Cisco 4507 ios download

To keep in line with licensing, you will want to download an IOS that has the same featureset as what you are already running.

The config should not be lost after your reboot. Depending on what you are up upgrading from and upgrading to, there may be subtle changes to the config lilke if a command in the old IOS is replaced with another in the new IOS, things like that. If you encounter a technical issue on the site, please open a support case. Communities: Chinese Japanese Korean. All Rights Reserved. The Cisco Learning Network. Download the image again in order to ensure that the switch does not go into ROMmon mode after reload.

You can also confirm the checksum of the file on the Flash device with the verify command:. Step 5: Clear the old boot variable so that switch does not boot with an old image even if the image is available in bootflash. Configure the new boot variable so that the switch boots with the new software image after the reset.

Step 6: Reset the switch so that during reload the switch boots with the new software image. The Cisco Catalyst series switches allow a standby supervisor engine to take over the function if the primary supervisor engine fails.

This way, the Cisco Catalyst series switches allow the switch to resume operation quickly in the event of a supervisor engine failure. This capability is known as supervisor engine redundancy. The software upgrade procedure, which the supervisor engine redundancy feature supports, allows you to upgrade the Cisco IOS software image on the supervisor engines without a need to reload the system.

Copy the new Cisco IOS software image to bootflash or slot0 on both supervisor engines with these commands:. Issue the redundancy reload peer command to reload the standby supervisor engine and bring the engine back online with the new version of Cisco IOS software.

Note: Before you reload the standby supervisor engine, make sure you wait long enough so that all configuration synchronization changes are complete. Conduct a manual switchover to the standby supervisor engine with the redundancy force-switchover command.

The standby supervisor engine becomes the active supervisor engine that runs the new Cisco IOS software image. The modules reload, and the module software downloads from the active supervisor engine. The originally active supervisor engine reboots with the new image and becomes the standby supervisor engine. Use the OIT to view an analysis of show command output. As a result, the switch can go into ROMmon mode. If your switch is in ROMmon and you do not have a valid image present on the bootflash or compact Flash only on Supervisor III and IV , you can recover your switch to normal mode through the software recovery procedure.

Refer to these documents for the software recovery procedure:. If a software upgrade is performed on both the active and standby supervisor engines, check whether both the supervisors run the same new software image.

The upgrade fails when the primary supervisor downloads the configuration from the secondary supervisor. The secondary supervisor copies its own boot variable to the primary supervisor. Note that these basic configuration commands are issued for SNMP version 2c. See the preceding list of documents for command and setup information.

Define SNMP read-only and read-write communities:. Step 3 Configure the router to generate notifications. You can use keywords to limit the number and types of messages generated. Step 4 Optional. Step 5 Optional. Configure the router to generate SNMP notifications related to environmental monitoring:. Skip to content Skip to search Skip to footer.

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