Symptom: TP-Link AV2000 (TL-PA9020) causes some sort of packet storm if two cables are connected from switch to first unit and nothing at all is connected to the second unit. I have no idea what packets are being sent because the router pegs at 100% CPU usage and nothing on the network (including the router) will respond, and I don't have a dedicated sniffer any more. All I get from post-mortem router logs (debug level enabled) is:
The gap in that timeline is unplugging one cable at the switch, waiting 5 minutes; unplugging second cable for one minute and replugging the first, waiting 5 minutes - everything is fine at the router during that time; plugging second cable back in and storm restarts.
More details:
Resetting the AV2000's doesn't seem to have fixed anything. I just got the TP-link utility, but it requires a wired connection to the device (when I get home....).
My google-fu has failed me so far. Familiar to anyone? Suggestions on how to proceed?
TIA
Code:
Feb 21 07:36:20 kernel: net_ratelimit: 57400 callbacks suppressed
Feb 21 07:36:25 kernel: net_ratelimit: 62262 callbacks suppressed
Feb 21 07:48:36 kernel: net_ratelimit: 36429 callbacks suppressed
Feb 21 07:48:41 kernel: net_ratelimit: 83498 callbacks suppressed
More details:
- Comcast Arris cable modem in bridge mode
- AC86U router in paranoid vanilla state (no external ports open except Asus DDNS, minimal config); WAN connection to Comcast is fine;
- Netgear GS724T switch with nothing configured (reset for network rebuild, no VLANS, LAG, etc).
- AC86U on port 1
- TP-Link AV2000 on ports 19 and 20
- Nothing else connected during test point above
- Haven't set the 724 to suppress the storm yet - more interested in whether known issue/why?
- TP-link AV2000 in wallplug near switch, 2nd in wallplug in upstairs hallway (had been connected to AP, worked fine).
- Verified/swapped all the individual cables involved.
Resetting the AV2000's doesn't seem to have fixed anything. I just got the TP-link utility, but it requires a wired connection to the device (when I get home....).
My google-fu has failed me so far. Familiar to anyone? Suggestions on how to proceed?
TIA