0 commentsSome commands in the Cisco router configuration are just irreplaceable. The ‘show’ commands are the most widely used in Cisco routers. Here is a list of the 10 mostly used of these ‘show’ commands.
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24th Apr 07
Mohammed Alani
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23rd Apr 07 Mohammed Alani
Upgrading your router's IOS is a critical operation. You need to be careful and cautious with every command you write. Take a look on these hints and tips before you start upgrading.
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10th Apr 07 Mohammed Alani
When would you need this: When you want to copy IOS file from one router to another for the purposes of upgrade or install. This is usually required when you do not have a TFTP server around.
Special Requirements: The flash size of the destination router should be adequate for the new IOS file size.
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9th Apr 07 Mohammed Alani
When would you need this: When you want to upgrade the IOS file and you do not have TFTP of FTP servers around, so you turn to the good old console for the upgrade.
Special Requirements: The router flash size should be adequate for the new IOS image, and you should have enough RAM in the router for the operation and temporary storage of the new IOS file.
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4th Apr 07 Mohammed Alani
When would you need this: If your router flash, or IOS file are corrupted, you can use this procedure to install a new IOS file. Also, when you plan to upgrade your IOS file you can use this procedure.
Special Requirements: The router flash size should be enough for the new IOS file.
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4th Apr 07 Mohammed Alani
When would you need this: When you are planning to upgrade the IOS file or you need to copy it to another router.
Special Requirements: None.
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2nd Apr 07 Mohammed Alani
When would you need this: When you have enough space in the router’s flash and you intend to have two IOS images.
Special Requirements: To partition Flash memory, you must have at least two banks of Flash memory. A bank is a set of four chips. This requirement includes systems that support a single SIMM that has two banks of Flash memory. The minimum partition size is the size of a bank.
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