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Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
OL-11497-03
Chapter 1 Product Overview
Route Processors
Performance Route Processor
This section provides information about the PRP. The PRP is supported in both
the Cisco 12406 Router and the Cisco 12006 Router.
Figure 1-8
shows the front
panel view of the PRP. The PRP is shipped with 20 MB of Flash memory as the
default configuration.
Figure 1-8
Performance Route Processor (Front View)
The PRP is available as Product Number PRP-1=, which includes one PRP with
512 MB of SDRAM and one 64-MB ATA Flash disk. A redundant PRP (Product
Number PRP-1/R=) is also available.
The PRP contains the following components:
•
PowerPC processor—Motorola PowerPC 7450 CPU, which runs at an
external bus clock speed of 133 MHz and an internal clock speed of
667 MHz.
•
SDRAM—Up to 2 GB of Cisco-approved SDRAM on two DIMMs. 512 MB
of SDRAM is the default shipping configuration. SDRAM is field replaceable
only when using Cisco-approved DIMMs.
•
SRAM—2 MB of SRAM for secondary CPU cache memory functions.
SRAM is
not
user configurable or field replaceable.
•
NVRAM—2 MB of NVRAM. NVRAM is
not
user configurable or field
replaceable.
•
Memory—Additional memory components include onboard Flash memory
and up to two Flash disks.
•
Sensors—Air-temperature sensors for environmental monitoring.
EJECT
RX
TX
PRIMARY
SLO
T-
1
SLO
T-
0
LINK
EN
RX
TX
ETH 1
ETH 0
AUX
CONSOLE
PERFORMANCE ROUTE PROCESSOR 1 (PRP-1)
LINK
PRIMARY
EN
RESET
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