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
•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.
| Cisco 7201 Installation and Configuration Guide |
