سلام دوستان
من تو یه شبکه داخلی که از طریق مودم تلابس و روتر 1721 سیسکو به شبکه مرکزی ادارمون وصله isa 2006 enterprise نصب کردم ولی مشکل دارم کلاینت ها دسترسی به اینترنت ندارن این اررور رو میداد:
Error 12206. The Proxy server detected proxy chain loop
البته شبکه ما با روتر اصلی که ما رو از ساختمان مرکزی اداره به اینترنت وصل میکنه. NAT رو روتر اصلی فعاله و روتر 1721 ما یه آی پی اینولید داره من زیاد گشتم تو اینتر نت دنبال راه حل ولی متاسفانه نتونستم مشکل رو حل کنم
این نتیجه ایه که تو microsoft technet پیدا کردم:
Configuring Intradomain Communications with a NAT Relationship

Problem: ISA Server does not support intradomain communications between networks with a network address translation (NAT) relationship.
Cause: There may be some circumstances in which you want to allow communication within a domain through ISA Server from one network to another. Typical scenarios include:
  • A Web server located in the perimeter network that is a member of the internal domain needs to contact the domain controller in the Internal network.
  • Applications or servers located in the perimeter network need to be accessed by internal clients.

Solution: Support for communication within a domain was not available in ISA Server 2000 (for information, see the Knowledge Base article 329807, "INFO: ISA Server Does Not Support Domain Members In Perimeter Network," which applied network address translation (NAT) on the address between the Internal and perimeter or External networks. ISA Server 2004 introduced the concept of multiple networks, and allows either route or NAT relationships to be defined between networks.
If networks have a NAT relationship, the limitation described in the Knowledge Base article 329807 still applies in ISA Server 2004. If networks have a route relationship, you can use either of the following methods to work around this issue:
  • Create default routes on the local internal hosts for all remote internal subnets.
  • Specify the local routers as the default gateway for computers located on the same subnet as the ISA Server internal interface. If you want to support requests from SecureNAT clients in the remote subnet or local subnet, specify the internal ISA Server interface as the default gateway of the router.
    ولی ظاهراً مشکل یکی دیگه شبیه مشکل منه اینجا رو ببینید:
ISA Server routing policy.

من ایزا رو برای تقسیم پهنای باند می خوام دوستان اگه مشکل حل نشد از چه نرم افزاری برای این کار پیشنهاد می کنید؟
با تشکر



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