ER706W freezes
Hi,
I have two sets of ER706W in two different locations.
One is connected to 4G cellular network (modem is in bridge mode) - let's call it Side Office,
Second is connected to fiber 1/1Gbps network (directly to ONT) - let's call it Main Office.
Devices are connected via IPsec Site-2-Site, where Main Office is in responder mode. I do use DynDNS since public IPs may change.
Both sites are managed by one OC200 controller, placed in Main Office, connected directly to router, powered separately. Cloud access is enabled.
Since (about) a month I'm facing weird "freezez" of both devices which looks for me totally random and can happen at night, when there is no traffic in the network at all. It happens to both but not at the same time, every few days.
The freezes, looks the same for both routers: the device in theory is working (LEDs are blinking) but router is not responding:
1. Can't attempt to access it's webgui (address not responding) - both
2. Can't connect to WiFi - any attempt end up with failed connection - both
3. Side Office on Controller's dashboard looks like it is totally disconnected (no graph)
4. When Main Office's router is frozen, shows as Offline Controller in cloud access
5. After router's reboot (point 4) Main Office on Controller's dashboard from that time shows as connected, but there was no traffic, PING line was totally flat and constantly on value 1mc (which is impossible, minimum ping is 6ms)
The only thing I can do to make those devices work then is to manually restart those (reconnect to power supply).
I do have some more configuration on Main Office router (few subnets, IPsec and OpenVPN server, DynDNS, some ACLs) but Side Office router has almost no specific config (IPsec, DynDNS only).
No device error is showed in logs, no massive CPU/memory usage/spikes, no traffic before/during those freezes.
The only thing that comes to my mind is the last update (1.1.2) - but I'm not 100% sure if the problems started after that upgrade or some time before.
What should I check in that case? Are there any additional logs somewhere available or only those I can see in controller's log section? Anyone faced the same issue by any chance?
Thanks for any tips.
Cheers!
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@Clive_A How do you resolve it?
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steinhouse10874 wrote
@Clive_A How do you resolve it?
This is not a router issue as explained above. As we comply with the DHCP, there isn't too much we can do. You can contact your ISP regarding this as they have set the renewal for too long and they change the IP before the renewal time is reached, which is not supposed to happen.
We have made a beta for him, but based on the reply, he said it did not work.
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@Clive_A I have several 706W in the field. I have one that intermittently loses connection. I'll have to open a ticket later but I don't think this is the same issue.
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steinhouse10874 wrote
@Clive_A I have several 706W in the field. I have one that intermittently loses connection. I'll have to open a ticket later but I don't think this is the same issue.
Intermittent connection that can recover, that's indeed a different issue.
His ER706W is not. It's completely out of the Internet and I gotta manually reconnect the wire to recover the new IP and the reason is renewal time.
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