
System Overview
To view the amount of DRAM installed on your router, issue the show chassis
routing-engi
ne
command.
EPROM—Stores
the serial n umber of the Routing E ngine.
To view the ser
ial number of the Routing Engine, issue either the
show chassis
routing-engine
command or the show chassis hardware command.
Crypto Accelerator Module—Processor card that enhances performance
of cry p tographic algorithms used in IP secu rity (IPSec) services. The
cryptograph
ic algorithms supported include Advanced Encryption Standard
(AES), Data Encryption Standard (DES ), triple DES (3 D E S), Hashed Me ssage
Authentication Code-Message Digest 5 (HMAC-MD5), and HMAC-Secure Hash
Algorithm 1 (
SHA-1). The Crypto Module is a standard feature of J6350
Services Routers and an optional feature of J4350 Services Routers.
TodeterminewhetherthereisaCryptoAcceleratorModuleinstalledonyour
router, issue the
show chassis hardware comm and.
Compact flash drive—Provides primary storage for software images,
configurat
ion file s, and microcode. J4 350 and J6350 routers have an internal
compact flash drive, located on t he motherboard. For information about
replacing the compact flash drive, see “Replacing the Compact Flash Di sk”
on page 149.
Boot Devices
The J4350 and J6350 Services Routers can boot from two devices:
Compact flash disk
USB storage device
Normally, the Services Router boots from the compact flash disk. If t he compact
flash disk
fails, th e router attempts to boot from the USB storage device.
Front Panel
The front panel of the Services Router (see Figure 7 ) allows you to install or remove
PIMs, vie
w router status LEDs, access the console port, and perform simple control
functions.
J4350 and J6350 Services Router Hardware Features 15
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