Redmi AX6000 as Dumb AP generate ICMP Losses

Installing and Using OpenWrt
1

Hi all,

I followed the openwrt guidelines to install and configure a Redmi AX6000 with the 23.05.3 release and all is working fine with the AP. My laptop through the new WIFI can access to internet with no issues.

AX6000 AP <----- >router with fresh tomato <----- > ISP router

The fresh tomato router is the DHCP server.

I have a zabbix server on my home network with the icmp ping monitoring on my devices (unbuntu 20.04 machines + raspberry pi with buster)

When the AP is connected to the network, Zabbix is showing a lot of packets losses on my 4 raspberry pi and some of the Ubuntu 20.04 machine.But everything seems to be working fine.

on the AX6000, services disabled and stopped: dnsmasq, firewall, odhcpd. IPV6 is disable.

I read al lot of posts, but nothing related to my issue.

I will appreciate some help, thanks.

Sorry for my broken english...

1 Like
2

Can you mention exact zabbix probe showing losses? Ie is it softnet_stats, ethtool -S or netstat -i equivalent.
e.g. unconfigured vlan traffic counts for rx drops or qdisc tail-drops go into tx drops.

3

The probe is ICMP Loss. When the AP is connected, I could have 30 to 60% loss every 10 minutes...

4

sudo ethtool -S eno1 | grep err on a machine with a lot of packets losses show no errors

5

cat /proc/net/softnet_stat
?

6 
000455f8 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0001e54c 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
001eaee0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00050085 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00036771 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
000250b5 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
001b29c9 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
001c05e0 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

and netstat -i



Iface      MTU    RX-OK RX-ERR RX-DRP RX-OVR    TX-OK TX-ERR TX-DRP TX-OVR Flg
br-93771  1500        0      0      0 0             0      0      0      0 BMU
br-f836b  1500       80      0      0 0           207      0      0      0 BMRU
docker0   1500   129001      0      0 0        145269      0      0      0 BMRU
eno1      1500   530202      0    244 0        342681      0      0      0 BMRU
lo       65536     9671      0      0 0          9671      0      0      0 LRU
veth3541  1500  1460309      0      0 0       1486515      0      0      0 BMRU
veth0c29  1500    61579      0      0 0         61342      0      0      0 BMRU
veth122a  1500  1486487      0      0 0       1460515      0      0      0 BMRU
veth4797  1500     5833      0      0 0          6545      0      0      0 BMRU
veth4ee3  1500        0      0      0 0           116      0      0      0 BMRU
veth80a6  1500        0      0      0 0           116      0      0      0 BMRU
veth95a7  1500     1911      0      0 0          2751      0      0      0 BMRU
vetha278  1500    58962      0      0 0         73936      0      0      0 BMRU
vethb0ba  1500        0      0      0 0           116      0      0      0 BMRU
vethb8b8  1500       27      0      0 0           137      0      0      0 BMRU
vethd49c  1500        0      0      0 0           116      0      0      0 BMRU
vethdb16  1500      689      0      0 0          1138      0      0      0 BMRU
wlp0s20f  1500        0      0      0 0             0      0      0      0 BMU
7

Please edit and format with </> button

8

Is that OpenWRT?

9

no it was an Ubuntu 20.04 machine with a lot of packets losses.
I dont have any packets losses on the openwrt dumb ap

10

cat /proc/net/softnet_stat on the openwrt

00008433 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00001451 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001
00000725 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000002
11

ethtool -S eth0 | grep err on openwrt show no error

12

No problem with OpenWRT, fix your ubuntu
Checklist same as in

13

Thanks brada4 for your time, but without the openwrt no issue on the network..

14

There are no issues in OpenWRT, check all cables swittches in between.

15

I will do that, thanks.

16

Finally I have replaced my old router with a tomato firmware by a banana bpi-r3 with an openwrt 23.05.3.
I have enabled STP on the banana (br-lan) and the AX6000 (br-lan).
I still have a lot of ICMP packets losses when the AX6000 dumb AP is connected. but now I have this message on the banana log :

br-lan: received packet on lan2 with own address as source address (addr:xx:xx:xx:xx:xx;XX, vlan:0)

The xx:xx:xx:xx:xx:xx is the mac of the banana br-lan.

If the AX6000 is unplugged, no more ICMP packets losses and no more messages on the log.