1-10
Cisco 7201 Installation and Configuration Guide
OL-11364-04
Chapter 1 Overview
Cisco 7201 Hardware Overview
•
Cache memory
The processor system has two levels of cache: primary and secondary cache that are internal to the
microprocessor with secondary unified cache for data and instruction.
•
Four Gigabit Ethernet interfaces (six ports: four SFP [optical] and two RJ-45s [copper]). Only four
ports are available at the same time.
•
One Fast Ethernet Management port
•
A CompactFlash Disk for storing the default Cisco IOS software image
•
Auxiliary port with full data terminal equipment (DTE) functionality
•
Console port with full data communications equipment (DCE) functionality
•
Boot ROM for storing sufficient code for booting the Cisco IOS software
•
Flash memory for storing the boot helper (boot loader) image
•
NVRAM for storing the system configuration and environmental monitoring logs. NVRAM uses
lithium batteries to maintain its contents when disconnected from power.
•
Two environmental sensors for monitoring the internal temperature of the chassis
System Management Functions
The Cisco 7201 processor system performs the following system management functions:
•
Sending and receiving routing protocol updates
•
Managing tables, caches, and buffers
•
Monitoring interface and environmental status
•
Providing Simple Network Management Protocol (SNMP) management through the console and
Telnet interface
•
Accounting for and switching of data traffic
•
Booting and reloading images
•
Managing the port adapter (including recognition and initialization during online insertion and
removal)
The Cisco 7201 router supports multiprotocol, multimedia routing and bridging with a wide variety of
protocols and port adapters.
