At the ethernet layer sure, but have fun trying to run spanning tree on a mixed Cisco/Juniper/Brocade network.
Switch vendors are also notorious for locking out SFP modules from other manufacturers for no reason, which is particularly annoying because there are so many different types applicable to specific situations (e.g. DWDM) and your switch manufacturer doesn't even necessarily make the ones you need.
(Disclaimer: I've been out of the networking game for 4 years)
Switch vendors are also notorious for locking out SFP modules from other manufacturers for no reason, which is particularly annoying because there are so many different types applicable to specific situations (e.g. DWDM) and your switch manufacturer doesn't even necessarily make the ones you need.
(Disclaimer: I've been out of the networking game for 4 years)