Cisco Cisco MGX 8230 and 8250 Modules Guia De Resolução De Problemas
MGX 8250 and MGX 8850 (PXM1) − Boot Code and
Firmware Graceful Upgrade Script
Firmware Graceful Upgrade Script
Document ID: 6934
Contents
Introduction
Before You Begin
Conventions
Prerequisites
Components Used
Background
Task Detail
Stage 1: Planning
Stage 2: Network Preparation
Stage 3: The Upgrade
Appendix A − Network Health Check
Related Information
Before You Begin
Conventions
Prerequisites
Components Used
Background
Task Detail
Stage 1: Planning
Stage 2: Network Preparation
Stage 3: The Upgrade
Appendix A − Network Health Check
Related Information
Introduction
This document describes the Cisco recommended 28−step process for an MGX 8850 Edge Switch graceful
upgrade.
upgrade.
Before You Begin
Conventions
For more information on document conventions, see the Cisco Technical Tips Conventions.
Prerequisites
Graceful upgrades cause little or no service disruption and are recommended when upgrading:
To a compatible firmware version.
•
To a compatible database / Management Information Base (MIB) structure.
•
To a redundant MGX 8850 with two Processor Switch Modules (PXMs).
•
The MGX 8850 graceful upgrade uses the following commands. All commands are case sensitive.
Command
Switch
Software
Upgrade
Equivalent
Function
install
first loadrev to
new version
new version
Loads the new firmware version.
newrev
runrev to new
version
version
Executes the new firmware
version. Results in a switchcc
from the Active PXM / Primary
version. Results in a switchcc
from the Active PXM / Primary