Hi,
I have two routers connected via a point to point layer1 dwdm fibre link via fixed 10G DWDM optics which are based on ITU 100GHz (eg DWDM-SFP10G-61.41). This works fine with no issues.
Im upgrading one router to asr9k and got DWDM-SFP10G-C for the 9k. I configured it to the wavelength required but I see that the tunables are based on 50Ghz not 100Ghz like the fixed.
ASR9K#sh run controller dwdm 0/8/0/23
Tue Jul 19 13:08:20.750 CET
controller dwdm0/8/0/23
wavelength 50GHz-Grid update 1535822
ASR9K#sh controllers dwdm 0/8/0/23 opti$
Tue Jul 19 13:07:41.660 CET
Optics Status
Optics Type: 10GBASE-TUNABLE
Wavelength Info: C-Band, MSA ITU Channel=19, Frequency=195.20THz, Wavelength=1535.822nm
Wavelength Owner: Configuration, ITU Channel: GMPLS Signaled=None, Configured=19, Hardware Default=84
TX Power = 0.00 dBm
RX Power = -40.00 dBm
Question: Is it a correct and supported configuration for a link between two routers having a fixed 100Ghz dwdm optic on one side and a tunable 50Ghz dwdm on the other end of the link. Note dwdm filters in the field are also based on 100Ghz
thanks
Mark
