张无忌

在淘宝有些买家已经把价格降到人民币399，比开始的时候450，减了50元，说明什么，卖家想尽快脱手，我看MikroTik的Support都很少去关心Agent的事！！！

张无忌

终于知道怎样用iperf3作测试hAP ac^2了。

In the following results, we can measure how good/bad of the wired/wireless link using the 5-minute iperf3 download test.

Whenever you read the subsequent listings, please put your concentration on i) Bandwidth and ii) Retr value. In general RouterOS without WiFi works very well as seen in Retr value in Listings 1 and 9. Listing 5 shows the stock item of hAP ac^2's 5G performance. The average download speed is only 16.2Mbps, which has been reported by many MikroTik users. However the packet retry count is 3541 over 5-minute period of time. It is extremely high and unacceptable. When we compare the results in Listing 5 (5G) and Listing 6 (2.4G), the 5G ac download speed is lower than that of 2.4G. Even though MikroTik provided an RC version of firmware v6.4rc56 (up to this moment of writing), the WiFi performance is still unacceptable. Also the packet retry rate for the 5G WiFi was almost doubled as shown in Figure 7. It is 7390 counts over 5 minutes of time. It indicates that over 20 retries over 1 second of time.

I the following command to initiate the test

1. ./iperf3 -c 192.168.55.203 -R -t 300

複製代碼

Listing 1: CCR1009 (Server->Bridge-LAN->Laptop PC)

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  32.9 GBytes   941 Mbits/sec    5             sender
   
3. [  4]   0.00-300.00 sec  32.9 GBytes   941 Mbits/sec                  receiver

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Listing 2: hAP ac lite tower v6.40.6 5G (Server->Bridge->WLAN 5G->Laptop PC)

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  3.07 GBytes  87.8 Mbits/sec  158             sender
   
3. [  4]   0.00-300.00 sec  3.06 GBytes  87.7 Mbits/sec                  receiver

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Listing 3: hAP ac lite tower v6.40.6 2.4G (Server->Bridge->WLAN 2.4G->Laptop PC)

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  2.07 GBytes  59.3 Mbits/sec  657             sender
   
3. [  4]   0.00-300.00 sec  2.07 GBytes  59.2 Mbits/sec                  receiver

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Listing 4: hAP ac^2 v6.40.5 (stock firmware) (Server->WAN->LAN->Laptop PC)

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  32.9 GBytes   941 Mbits/sec  324             sender
   
3. [  4]   0.00-300.00 sec  32.9 GBytes   941 Mbits/sec                  receiver

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Listing 5: hAP ac^2 v6.40.5 (stock firmware) 5G (Server->WAN->WLAN 5G->Laptop PC)

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec   580 MBytes  16.2 Mbits/sec  3541             sender
   
3. [  4]   0.00-300.00 sec   578 MBytes  16.2 Mbits/sec                  receiver

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Listing 6: hAP ac^2 v6.40.5 (stock firmware) 2.4G (Server->WAN->WLAN 2.4G->Laptop PC)

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  1.46 GBytes  41.9 Mbits/sec  3628             sender
   
3. [  4]   0.00-300.00 sec  1.46 GBytes  41.9 Mbits/sec                  receiver

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Listing 7: hAP ac^2 v6.42rc56 5G (Server->WAN->WLAN 5G->Laptop PC)

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  4.64 GBytes   133 Mbits/sec  7390             sender
   
3. [  4]   0.00-300.00 sec  4.64 GBytes   133 Mbits/sec                  receiver

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Listing 8: hAP ac^2 v6.42rc56 2.4G (Server->WAN->WLAN 2.4G->Laptop PC)

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  1.42 GBytes  40.6 Mbits/sec  3025             sender
   
3. [  4]   0.00-300.00 sec  1.42 GBytes  40.5 Mbits/sec                  receiver

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Listing 9: hAP ac^2 v6.42rc56 (Server->WAN-》LAN->Laptop PC)

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  32.9 GBytes   941 Mbits/sec    0             sender
   
3. [  4]   0.00-300.00 sec  32.9 GBytes   941 Mbits/sec                  receiver

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张无忌

回覆 513# johnliu

Already described in the text.

There are more results on other model of R951G-2HhD.

The Retr count is very high for wired connection, it is 1358. It is unacceptable for wired connection. However the Retr count for 2.4G connection is only 408, which is normal for wireless connection.

Listing 1: R951G-2HhD v6.40.6 Wired, File->WAN->LAN->Laptop PC

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  32.4 GBytes   929 Mbits/sec  1358             sender
   
3. [  4]   0.00-300.00 sec  32.4 GBytes   929 Mbits/sec                  receiver

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#

Listing 2: R951G-2HhD v6.40.6 2.4G, File->WAN->WLAN->Laptop PC

1. - - - - - - - - - - - - - - - - - - - - - - - - -
   
2. [ ID] Interval           Transfer     Bandwidth       Retr
   
3. [  4]   0.00-300.00 sec  2.67 GBytes  76.5 Mbits/sec  408             sender
   
4. [  4]   0.00-300.00 sec  2.67 GBytes  76.4 Mbits/sec                  receiver

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张无忌

还有其他wirless router作比较。

Listing 1: 小博无线 2.4G （File server->bridge->WAN->WLAN->Laptop PC

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec   956 MBytes  26.7 Mbits/sec  2411             sender
   
3. [  4]   0.00-300.00 sec   953 MBytes  26.6 Mbits/sec                  receiver

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#


Listing 2: 小博无线 （File server->bridge->WAN->LAN->Laptop PC

1. [ ID] Interval           Transfer     Bandwidth       Retr
   
2. [  4]   0.00-300.00 sec  3.17 GBytes  90.8 Mbits/sec  108             sender
   
3. [  4]   0.00-300.00 sec  3.17 GBytes  90.8 Mbits/sec                  receiver

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张无忌

http://www.hkepc.com/forum/redir ... 72&pid=37330697

在上面的LInk的Listing 9，显示出hAP ac^2的Routing不错！因为我的系统最大也就是1Gbps，所以它下载速度能达1Gagibits是没有问题的，特别是Retr（Packet Retry Count）是zero，说明整个系统非常产顺，不像WiFi部分那样差。WAN->LAN的速度我相当满意，如果WiFi部分能做到跟WAN->LAN那样好就完美了！！！

nightsharski

941mbps的Throughput只能说是正常的Gigabit Router表现 只是RouterOs的可玩性比较高 还无法用惊艳的表现来形容这款新的产品 期待厂方进一步调教 Rb750gr3的throughput跟它不相上下 只是没有Wifi

张无忌

我估计拉脱维亚MikroTik的Engineering Team受到非常大的压力，主要现在WiFi的问题，以前用2.4G WiFi问题没有那么大，但是现在用5G ac（特别是新的ARM IPQ410X CPU），速度动不动就300-500Mbps，以前2.4G的WiFi问题就开始放大。根本不能和其他一般家用的ac brand比！

如果MikroTik能把WiFi这部分搞定的话，那么MikroTik在WiFi方面是一个新的台阶！！！

no-name-

回覆 518# 张无忌

no. they don't. mik support staff respond :
We need some more information. We cannot reproduce this issue. Testing with MacBook Pro 2016 on distance 10m in an office environment with neighboring APs hAP ac^2 performs stable and reach up to 300 Mbps.

andymok

回覆  张无忌

no. they don't. mik support staff respond :
We need some more information. We cannot  ...
no-name- 發表於 2018-4-17 11:20

IDK whether there's a cultural difference on representation or what, but the Mikrotik people does sound way up high like they know everything and you don't, so I dont give a damn and stop complaining