incidents: wifi issues in tent 5 (ongoing)

2022-07-01 03:30:32 +02:00 · 2022-07-01 03:30:32 +02:00 · 1b2e42cae2
parent 3e6de784aa
commit 1b2e42cae2
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--- a/documentation/INCIDENTS.md
+++ b/documentation/INCIDENTS.md
@ -17,3 +17,113 @@ Tape back the protective cap of the power strip and reinsert the power supply
 **impact**:

 No internet access for 2 hours
+
+
+2022.06.30 12:00 - ??:?? | wifi issues in Tent 5
+------------------------------------------------
+
+**issue**:
+
+A resident reported slow internet speeds. He resides in tent 5. I do not have more information.
+But it seems that the ap in tent 5 `ap-ac7c` is very slow and hangs/freezes a lot via ssh.
+
+good ap:
+```
+user@freifunk-admin:~$ time ssh ap-2bbf uptime
+ 01:04:43 up 1 day,  6:21,  load average: 0.01, 0.02, 0.00
+
+real	0m1.438s
+user	0m0.071s
+sys	0m0.011s
+user@freifunk-admin:~$ time ssh ap-2bbf uptime
+ 01:17:49 up 1 day,  6:34,  load average: 0.00, 0.01, 0.00
+
+real	0m1.924s
+user	0m0.070s
+sys	0m0.010s
+```
+
+bad ap:
+```
+user@freifunk-admin:~$ time ssh ap-ac7c uptime
+ 01:05:00 up 1 day,  6:33,  load average: 0.01, 0.08, 0.03
+
+real	0m29.526s
+user	0m0.070s
+sys	0m0.014s
+user@freifunk-admin:~$ time ssh ap-ac7c uptime
+ 01:06:22 up 1 day,  6:34,  load average: 0.00, 0.06, 0.03
+
+real	1m15.379s
+user	0m0.081s
+sys	0m0.015s
+user@freifunk-admin:~$
+```
+
+a reboot (2022.07.01 03:09:10 - 03:10:29) did not solve the slugish ssh connections.
+
+**solution**:
+
+shortterm: poweroff ap so clients can hopefully roam to a non-broken ap (done)
+```
+root@sw-access02:~# uci show poe | grep lan2
+poe.@port[1].name='lan2'
+root@sw-access02:~# uci set poe.@port[1].enable=0
+root@sw-access02:~# uci commit poe
+root@sw-access02:~# /etc/init.d/poe restart
+root@sw-access02:~# ubus call poe info
+{
+	"firmware": "v22.4",
+	"mcu": "ST Micro ST32F100 Microcontroller",
+	"budget": 77.000000,
+	"consumption": 0.000000,
+	"ports": {
+		"lan1": {
+			"priority": 0,
+			"mode": "PoE+",
+			"status": "Searching"
+		},
+		"lan3": {
+			"priority": 0,
+			"mode": "PoE+",
+			"status": "Searching"
+		},
+		"lan4": {
+			"priority": 0,
+			"mode": "PoE+",
+			"status": "Searching"
+		},
+		"lan5": {
+			"priority": 0,
+			"mode": "PoE+",
+			"status": "Searching"
+		},
+		"lan6": {
+			"priority": 0,
+			"mode": "PoE+",
+			"status": "Searching"
+		},
+		"lan7": {
+			"priority": 0,
+			"mode": "PoE+",
+			"status": "Disabled"
+		},
+		"lan8": {
+			"priority": 0,
+			"mode": "PoE+",
+			"status": "Disabled"
+		}
+	}
+}
+root@sw-access02:~#
+```
+longterm: replace the broken ap
+
+**impact**:
+
+**2022.06.31 12:00 - 2022.07.01 03:30**:
+(very) slow wifi for clients connected to `ap-ac7c`
+
+
+**2022.07.01 03:30 - ??**:
+bad signal strength for clients in tent 5