On Fri, Aug 12, 2016 at 10:16 AM, Tim Durack <[email protected]> wrote:
> On Thu, Aug 4, 2016 at 2:27 PM, Tim Durack <[email protected]> wrote: > >> Question: when an optic is "shutdown" on a router, what is the state of >> the transmitter? >> >> (10G DWDM SFP+ optic, EDFA amplified link etc...) >> >> -- >> Tim:> >> > > To follow up on my own question: the optics do what the router instructs. > However, "shutdown" does not guarantee the router is doing what you > instruct. :-) > > OSA measurement confirms this unexpected behavior. I have a case open with > Cisco to investigate optics turning on/off when router port is in a > shutdown state. (C6880, SUP2T, 15.2(1)SY1a) > > -- > Tim:> > Cisco Engineering provided a work-around: "no diagnostic monitor module <n> test TestUnusedPortLoopback" Testing indicates this has worked around the problem. Waiting for further comments from Cisco. -- Tim:> _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
