Cisco 3700 series Instruções de atualização - Página 3
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Memory Configurations
For information on configuring dynamic memory and compact flash memory, see the following sections.
Dynamic Memory
You can configure dynamic memory (SDRAM) as a mixture of primary or main memory that is reserved
for the CPU and shared memory that is used for data transmitted or received by modules and WAN
interface cards.
To examine current dynamic memory status or reconfigure memory allocation, do the following, as
appropriate:
To see how much memory is currently installed in your router, enter the show version command in
Step 1
EXEC mode. Near the middle of the resulting output, locate a message similar to the following:
Cisco XXXX processor (revision X) with 24576K/8192K bytes of memory.
This line shows how much memory is installed (in this example, 24576K/8192K). The first number
represents primary memory; the second number represents shared memory.
To configure the proportion of SDRAM devoted to main memory and to shared memory, enter the
Step 2
memory-size iomem command in global configuration mode.
For information about these and related commands, refer to the Cisco IOS configuration guides and
Note
command references. See the
these publications.
Dynamic memory resides in one or two sockets in the router chassis. A socket corresponds to one bank
of memory. Cisco 3700 series router sockets are as follows:
•
•
SDRAM DIMM and SODIMM sizes allowed in each router type, and the total memory capacity
resulting from insertion of one or two DIMMs or SODIMMs, are shown in
OL-5423-02
"Obtaining Documentation" section on page 27
Cisco 3725: Two sockets, each of which can support one SDRAM DIMM or be left empty; sockets
can be filled in any order
Cisco 3745: One socket that can support two SDRAM SODIMMs, one on top of the other
Upgrading System Memory in Cisco 3700 Series Routers
Memory Configurations
for information about
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