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qzhou
Level 1
Level 1
Member since ‎12-03-2022
‎12-07-2022
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C9200CX Questions

12-03-2022
Hello,I'm planning on buying a C9200CX-12P-2X2G-(A|E) for my home network. I'm connected to my ISP through an XGS-PON stick (10Gb u/l link). Down the stream, I got some PoE+ APs and two 10G ethernet devices. Here's my question:1. I see lots of models...

My queries were end up in a wrong data center

02-05-2017
Description: An mtr shows that  ISP (China Unicom) has probably routed 208.67.220.220 to your Tokyo data center, which can also verified by sending a txt query to which.opendns.com. Expected: $ dig @208.67.220.220 txt  which.opendns.com. returns what...

Umbrella didn't survive the last wave.

01-21-2014
Just now, Chinese root DNS server was down/attacked/polluted, many .com were resolved to 65.49.2.178 which belongs to Hurricane Electricity. This results internet "interruption" for millions, and I was one among them, which I shouldn't. I was using U...
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Member Since ‎12-03-2022 06:24 PM
Date Last Visited ‎12-07-2022 12:03 AM
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