ssh root@192.168.1.1 "grep -F 'ubios-udapi-server: ubios-udapi-server: wanFailover: eth8 is' /var/log/messages* | cut -d':' -f 2- | sort | tail" 2>/dev/null
example output:
Jun 14 20:08:19 UDM-Pro user.info ubios-udapi-server: ubios-udapi-server: wanFailover: eth8 is down: {"alarm":true,"dns_alarm":0,"id":"eth8","lat_avg":14933,"loss_pct":21.052600860595703,"std_dev":1399,"type":"wanFailover"}
Jun 14 20:08:19 UDM-Pro user.info ubios-udapi-server: ubios-udapi-server: wanFailover: no change (eth8: down, eth9: down+off)
Jun 14 20:13:29 UDM-Pro user.info ubios-udapi-server: ubios-udapi-server: wanFailover: eth8 is up: {"alarm":false,"dns_alarm":0,"id":"eth8","lat_avg":34592,"loss_pct":5.0,"std_dev":79903,"type":"wanFailover"}
Jun 14 20:13:29 UDM-Pro user.info ubios-udapi-server: ubios-udapi-server: wanFailover: using table 201 (eth8: up, eth9: down+off)
history of failures:
ssh root@192.168.1.1 "grep -F 'ubios-udapi-server: ubios-udapi-server: wanFailover: eth8 is' /var/log/messages* | cut -d':' -f 2- | sort" 2>/dev/null | grep -F 'is down' | cut -d ':' -f 1 | sort | uniq -c
1 Jun 10 17
1 Jun 10 21
1 Jun 11 04
1 Jun 11 18
1 Jun 11 20
1 Jun 11 23
1 Jun 12 08
1 Jun 12 12
1 Jun 12 23
1 Jun 13 06
1 Jun 13 17
3 Jun 14 02
1 Jun 14 08
7 Jun 14 14
1 Jun 14 20
1 Jun 14 23
check dpinger:
ps aux | grep -F dpinger
12440 root grep -F dpinger
23850 root /usr/bin/dpinger -f -i eth8 -B IP_ADDRESS -s 60s -d 1 -t 86400s -u /run/dpinger-eth8-monitor-0.sock ping.ubnt.com
23852 root /usr/bin/dpinger -f -i eth8 -B IP_ADDRESS -s 3s -d 1 -D 1500m -L 20 -l 2s -C /usr/bin/wan-failover-script -n 8.8.8.8 -n 8.8.4.4 -t 60s -u /run/dpinger-eth8-monitor-1.sock ping.ubnt.com
change from ping.ubnt.com -> 192.168.1.1
- https://help.ui.com/hc/en-us/articles/360052548713-UniFi-UDM-USG-WAN-Load-Balancing-and-Failover
- old user interface
- devices -> UDM Pro -> Config -> Advanced -> Echo Server -> 192.168.1.1