![]() Why use up some of the NAT table for internal connections? I don't do any NAT hair-pinning (loopback) because I don't need to. Inside, resolves to 192.168.67.19, while externally, it resolves to my public IP address. Personally, I use DNS for internal vs external access. Ideally, you would be able to set the DNS servers in the gateway, but even if you could, you would still have the issue of devices using hard coded DNS (which should not be happening). They are designed to support 95% of use cases and ATT really doesn't care if you don't fit there. All of the gateways have been pretty similar in their routing capabilities - and it's pretty poor. I've never been impressed with the wireless capabilities of any of their boxes, but I'm also covering a large home, so multiple access points have been all but required. Previously, I've used the NVG589 and the Pace 5268ac. You may download the LinkWare (.flw) file here, just be sure to open in LinkWare PC version 9.6 or later.īi-Direction Testing with an OTDR – this article explains IEC 6 multimode testing and IEC 612804-2 singlemode testing Standards requirements for bi-directional testing using an OTDR.I've never used the BGW320, but I have a NVG599 and a BGW210 in service at two locations. The SmartLoop Autotest was run on a 50 meter OM3 multimode fiber link. PP 348-362 In-Depth Tutorial: “ The SmartLoop Test.”Ĭlick here to see a SmartLoop Test Report example.PP 49-64 – Brief Tutorial: “ Do a Bi-Directional SmartLoop Test.”. FIBER LOOPBACK MANUALThe Versiv Technical Reference Manual has two main sections with instructions for configuring and performing SmartLoop Testing on OptiFiber Pro: FIBER LOOPBACK PROThese protect the OTDR port(s) from damage and are much less expensive to replace than it is to send the OptiFiber Pro to the Service Center to clean or replace the OTDR port connection. FIBER LOOPBACK PATCHWe strongly recommend you look into getting OTDR Source Port Protector Patch Cords. When you do the SmartLoop Launch Compensation, OptiFiber Pro measures the characteristics of the OTDR port the launch fibers so it can take them out of the OTDR trace when it performs the SmartLoop Autotest. You also must set launch compensation using the “SmartLoop” Set Launch Method. You also need two singlemode bulkhead connectors to connect your launch, loopback, and receive fibers together. The Loopback fiber cannot be a short fiber jumper-it needs to have the same characteristics and length as the Launch and Receive fibers. You will need (3) OTDR launch fibers to do SmartLoop Testing 1 OTDR Launch fiber, 1 Loopback fiber, and 1 OTDR Receive fiber. And when you run the SmartLoop test, the bi-directional averaging is done on the tester-there is no need to use additional software to accomplish bi-directional averaging on tested links. In addition to getting the job done quicker, SmartLoop OTDR further enhances the ease and speed of testing in environments where the far end is difficult or even dangerous to reach because the OTDR never has to be moved to the far end. Not only does this cut the testing time by at least half, it also enables bi-directional testing without moving the OTDR to the far end. This process automatically separates the two fibers for individual pass/fail analysis, display, and reporting. OptiFiber Pro SmartLoop OTDR enables automated testing and analysis of two fibers in a single test. ![]()
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