CPE510 and CPE710 PtMP issues

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CPE510 and CPE710 PtMP issues

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CPE510 and CPE710 PtMP issues
CPE510 and CPE710 PtMP issues
2022-09-25 08:59:22
Model: CPE510  
Hardware Version: V3
Firmware Version: 2.2.2

Hi,

 

We have installed 3x CPE510 v3.2 EU on a pole, facing North, South and East, operating as APs

 

We have 4x CPE710 v1.0 FW 2.3.0 operating as clients, approx 100m away.

 

On the LAN side of the CPE510s we are seeing very unstable ping times - these can climb to 2000ms+.  This behaviour is random, affecting one or more of the CPE510s at a time.  

 

If we ping something else on the LAN side, from the same device we ping the CPE510s, we always 1ms response times.

 

We have factory reset the CPE510s, ran cable tests and still the same issue.

 

When the CPE510s are working we get the desired remote throughput on the CPE710 client side e.g. an 8Mbits camera stream.  As soon as the LAN side of the CPE510 ping times increase then the CPE710 client ping times increase and the throughput drops.

 

CPE510 setup on fixed channel e.g. 136 ( although the status shows CPE510 operating on another channel e.g. 108), 20Mhz width, manual distance set, Transmit power 10dBm

 

Not sure what is causing the wild ping times on the LAN side of the CPE510s and I am sure the radio settings of the CPE510s would affect the LAN ping times?

 

Any insight into what this might be would be very useful, thank you.

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#1
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4 Reply
Re:CPE510 and CPE710 PtMP issues
2022-09-26 11:44:42

  @Korgua 

 

I don't think wireless settings will affect ping test from LAN side.

However you may try replacing the Ethernet cables between your LAN network and the PoE injector(of the CPE). Under my test the LAN port of the PoE injector is not good, can only work with short Ethernet cables

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#2
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Re:CPE510 and CPE710 PtMP issues
2022-09-27 13:22:29

  @Somnus 

 

Having left the system for a few hours all the LAN side pings dropped to 1-10ms - still not perfect but not in the 500ms+

 

This lasted for 48 hours and then one of the CPE510 pings increased to 500ms+.  All other LAN pings were 1-10ms at the time.  This issue last 15 minutes or so and remedied itself.  A few minutes later another of the CPE510 pings increased to 500ms+

 

If you attempt to web manage the CPE at the time the pings are slow then you often get no web page or "failed to get data" or very slow web pages in the CPE web GUI - suggesting to me the CPU is the bottleneck.

 

Cables have been swapped out and the LAN side are only 2m patch leads.

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Re:CPE510 and CPE710 PtMP issues
2022-09-28 06:00:42 - last edited 2022-09-28 06:01:08

  @Korgua 

 

Could there be some influence between CPE510s?(like high traffic etc.)

Are you able to power off two CPE510, only leave one CPE510 working and monitor if it can work stable?

Or maybe take down a pair of CPE510-CPE710 and run the test in-door? (don't connect this test pair of CPE to the same network as the others)

 

 

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#4
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Re:CPE510 and CPE710 PtMP issues
2022-09-28 07:11:13

  @Somnus 

 

How would the traffic to each CPE510s influence each other?

 

The remote CPE710 only have cameras connected so the traffic is a continual stream of 8-15Mbits.  This seems well within the capabilities of the WLANs and LANs.

 

I have no access to site at this time.  The only test I could perform would be to use the webgui on a CPE510 and disable the AP, thereby dropping all traffic to the remote CPE710.

 

As for bench testing - this is not possible, for the same reason above.  I have a call logged with TP-Link support.

 

 

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