Look down the left side of the table to select the row for the appropriate from release.

Step 3 Look across the top of the table to select the column for the appropriate to release.

Step 4 Read the procedure number from the selected cell (position) in the table.

Step 5 Proceed to the appropriate procedure in the “Standard Upgrade and Downgrade Procedures” section or the “Graceful Upgrade and Downgrade Procedures” section.

Step 6 Perform the procedure.

Standard Upgrade and Downgrade Procedures

These procedures must be performed at a UNIX workstation that has an operational data path to the MGX 8220. The workstation must be able to send MGX 8220 CLI commands and UNIX Trivial File Transfer Protocol (TFTP) downloads.

A Cisco WAN Manager (CWM) workstation attached to a BPX is one method in which MGX 8220 commands and TFTP commands can be run on the MGX 8220 using an in-band channel. The workstation can also be attached to the MGX 8220 through an Ethernet LAN, or through a TCP/IP connection on the control port on the ASC.

 

 

Cisco MGX 8220 Installation and Configuration

 

 

 

 

 

 

 

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

 

 

C-3

 

 

 

 

 

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Cisco Systems MGX 8220 manual Finding the Right Procedure, Standard Upgrade and Downgrade Procedures
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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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