I'm having issues with 80Km optics.
10Gbase-SR works fine, also for 10Km CWDM optics.
1Gbase-ZR 80km also works (but those are 1Gbit).
For the CWDM optics, optics are recognized, powerlevels are fine, and link is established.
10Gbase DWDM / 80Km doesnt come up. I have to manually disable and re-enable the interface, after that the optical powerlevels show up. But link is not detected.
I've tested multiple optics (various wavelenghts), all the same. They work fine in other switches (Zyxel, Huawei, Cisco)
Tested with CCR1072-1G-8S+ and CCR1009-7G-1C-S+, 6.38.3 and 6.39rc35