DATA SHEET 3Com SuperStack 3 Webcache Family (R) Key Benefits (R) Improved Productivity, Accelerated Performance By storing web content on a local LAN, cached web pages load faster, dramatically boosting Internet browsing performance and employee productivity. Increased WAN Bandwidth Efficiency Significantly reduces traffic transmitted across a WAN connection, because multiple requests for the same information are only downloaded once. Provides an average of up to 50 percent WAN bandwidth savings. Scheduled Content Caching Improves network performance by preloading web content before it is requested. The 3Com(R) Web Scheduler (patent pending), an impressively easyto-use Internet Explorer plug-in application, lets non-technical authorized users define content and web pages to be preloaded. WAN bandwidth usage can be controlled while assuring efficient delivery of popular content. Improved productivity through faster web access and content control 3Com webcaches--the SuperStack 3 Webcache 3000 and SuperStack 3 Webcache 1000--improve browser performance and lower WAN bandwidth requirements. By storing frequently requested web pages locally on the LAN, they eliminate redundant or over-the-WAN requests and reduce traffic. As content is served faster, productivity can be improved and costs lowered. The 3Com Web Scheduler (patent pending) is a unique Internet Explorer plug-in application included with the webcaches. It allows non-technical Enforcement of Acceptable Usage Policies Allows organizations to monitor and filter unacceptable web content. With the optional 3Com SuperStack(R) 3 Webcache Web Site Filter subscription service, businesses can enhance productivity and decrease legal liability and privacy risks. The filter enforces acceptable web usage policies while minimizing administrative overhead. Rapid Deployment and Availability Provides transparent, simple installation without the need to reconfigure web browsers when used with a 3Com SuperStack 3 Switch 4400 or 4924. The switch automatically discovers the webcache and forwards all appropriate web traffic. It can also detect webcache failure, diverting traffic directly to the Internet, and ensuring no network connectivity issues. users to download content in advance, guaranteeing web content is available quickly even during high-bandwidth usage hours. The optional SuperStack 3 Webcache Web Site Filter subscription service enhances the integral filtering within the webcaches through automatic updates from a database of millions of URLs defined in 20 categories. The database is meticulously maintained, so administrators can provide the highest quality of content filtering by simply clicking on a content category. 3 C O M (R) S U P E R S TA C K (R) 3 W E B C A C H E FA M I LY D ATA S H E E T Specifications Interfaces Two RJ-45: 10/100 Base-T Ethernet/Fast Ethernet (LAN, WAN) with auto-negotiation speed and duplex SuperStack 3 Webcache 3000 (3C16116): 32 MB Flash ROM; 2 Ultra-160 SCSI hard disks (removable) and upgradeable to 3 drives; lithium-ion battery real time clock Dimensions and Weight Width: 426 mm (16.8 in) Depth: 606 mm (23.9 in) Height: 44 mm (1.7 in) Weight: 8.20 kg (18.1 lb) Performance SuperStack 3 Webcache 1000 (3C16115): up to 120 objects per second, suited for up to 500 users, or T1/E1 WAN link SuperStack 3 Webcache 3000 (3C16116): up to 450 objects per second (with three-drive configuration), suited for up to 1,500 users, or T3/E3 WAN link Protocol Support HTTP 1.1, 1.0 support HTML, FTP, images, GIFs WCCP v1 & v2, ICP SSL pass through Reliability Warranty Limited Lifetime (hardware) Management Embedded web GUI and CLI management interface 3Com Network Supervisor SuperStack 3 Webcache 1000 (3C16115) MTBF (MIL): 172,088 hours at 25 C/104,737 hours at 40 C Event logging: SNMP traps and e-mail SuperStack 3 Webcache 3000 (3C16116) MTBF (MIL): 114,348 hours at 25 C/ 88,123 hours at 40 C Network Time Protocol (NTP) support Resiliency E-mail performance reporting Resilient to cache storage failure Resilient software upgrades Web access reporting via offloaded SQUID logs Cache peak-load shedding WebTrends WELF certified Environmental Web Filtering Operating temperature: 0 to +40 C (32 to 104 F) Storage temperature: 0 to +70 C (32 to 158 F) Humidity: 10 to 95% (noncondensing) PAC file browser configuration Automatic software upgrades Embedded Performance Monitoring Keyword blocking Website and client manual URL blocking 3Com Webcache Web Site Filter service WebSense Enterprise support (external filtering) Power Input voltage: 90-264 V AC Web Site Filter Specifications Transparent and proxy Maximum input current: 3.2-1.6 A Parent caching Operating frequency: 47-63 Hz WCCP (Web Cache Control Protocol) Standards Compliance Utilizes SurfControl list to block access to sites which have to be classified in one of the following categories:Astrology/Mysticism, Chat, Drugs/Alcohol/Tobacco, Entertainment, Gambling, Games, General News, Glamour/Intimate Apparel, Hate Speech, Hobbies, Investments, Job Search, Motor Vehicles, Personals/Dating, Real Estate, Sexually Explicit, Shopping, Sports, Travel, Violence Deployment Methods ICP (Internet Cache Protocol) Safety: UL 1950, EN 60950, CSA 22.2 #950, IEC 60950 System Functional: ISO/IEC 8802-3, IEE 802.3 SuperStack 3 Webcache 1000 (3C16115): 32 MB Flash ROM; 1 IDE hard disk (fixed) cache storage; lithium-ion battery real time clock EMC: EN55022 Class A, FCC Part 15 Subpart B Class A, ICES-003 Class A, VCCI Class A, EN 55024, CNS 13438 Class A Environmental: EN 60068 (IEC 68) Ordering Information 3Com SuperStack 3 Webcache 1000 Up to 120 objects per second. Up to 500 users. T1/E1 WAN link 3C16115 3Com SuperStack 3 Webcache 3000 Up to 450 objects per second. Up to 1,500 users. T3/E3 WAN link 3C16116 3Com SuperStack 3 Webcache Web Site Filter Annual content filtering service with 20 content categories, automatic updates 3C16118 3Com Corporation, Corporate Headquarters, 5500 Great America Parkway, P.O. Box 58145, Santa Clara, CA 95052-8145. To learn more about 3Com solutions, visit www.3com.com. 3Com Corporation is publicly traded on Nasdaq under the symbol COMS. Copyright (c) 2002 3Com Corporation. All rights reserved. 3Com, the 3Com logo, and SuperStack are registered trademarks of 3Com Corporation. Possible made practical is a trademark of 3Com Corporation. All other company and product names may be trademarks of their respective companies. While every effort is made to ensure the information given is accurate, 3Com does not accept liability for any errors or mistakes which may arise. Specifications subject to change without notice. 400696-003 12/02