CPE210 ethernet drop out to Cisco 3750X Switch

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CPE210 ethernet drop out to Cisco 3750X Switch

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CPE210 ethernet drop out to Cisco 3750X Switch
CPE210 ethernet drop out to Cisco 3750X Switch
2023-08-25 13:12:11
Model: CPE210  
Hardware Version: V3
Firmware Version: 2.2.5

I have a pair of CPE210s that we will be deploying to replace a pair of failed Ubiquiti M500 bridges, on 2.4 Ghz. One is working as expected, with no issues. The second one works fine on a dumb switch (for testing), but seems to reandomly (every 2 minutes or so) drop the ethernet connect to the 3750X switch. When I swap the 2, the problem goes away. I think the ethernet port on the CPE210 is failing. Here is the setup:

 

Cisco 3750X -> PoE Injector -> CPE210#1 --> wireless <-- CPE210#2 <- PoE Injector <- dumb gig switch -- test laptop

 

If I swap just the CPE210s, the problem goes away. Neither CPE has this issue on the dumb switch. The cisco 3750X shows no packet errors in the logs.

 

Am I missing something or do I have a bad unit? These were just purchased and are in testing before depolyment. The locations for these have Cisco 3750 switches on site.

 

Thanks,

 

Mike 

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Re:CPE210 ethernet drop out to Cisco 3750X Switch
2023-08-28 06:15:05

  @KB5OZE 

 

It seems like the Cisco 3750X switch is a POE switch, maybe there is a POE compatibility issue between the switch and the POE injector.

Just striving to develop myself while helping others.
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