Cisco Systems 2950, 2955 Upgrading LRE Switch Firmware

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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide

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Chapter 12 Configuring LRE

Upgrading LRE Switch Firmware

To turn off the logging of events, use the no logging lre {event | extended | normal} interface

configuration command.

Upgrading LRE Switch Firmware

The Catalyst 2950 LRE switch can store and properly apply LRE binaries in case there are updates

required to the firmware on the switch local LRE controllers or connected CPE devices.

Other desirable upgrade-related features include:

• Allowing you to use an earlier version of the LRE software if required.

• Simplifying the upgrade process as much as possible, especially in cases where you want to upgrade

multiple CPE devices by using a single command.

Note Whether upgrading a single CPE device or all CPE devices connected to an LRE switch, the expected

duration of an LRE upgrade is 3 to 6 minutes. (CPE devices connected to marginal links might take

longer than this to upgrade.)

You perform an upgrade by using the hw-module slot module-slot-number upgrade lre [force] [local

ctrlr-unit-number | remote interface-id] privileged EXEC command.

Automatic upgrading is not supported. You can upgrade in one of these ways:

• Upgrade a single remote CPE device.

• Upgrade a single local LRE controller (local LRE chipset).

• Upgrade all CPE devices and local chipsets that require an upgrade (a system-wide upgrade, which

is the default).

In the absence of any LRE upgrade configurations, the LRE upgrade attempts to upgrade all local LRE

controllers and CPE devices to the most recent compatible versions of the LRE binaries required for each

LRE target device. LRE upgrade configurations should rarely be required. The primary purpose of LRE

upgrade configuration commands is to provide for downgrades of LRE binaries.

If you wish to override the automatic switch selection of LRE binaries, these methods are available:

• Global LRE upgrade configuration commands

• LRE controller configuration commands

You can specify the LRE binary or binaries for a specified target type. A target type is the family (and

optionally the model or model revision) of a device containing one or more upgradable hardware

elements. A target can be a local LRE controller on the switch or a remote CPE device.

You can perform global LRE upgrade configurations by entering the upgrade binary and the upgrade

preserve controller configuration commands.

Step 5 show running-config Verify the change.

Step 6 copy running-config startup-config (Optional) Save your entries in the configuration file.

Command Purpose