Cisco Systems 800 사용자 설명서
Product Models
Cisco 800 IDSL Features and Benefits
Model
Ethernet LAN
WAN
Analog Telephone Ports
Console Port
Cisco 802 IDSL
One 10BaseT (RJ-45)
One IDSL U,
integrated NT1 (RJ-45)
integrated NT1 (RJ-45)
None
RJ-45
Cisco 804 IDSL
10BaseT (RJ-45) 4-port hub
One IDSL U,
integrated NT1 (RJ-45)
integrated NT1 (RJ-45)
2(RJ-11)
RJ-45
Feature
Benefit
High-Speed Access
Compression up to 4:1 ratio
• Effective throughput of up to 512 kbps
Selectable speed settings (64 kbps, 128 kbps, 144 kbps)
• Allows service providers to offer differentiated service levels
WAN Interface
Compatible with Adtran, Alcatel, Cisco, Copper Mountain,
Lucent, Nokia, Paradyne, Pulsecom, and all standards-based
IDSL DSLAMs
Lucent, Nokia, Paradyne, Pulsecom, and all standards-based
IDSL DSLAMs
• Easy to deploy into existing network infrastructure
Works through Digital Loop Carriers with distances up to 36,000 feet
• Extend reach to increase subscriber base
WAN Performance
Constant Internet connection
• Allows multiple users to connect to the Internet simultaneously, saving time and money for
businesses with numerous heavy users who need instant access
Choice of Encapsulation (PPP, Frame Relay)
• Ensures compatibility with existing network
LAN Interface
One Ethernet 10BaseT port (802-IDSL)
• Connect to a single PC or Ethernet hub
Integrated 4-port Ethernet hub (804-IDSL)
• Integrated solution for small office
Security
Standard Security
PAP, CHAP, and Extended Access Control Lists
• Protects network resources from unauthorized access
Network address translation
• Keeps local IP addresses hidden from the outside world
Enhanced Security
Cisco IOS Firewall
– Context Based Access Control Lists (CBAC)
– Java Blocking
– Real Time Audit and Alerts
– Denial of Service
– Java Blocking
– Real Time Audit and Alerts
– Denial of Service
• Offers internal users secure, per-application-based, stateful access control. CBAC differentiates
Cisco IOS Firewall from other non-stateful, basic firewalls
• Defends and protects router resources against denial-of-service attacks
• Checks packet headers, dropping suspicious packets
• Protects against unidentified, malicious Java applets
• Details transactions for reporting on a per-application, per-feature basis
• Checks packet headers, dropping suspicious packets
• Protects against unidentified, malicious Java applets
• Details transactions for reporting on a per-application, per-feature basis
IPSec Encryption 56 bit DES, L2TP Tunneling
• Ensures confidential data integrity and data origin authenticity while traversing the Internet by
using standards-based encryption
• Provides encryption for all users on the LAN without configuring individual PCs