The Cisco 2500 series routers provide a variety of models designed for branch office and remote site environments. Additional Flash memory can be purchased to allow for dual banking or potential future code growth.
Primary memory is used to store the operating configuration, routing tables, caches, and queues.
Shared memory is used to store incoming and outgoing packets. These reduced software images disable unused ports. Series Cisco 1400 Series Cisco 1600 Series Cisco 1720 Router Cisco 1750 Router Cisco 2500 Series Cisco 2600 Series Cisco 3600 Series Cisco 3810 Router Cisco 4000 Series .