Ericsson EDN312 Guia do Utilizador descarregar pdf (Página 16)

Function Description

4/1553-HSC 901 101/2 Uen B 2009-02-27

If no module is stored in any of the flash areas of the node, a SW module

will be downloaded from the Domain File Server using TFTP.

Priorities between the different possible SW applications are: active flash

area, passive flash area and then module from the Domain File Server.

This means that the switch will start using the application SW in the active

area first, and if the active area does not contain any SW it will try to use

the application SW stored in the passive area. If the passive area does not

contain any SW the node will start downloading the application SW from

the Domain File Server as described above.

TFTP

Passive Area: New Application SW

Active Area: Old Application SW

Flash memory

Domain File Server

New Application SW

Active Area: New Application SW

Passive Area: Old Application SW

Flash memory

The Active Area and the

Passive Area Swaps “Role”

The node is Rebooted and will start-up

with the new application SW

Figure 6 Upgrading Application SW to the ESN108 or EXN104

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