思科模拟器Packet Tracer 5.3安装版下载

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　　　　思科官方最新模拟器Packet Tracer 5.3 英文版安装版下载，至于它增加的新功能，我也就不翻译了。相信各位学了这么多课程，这几个关键词还是看得懂的，别要求要什么中文版的Packet Tracer了，我觉得使用英文版对学习更有好处。如果真打算在网络方面发展，我建议还是多看点英文。
　　Packet Tracer 5.3下载地址文章见末尾，这是思科官方网站的下载链接，我直接copy过来的，我用迅雷试着下载，可以下载的。如果不能下载，请看此博客链接，作者在里面提供了不同的下载地址。
　　

　　Cisco Networking Academy is pleased to announce the release of Cisco Packet Tracer version 5.3, a minor release that includes the following new protocol support and enhanced functionality:

• Improved Linksys models, added WEP wireless security algorithm, Cable and DSL enhancements
  
• Call Manager Express (VOIP support)
  
• FTP server and routers/switches – server and client
  
• Email system (SMTP and POP3) – server and client
  
• Border Gateway Protocol (BGP) – limited implementation that allows for a more realistic representation of the Internet for scenarios
  
• Generic IP end devices – to create more versatility in device creation
  
• Activity Wizard Initial Tree enhancements – more scenario variations
  

　　The new protocol support and activity wizard enhancements in version 5.3 will enable instructors to teach concepts in CCNA Discovery, CCNA Exploration, and CCNP courses more effectively, including the following:
CCNA Discovery

• Networking for Home and Small Businesses: Improved Linksys models and wireless security protocols and algorithms, generic IP end devices
  
• Working at a Small-to-Medium Business or ISP: Better DNS, improved DHCP, wireless security, new FTP, SMTP, POP3
  
• Introducing Routing and Switching in the Enterprise: Improved multi-area OSPF, EIGRP, BGP
  
• Designing and Supporting Computer Networks: New VOIP, Call Manager Express
  

　　CCNA Exploration

• Network Fundamentals: Improved HTTP, DNS, DHCP; new FTP, SMTP, POP3
  
• Routing Protocols and Concepts: Improved multi-area OSPF, EIGRP, new BGP
  
• LAN Switching and Wireless: Improved Linksys models, wireless security algorithms, 802.11
  
• Accessing the WAN: New PPPoE, enhanced IPSec, Cable and DSL enhancements
  

　　CCNP

• Improved multiarea OSPF, EIGRP, new BGP
  

　　We recommend upgrading to the new version to take advantage of the many improvements included in this release. To learn more about how Packet Tracer can be used in each Networking Academy course, please view this new Packet Tracer 5.3 Curricula Support chart.（支持课程文档下载）

　　Windows:
TitleDocument TypePacket Tracer v5.3 Application + Tutorial
This is the complete Packet Tracer program including tutorials as a single downloadable package for Windows 2000, XP and Vista. (EXE – 73.9 MB)Packet Tracer v5.3 Application only
This option is just the Packet Tracer program and the help files for Windows 2000, XP and Vista. It does not include the tutorial files. The tutorial files are not necessary to run Packet Tracer. (EXE – 41.8 MB)　　Linux:
To install the Linux BIN packages, set the permission to be executable (chmod +x PacketTracer53_*.bin) then execute the binary in the terminal.
TitleDocument TypePacket Tracer v5.3 Application + Tutorial Linux-Ubuntu
This is the complete Packet Tracer program including tutorials as a single downloadable package for Ubuntu release 7.10. (BIN – 97.2 MB)Packet Tracer v5.3 Application only Linux-Ubuntu
This option is just the Packet Tracer program and the help files for Ubuntu release 7.10. It does not include the tutorial files. The tutorial files are not necessary to run Packet Tracer. (BIN – 64.8 MB)Packet Tracer v5.3 Application + Tutorial -Generic Ubuntu
This is the complete Packet Tracer program including tutorials for generic Ubuntu (tar.gz – 97.9 MB)Packet Tracer v5.3 Application + Tutorial Linux-Fedora
This is the complete Packet Tracer program including tutorials as a single downloadable package for Fedora release 7. (BIN – 94.4 MB)Packet Tracer v5.3 Application only Linux-Fedora
This option is just the Packet Tracer program and the help files for Fedora release 7. It does not include the tutorial files. The tutorial files are not necessary to run Packet Tracer. (BIN – 62.0 MB)Packet Tracer v5.3 Application + Tutorial Generic Fedora
This is the complete Packet Tracer program including tutorials for generic Fedora. (tar.gz – 94.4 MB)