Cisco 3000 Series User Manual

Memory Configurations
Table 1-2 lists the interface
ports
of different 3000 models
Table 1-2 Network Interface
Options
Model Ethernet Token
Ring
Serial BRI
3101
3102
3103
3202
3104
3204
Memory Configuratons
Model 3000 routers have the
following
memoiy systems
Primary memory
main memoryStores
the
running
configuration
and
routing
tables
Shared
memoryUsed
for
packet
buffering by
the routers network interfaces
Nonvolatile
memoryStores
the
system configuration
file and the virtual
configuration register
Flash
memoryStores
the
operating system
software
image
Boot
ROM
memoryStores
subset of the
operating system
software
image
which
is called the
System Bootstrap image
and the
Bootstrap Program ROM
Monitor
The
System Bootstrap
image
allows
you
to boot the router when Flash
memory
does not contain valid
system
image
The boot ROM
prompt
is
as
follows
Routerboot
The
Bootstrap Program
ROM Monitor
prompt
is the
greater
than
sign
See Appendix
Virtual
Configuration Register
and
Appendix Bootstrap Program
Table 1-3 shows
possible
memory
configurations
for
the
router
Table 1-3
Memory Configurations
Memory Type Memory Capacity
Primary
memory
main memory MB expandable
Shared
memory
.5
MB
Nonvolatile
memory
32
KB2
System
Code
memory
Flash MB expandable
Boot ROMs
MB expandable
2MB for models 3104 and 3204
128 KB for models 3104 and 3204
No
jumper
or
PAL
changes are
necessary
to
support
different
memory
sizes
except
for the boot
ROM size differences
1-4 Cisco 3000 Hardware Installation
and Maintenance

Cisco 3000 Series Specifications

General

Model	Cisco 3000 Series
Ports	Varies by model
Switching Capacity	Up to 176 Gbps
Power Supply	Internal or external, varies by model
Layer Support	Layer 2 and Layer 3
Power over Ethernet	PoE or PoE+
Memory	Varies by model
Dimensions	Varies by model
Weight	Varies by model
Operating Temperature	0° to 45°C (32° to 113°F)
Operating Humidity	10% to 85% non-condensing
Uplink Interfaces	Optional 1G/10G SFP/SFP+ or 10GBase-T