Cisco 2950G 24 Software Configuration Guide - Page 265
Global Configuration of LRE Upgrades, Enter the device to which the LRE binary should be applied;
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Chapter 10 Configuring LRE Upgrading LRE Switch Firmware Global Configuration of LRE Upgrades Beginning in privileged EXEC mode, follow these steps to perform a system-wide upgrade to configure the LRE binary to apply to a target device and upgradable hardware element combination: Step 1 Step 2 Step 3 Step 4 Command configure terminal lre binary default target_device LRE_binary end show lre upgrade version Purpose Enter global configuration mode. Enter the device to which the LRE binary should be applied; and the LRE binary to be applied. Return to privileged EXEC mode. Verify the change. Note The lre upgrade default mode command essentially overrides the system default selection of an LRE binary for a specified family of CPE devices (target devices). Controller Configuration of LRE Upgrades Beginning in privileged EXEC mode, follow these steps to explicitly direct the LRE binaries to be applied to either the local controller or a specific VDSL link: Step 1 Step 2 Step 3 Command configure terminal controller lre chipset_number upgrade Step 4 end Step 5 show lre upgrade version Purpose Enter global configuration mode. Enter the particular LRE local chipset on the switch to be applied. Enter the LRE binary to be applied, or set preserve, which prevents the upgrade of any CPE devices connected to a controller or local chipset. Return to privileged EXEC mode. Verify the change. You can use the upgrade configuration command in the controller submode to override the system default selection of an LRE binary that will be applied on either end of a particular LRE link. Controller configurations take precedence over global upgrade configurations. The preserve keyword causes the LRE upgrade mechanism to not upgrade the local controller on which preserve is configured or any of the CPE devices connected to that controller. If you want to preserve (in other words, not upgrade) some of the CPE devices connected to a particular controller but allow upgrades to others, you can enter controller upgrade configuration commands for the links you want to upgrade. The no form of the command removes the command for applying a particular LRE binary. To resume default upgrade behavior for a given controller, do not configure the custom upgrade commands on that controller. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide 10-17
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