TL-ER6020 hangs every so often..
Hi,
I have a TL-ER6020 connected to two different ISP, and an internal network that has about 50 devices connected.
At irregular intervals (a couple of days), the devices will be disconnected form internet, and new devices may not even receive an IP.
Logging on the management console will see one of the cpus being used more than the other.
The logs don't report anything particular except some warnings such as: Detected suspected ARP attack packets. Be careful!
Restarting the TL-ER6020 will fix the issue for the next days, but does not solve the problem.
Does someone have an idea what may cause this behavior?
Is there a way to debug this type of issues?
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Hi @alfaprima
Thanks for posting in our business forum.
Refer to the troubleshooting guide first. Verify if this is a LAN or WAN issue.
Secondly, ARP issue, you should fix the ARP issue by looking it up in your settings. Is there any duplicate IP address? That would the be root cause for your ARP issue.
Lastly, might consider if the router cannot handle all those devices. 50 devices, what are they? If 50 devices are heavy bandwidth devices, this model is old and may not handle that many devices.
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Thank for the reply.
looking into the different issues:
ARP: the full message is: Detected ARP conflict. Dropped 9 packets. (Packet=192.168.0.199:00-F6-20-7B-7F-39, Bind-Rule=192.168.0.199:00-F6-20-7B-7F-39)
In the LAN settings:
20 | Google-Home | 00-F6-20-7B-7F-39 | 192.168.0.199 | 1:59:34 | --- |
Address Reservation:
39 | 00-F6-20-7B-7F-39 | 192.168.0.199 | Google-Home |
The device its an old Google Home speaker
I can't spot the problem from this information.
50 Devices:
we have a home office (hence the need of 2 internet providers), we don't host anything inside, and the volumen of traffic si not high.
Many of the devices are IOT devices, and other network connected devices like printer and TV. Again the use is low.
C:\Users\jp>ping 192.168.0.1 -t
Pinging 192.168.0.1 with 32 bytes of data:
Reply from 192.168.0.1: bytes=32 time=17ms TTL=64
Reply from 192.168.0.1: bytes=32 time=31ms TTL=64
Reply from 192.168.0.1: bytes=32 time=10ms TTL=64
Reply from 192.168.0.1: bytes=32 time=7ms TTL=64
Reply from 192.168.0.1: bytes=32 time=42ms TTL=64
Reply from 192.168.0.1: bytes=32 time=269ms TTL=64
Reply from 192.168.0.1: bytes=32 time=2ms TTL=64
Reply from 192.168.0.1: bytes=32 time=23ms TTL=64
Reply from 192.168.0.1: bytes=32 time=73ms TTL=64
Ping statistics for 192.168.0.1:
Packets: Sent = 9, Received = 9, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 269ms, Average = 52ms
Tracing route to dns.google [8.8.8.8]
over a maximum of 30 hops:
1 3 ms 2 ms 4 ms 192.168.0.1
2 433 ms 208 ms 5 ms 192.168.10.1
3 27 ms 13 ms 10 ms 10.161.10.161
4 12 ms 16 ms 11 ms mx-str-1-ae115-300.voo.be [78.129.125.45]
5 19 ms 27 ms 116 ms mx-lvl3-2-ae8-0.voo.be [212.68.211.169]
6 88 ms 28 ms 282 ms 192.168.175.13
7 * 2838 ms 203 ms mx-lvl3-2-ae20-0.voo.be [212.68.211.144]
8 21 ms 18 ms 16 ms mx-bxl2-2-ae1-0.voo.be [212.68.211.21]
9 * * * Request timed out.
10 193 ms 19 ms 24 ms 216.239.54.185
11 21 ms 20 ms 14 ms 209.85.254.113
12 130 ms 18 ms 18 ms dns.google [8.8.8.8]
Trace complete.
Will redo this when the issue happens again.
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Hi @alfaprima
Thanks for posting in our business forum.
alfaprima wrote
Thank for the reply.
looking into the different issues:ARP: the full message is: Detected ARP conflict. Dropped 9 packets. (Packet=192.168.0.199:00-F6-20-7B-7F-39, Bind-Rule=192.168.0.199:00-F6-20-7B-7F-39)
In the LAN settings:
20 Google-Home 00-F6-20-7B-7F-39 192.168.0.199 1:59:34 ---
Address Reservation:
39 00-F6-20-7B-7F-39 192.168.0.199 Google-Home
The device its an old Google Home speaker
I can't spot the problem from this information.
50 Devices:
we have a home office (hence the need of 2 internet providers), we don't host anything inside, and the volumen of traffic si not high.Many of the devices are IOT devices, and other network connected devices like printer and TV. Again the use is low.
C:\Users\jp>ping 192.168.0.1 -t
Pinging 192.168.0.1 with 32 bytes of data:
Reply from 192.168.0.1: bytes=32 time=17ms TTL=64
Reply from 192.168.0.1: bytes=32 time=31ms TTL=64
Reply from 192.168.0.1: bytes=32 time=10ms TTL=64
Reply from 192.168.0.1: bytes=32 time=7ms TTL=64
Reply from 192.168.0.1: bytes=32 time=42ms TTL=64
Reply from 192.168.0.1: bytes=32 time=269ms TTL=64
Reply from 192.168.0.1: bytes=32 time=2ms TTL=64
Reply from 192.168.0.1: bytes=32 time=23ms TTL=64
Reply from 192.168.0.1: bytes=32 time=73ms TTL=64Ping statistics for 192.168.0.1:
Packets: Sent = 9, Received = 9, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 269ms, Average = 52ms
Tracing route to dns.google [8.8.8.8]
over a maximum of 30 hops:1 3 ms 2 ms 4 ms 192.168.0.1
2 433 ms 208 ms 5 ms 192.168.10.1
3 27 ms 13 ms 10 ms 10.161.10.161
4 12 ms 16 ms 11 ms mx-str-1-ae115-300.voo.be [78.129.125.45]
5 19 ms 27 ms 116 ms mx-lvl3-2-ae8-0.voo.be [212.68.211.169]
6 88 ms 28 ms 282 ms 192.168.175.13
7 * 2838 ms 203 ms mx-lvl3-2-ae20-0.voo.be [212.68.211.144]
8 21 ms 18 ms 16 ms mx-bxl2-2-ae1-0.voo.be [212.68.211.21]
9 * * * Request timed out.
10 193 ms 19 ms 24 ms 216.239.54.185
11 21 ms 20 ms 14 ms 209.85.254.113
12 130 ms 18 ms 18 ms dns.google [8.8.8.8]Trace complete.
Will redo this when the issue happens again.
1. Fix the ARP issue. If you don't fix it, I cannot rule out this variable. So, there is no need to go further because I think it is the reason why here while nothing useful is provided as evidence to lead the troubleshooting.
2. The PC you used for the test is getting this high ping. Is it on WIFI? Use the wired and does it get this high ping?
3. This shows the issue is on your 192.168.10.1 router. Have you checked the connection between 0.1 and 10.1?
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