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发表于 2019-7-11 14:41
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本帖最后由 heq 于 2019-7-16 15:55 编辑
7月16日更新:
楼上的批评还是产生了实际意义。一个资深的不折腾不舒服斯基不能容忍自己的成果被反复质疑,毅然下载XQ7制作的N1首个支持FullCone Nat的Armbian系统重新做了测试,这次从1G起步,一定要给出不容置疑的结果。
UDP test 1 -- 1G- $ iperf3 -u -c 192.168.57.4 -b 1G -t 100
- Connecting to host 192.168.57.4, port 5201
- [ 4] local 10.168.57.206 port 57357 connected to 192.168.57.4 port 5201
- [ ID] Interval Transfer Bandwidth Total Datagrams
- ...
- [ 4] 95.00-96.00 sec 78.3 MBytes 657 Mbits/sec 10022
- [ 4] 96.00-97.00 sec 77.8 MBytes 653 Mbits/sec 9963
- [ 4] 97.00-98.00 sec 78.9 MBytes 662 Mbits/sec 10100
- [ 4] 98.00-99.00 sec 77.7 MBytes 651 Mbits/sec 9941
- [ 4] 99.00-100.00 sec 78.2 MBytes 656 Mbits/sec 10005
- - - - - - - - - - - - - - - - - - - - - - - - - -
- [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
- [ 4] 0.00-100.00 sec 7.62 GBytes 655 Mbits/sec 0.192 ms 6272/999328 (0.63%)
- [ 4] Sent 999328 datagrams
- iperf Done.
复制代码
UDP test 2 -- 655M
- $ iperf3 -u -c 192.168.57.4 -b 655M -t 100
- Connecting to host 192.168.57.4, port 5201
- [ 4] local 10.168.57.206 port 61539 connected to 192.168.57.4 port 5201
- [ ID] Interval Transfer Bandwidth Total Datagrams
- ...
- [ 4] 95.00-96.00 sec 76.7 MBytes 643 Mbits/sec 9814
- [ 4] 96.00-97.00 sec 78.6 MBytes 659 Mbits/sec 10060
- [ 4] 97.00-98.00 sec 77.7 MBytes 652 Mbits/sec 9950
- [ 4] 98.00-99.00 sec 77.9 MBytes 653 Mbits/sec 9967
- [ 4] 99.00-100.00 sec 77.9 MBytes 653 Mbits/sec 9972
- - - - - - - - - - - - - - - - - - - - - - - - - -
- [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams
- [ 4] 0.00-100.00 sec 7.49 GBytes 643 Mbits/sec 0.162 ms 611849/981452 (62%)
- [ 4] Sent 981452 datagrams
- iperf Done.
复制代码
TCP test 1 -- 1G
- $ iperf3 -c 192.168.57.4 -b 1G -t 100
- Connecting to host 192.168.57.4, port 5201
- [ 4] local 10.168.57.206 port 58332 connected to 192.168.57.4 port 5201
- [ ID] Interval Transfer Bandwidth
- ...
- [ 4] 95.00-96.00 sec 23.0 MBytes 193 Mbits/sec
- [ 4] 96.00-97.00 sec 24.4 MBytes 204 Mbits/sec
- [ 4] 97.00-98.00 sec 23.1 MBytes 194 Mbits/sec
- [ 4] 98.00-99.00 sec 24.4 MBytes 204 Mbits/sec
- [ 4] 99.00-100.00 sec 23.8 MBytes 199 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - - -
- [ ID] Interval Transfer Bandwidth
- [ 4] 0.00-100.00 sec 2.45 GBytes 210 Mbits/sec sender
- [ 4] 0.00-100.00 sec 2.45 GBytes 210 Mbits/sec receiver
- iperf Done.
复制代码 TCP test 2 -- 210M
- $ iperf3 -c 192.168.57.4 -b 210M -t 100
- Connecting to host 192.168.57.4, port 5201
- [ 4] local 10.168.57.206 port 58347 connected to 192.168.57.4 port 5201
- [ ID] Interval Transfer Bandwidth
- ...
- [ 4] 95.00-96.00 sec 27.0 MBytes 226 Mbits/sec
- [ 4] 96.00-97.00 sec 25.2 MBytes 212 Mbits/sec
- [ 4] 97.00-98.00 sec 24.2 MBytes 203 Mbits/sec
- [ 4] 98.00-99.00 sec 22.2 MBytes 187 Mbits/sec
- [ 4] 99.00-100.00 sec 25.8 MBytes 216 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - - -
- [ ID] Interval Transfer Bandwidth
- [ 4] 0.00-100.00 sec 2.44 GBytes 210 Mbits/sec sender
- [ 4] 0.00-100.00 sec 2.44 GBytes 210 Mbits/sec receiver
- iperf Done.
复制代码 结论:单向传输时,N1的千兆网口在vlan设置下NAT连接速度可以达到650Mbits/s左右。
反思:自己主观性确实强了些,尤其学艺不精,认定vlan设置后带宽上限只有物理网口的一半,测试时就设置了先决条件,导致获得的结果不够准确,确实产生了误导,请大家谅解。下次一定吸取教训,加强学习,积极改正
=========================================
两点呼吁:
1 分享经验是最好经过自己实测成功。(昨天设置N1 5G WiFi 参考网上一堆链接,没有一个成功的,结果灰溜溜地退回2.4G)
2 一些测量数据公开比较好,容易形成讨论氛围。客观准确的测量其实很不容易,需要测量者有足够的知识储备,正确的测试环境,否则很容易得出错误结论。
测试的原始数据
UDP
iperf3 -u -c 192.168.57.4 -b 500M -t 100
TCP as default
iperf3 -c 192.168.57.4 -b 250M -t 100
iperf3 -c 192.168.57.4 -b 245M -t 100
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