On 04/04/17 12:48, Florian Lohoff wrote: > Are there more debugging possibilities to find the cause for > the laser shutdown? I still think the SFP is faulty but > that means the whole lot is broken in some respect.
I assume you've tried the basics? 1. Cross-connect cable cleaned end-to-end 2. Swap for new optic (yes, you have) 3. Tried a different port? I'm curious; when the LOS happens, what are the Tx/Rx SnR values? You've stated that the optic is shutdown at present, so I'd assume that -40dBm Tx is only as a result of that, not a symptom. Can you elaborate on the symptoms in terms of Tx/Rx figures, and/or if there are any excessive errors/discards before the LOS? Have you spoken to the upstream to ask if their monitoring has a poor Rx value? What's the full port config on your side? Scrub the identifying details if necessary. :) HTH, -- Tom _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
