RouterGeek

When would you need this: When using the router as a DHCP server to provide IP addresses and related information to DHCP clients.

Specials Requirements: DHCP server software is supported for these series; 800, 1000, 1400, 1600, 1700 series (support for the Cisco 1700 series was added in Cisco IOS Release 12.0[2]T), 2500, 2600, 3600, 3800, MC3810, 4000, AS5100, AS5200, AS5300, 7000, 7100, 7200, MGX 8800 with an installed Route Processor Module, 12000, uBR900, uBR7200, Catalyst 5000 family switches with an installed Route Switch Module, Catalyst 6000 family switches with an installed MultiLayer Switch Feature Card, and Catalyst 8500.

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When would you need this: The upgrade is required when you plan to add more duties to the router or new hardware. The installation is required when the IOS image you have on the router is corrupted.

Special Requirements: The router’s flash size should be enough for the new IOS image.

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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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