[andreasley]

Only mentioned briefly in this document, but may be of interest to some: 10GBASE-LR optics work with old multimode fiber [1].

Replacing the 10GBASE-SR optics with 10GBASE-LR fixed a flapping OM2 link for me (using mode conditioning patch cables).

[1] https://www.flexoptix.net/en/blog/2011/09/getting-a-10g-stab...