R710 Negotiating at 100Mbps full

daniel_m — Mon, 05 Dec 2022 21:33:09 GMT

Running Unleased 200.13.6.1.319 and recently noticed that my R710 is only communicating at 100Mbps. The output from my HP 2530-24G-PoEP switch shows the following:

# sh int brief Status and Counters - Port Status | Intrusion MDI Flow Port Type | Alert Enabled Status Mode Mode Ctrl ----- ---------- + --------- ------- ------ ---------- ---- ---- 1 100/1000T | No Yes Up 1000FDx MDI off 2 100/1000T | No Yes Up 100FDx MDIX off 3 100/1000T | No Yes Up 1000FDx MDIX off

Port 2 is the R710 and port 3 is an R610; both ports are configured similarly on the switch. We can also see lots of errors on this port:

# sh int Status and Counters - Port Counters Flow Port Total Bytes Total Frames Errors Rx Drops Tx Ctrl ---------- -------------- -------------- ------------ ------------ ---- 1 434,334,518 2,827,281,045 0 59 off 2 1,303,791,737 5,455,819 346 1,525,938 off 3 2,714,323,548 4,117,758,011 0 143 off

The switch also had the following to say when I did a "set ethspeed eth0 auto" on the R710, which I did for the heck of it.

W 12/05/22 14:03:21 00327 FFI: port 2-Excessive undersized/giant packets. See help. W 12/05/22 14:03:21 00329 FFI: port 2-Excessive CRC/alignment errors. See help.

Here is some more detail from the R710:

ruckus(ap-mode)# get eth Port Interface 802.1X Logical Link Physical Link Label ----------------------------------------------------------------- 0 eth0 None Up Up 100Mbps full 10/100/1000 PoE 1 eth1 None Down Down 10/100/1000 Note: Read Port#N as N+1, if you are referring this CLI output with AP's "Configure :: Ethernet Ports" UI Page. OK ruckus(ap-mode)# get power-mode PoE Configured Mode : AT Power Consumption Status : 802.3at Switch/Injector USB Status : Disabled OK

How do I troubleshoot/resolve?

Thank you!

Re: R710 Negotiating at 100Mbps full

sanjay_kumar — Tue, 06 Dec 2022 01:33:18 GMT

Hi @daniel_m

I see that the AP is working in AT mode which is fine. Have you checked the power supplying on the Switch side for the APs? I hope power management is not an issue here.
Can you R610 and connect the R610 cable to R710 and see the result? This will eliminate any physical cable\port issues.

Re: R710 Negotiating at 100Mbps full

Squozen — Thu, 08 Dec 2022 09:46:53 GMT

You're getting CRC errors, so you have a bad cable or switchport. Try a known good cable, then try another switchport if the replacement cable is no better.

Re: R710 Negotiating at 100Mbps full

daniel_m — Fri, 09 Dec 2022 19:16:29 GMT

Sorry for the late reply, but thank you for the clue sticks guys! I traced this down to a bad cable (how does a simple cable that never moves go bad?!), replaced it and we are back to 1000FDx!

Cheers!

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R710 Negotiating at 100Mbps full

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Re: R710 Negotiating at 100Mbps full