My understanding is when the RED is configured in Standard/Split mode that all data on the network goes through the RED to the main UTM, but all "internet traffic" goes out from the RED device via the local remote office's cable modem or such. The thing that we do not understand is when the "Internet" goes out at the main office (Sophos SG 135), the RED 10 device at the remote office also goes down and the site can not access the internet. Even though that sites internet from the ISP is not down? Why?
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