I'm thinking aobut prioritizing traffic over a L2 MAN link (200 MBit Colt Etherlink). Background scenario is: We mainly have two sorts of traffic. One is system monitoring, heart beats etc. of our systems at another branch. This traffic should not be more than a few KB/s. The other sort of traffic is replication between data store cluster, which is congesting the line for several hours per day and preventing monitoring systems from working flawlessly during this time.
On both ends of the MAN link we use Cisco 3850 switches.
My question is more of a fundamental nature: Is QoS/traffic shaping within such a L2 scenario basically possible and sensible?
Thank you in advance if someone has a few helpful words to say on this subject.