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Upgrading System Memory in Cisco 2600 Series Routers

78-5125-04 B0

Upgrading DRAM

Figure 3 Removing the Cisco 2691 Router Cover

Upgrading DRAM

This section describes how to upgrade dynamic random-access memory (DRAM) on the system card.

You might need to upgrade DRAM for the following reasons:

• You have upgraded to a new Cisco IOS software feature set or release.

• You are using very large routing tables or many protocols (for example, when the router is set up as

part of both a large external network and your internal network).

To see how much memory is currently installed in the router, enter the show version command. Near the

middle of the resulting output, a message similar to the following appears:

Cisco 2610(MPC860) processor (revision 0x200) with 28672K/4096K bytes of memory.

This line shows how much memory is installed (in this example, 28672K/4096K). The first number

represents primary memory and the second number represents shared memory.

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Cisco 2650 - 2650 Router Guida di Installazione Pagina 5