We have some small offices where we are deploying redundant pairs of SG115s. These offices typically have a small dumb switch with no VLAN capability.
If we just use the SG pair with nothing but the HA cable connected, will that be sufficient for the partner device to stay up to date (config and firmware updates) or do we need to have the partner device connected to the WAN as well?
The idea would be that if the primary device ever failed, onsite staff would simply shift the WAN and LAN connections from primary to spare...
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