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jindivik · ‎Sep 11 2019

Identified the issue for anyone else in the future. There is an option under Diagnostics -> Event Notiications and disable the Broadband Status Notification. Doing an nslookup before and after this showed that the router resolves all DNS entries if the router is down to the 192.168.1.254 and disabling this notification resolves the problem.

jindivik · ‎Sep 10 2019

About 10 minutes but honestly anything longer than the already long 5 minutes is to much. ATT has stated that there isn't a way to disable this feature so probably looking at trading their modem in for something else if possible. Hoping someone here has dealt with this before though.

jindivik · ‎Sep 10 2019

Yes while on the network locally you get a splash page produced by the Arris that says the internet is down which we assume is why the MX doesn't recognize that its offline because the ARP/DNS queries still route somewhere.

jindivik · ‎Sep 10 2019

We have a Meraki MX setup behind our ATT Arris which is set to IP passthrough. We also have a backup circuit setup and when we test failing over the ATT modem provides the MX with a Internet Down alert page that essentially makes the MX believe its still connected to the internet causing it to never fail over. Is there a way to disable this feature or should we be setting the ATT modem up in a different manner?

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Re: Meraki MX and ATT Arris GBW210 - Failover Issues

Re: Meraki MX and ATT Arris GBW210 - Failover Issues

Re: Meraki MX and ATT Arris GBW210 - Failover Issues

Meraki MX and ATT Arris GBW210 - Failover Issues

Re: Meraki MX and ATT Arris GBW210 - Failover Issues

Re: Meraki MX and ATT Arris GBW210 - Failover Issues