When I connect the SFP module in WAN2 of a MX95 to an Extreme switch it will not link. However if I connect the same SFP using the same fiber patch in WAN2 to an upstream netgear switch it connects. Moreover that same netgear switch will connect to the extreme switch. Is there a setting required in the upstream device to get a connection? We also had the exact same issue on a different network trying to connect an MX85 to an ATT provided Siena switch.
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