Техническая Спецификация для 3com ETHERLINK 10/100 PCI SECURE NIC 25-PACK 3CR990B-97-25
Модели
3CR990B-97-25
3 C O M
®
FA S T E T H E R N E T S E C U R E C O P P E R A N D F I B E R N E T W O R K I N T E R FA C E C A R D S D ATA S H E E T
3
Feature
Benefit
LAN Security*
Encryption and authentication
Secure sensitive data at wire speeds—with
DES/3DES encryption, MD5 and SHA-1
hashing, and RFC 2402 authentication.
DES/3DES encryption, MD5 and SHA-1
hashing, and RFC 2402 authentication.
Security associations (SA)
Onboard RAM supports 75 security
associations.
associations.
Performance
Security processor*
Offloads and processes network traffic so
host can devote CPU cycles to application
tasks—resulting in optimal system performance.
host can devote CPU cycles to application
tasks—resulting in optimal system performance.
IPSec
Secures sensitive data up to five times faster
than software-based encryption.
than software-based encryption.
Authentication
Processes and verifies authentication headers
using the RFC 2402 algorithm.
using the RFC 2402 algorithm.
TCP segmentation
†
Supports larger packets, segments TCP
frames for the Ethernet MAC, and adds TCP
sequence numbers to each packet.
frames for the Ethernet MAC, and adds TCP
sequence numbers to each packet.
TCP/UDP/IP checksum
Generates and verifies TCP, UDP, and IP
checksum operations.
checksum operations.
Flow control
Reduces lost packets and retransmissions for
more efficient data transfer between the NIC
and switch.
more efficient data transfer between the NIC
and switch.
10/100 Mbps autonegotiation
Transparently adjusts connection throughput
to match switch or hub port.
to match switch or hub port.
Firmware upgradability
Keeps secure NICs up-to-date with the
latest features.
latest features.
Management
Installation CD-ROM
Includes graphical user interface for installation,
configuration, and diagnostics—reducing
installation time.
configuration, and diagnostics—reducing
installation time.
3Com Connection Assistant
Provides self- and assisted-service functions
for end users and support technicians;
automated interface is extremely easy to use.
for end users and support technicians;
automated interface is extremely easy to use.
Keepalives
Respond to router-based management
requests while NIC is in sleep mode to help
solve IP address-aging issues.
requests while NIC is in sleep mode to help
solve IP address-aging issues.
3Com Managed PC Boot Agent
Supports pre-OS management capabilities
including network boot, Remote Program
Load (RPL), NetWare Core Protocol (NCP),
BootP, and Pre-boot Execution Environment
(PXE).
including network boot, Remote Program
Load (RPL), NetWare Core Protocol (NCP),
BootP, and Pre-boot Execution Environment
(PXE).
ACPI compliance
Conserves system power when PC is not
being used; enables remote wake up
and management.
being used; enables remote wake up
and management.
DMI 2.0 compliance
Allows managers to inventory desktops and
NICs from a remote location.
NICs from a remote location.
Features and
Benefits
Benefits
*Windows 2003 Server, 2000, or XP operating system required for offload capabilities.
† Windows 2003 Server or XP operating system required for TCP segmentation.