Quote:
Originally Posted by Ether
I thought I answered that:
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The IP 3 hops away is probably at the network level near that ISP's perimeter.
So if the DNS doesn't turn out to be the issue you probably have lost your connection to them over that link.
If you have the information to access the equipment on your side you can probably query the status of the connectivity to the tower from the web interface. I think that unit supports SNMP as well so you could query the status of the link from that. They appear to have an MIB for that purpose available. Then you could work it out such that you can monitor the signal level and data transmission rates.