•
Most of the memory components used by the system, including the eight erasable programmable
read-only memory (EPROM) components that contain the default system software
•
Air-temperature sensors for environmental monitoring
In addition to the preceding system components, the RP contains and executes the following
management functions that control the system:
•
Sending and receiving routing protocol updates
•
Managing tables and caches
•
Monitoring interface and environmental status
•
Providing SNMP management and the console/Telnet interface.
Memory Components
Figure 1-8 shows the locations of the various types of memory on the RP, and Table 1-2 lists the
functions of each.
Figure 1-8
Flash memory
card slot
Route Processor (RP)
J2, Flash memory
write-protection
jumper
Configuration
register
Auxiliary port
Console port
Software memory
EPROMS
J4
Flash memory
J3
EPROMS
CPU
DRAM
NVRAM
Product Overview 1-27
Physical Description