Tuesday, May 1, 2018

VSL interface setup in single-sup cross chassis VSS

I am spinning up two 4510R+E chassis with one SUP8-E in each chassis. Regarding the physical interfaces I started (over thinking) what interfaces to use for the VSL (virtual switch links). Instinctively I set it up on a Ten sup interface (SFP-10G-SR) to establish the VSS pair more effetively in boot up situations but then started to realize that if one of my sup's died then my VSL goes bye bye. Is it reasonable to convert that sup interface to a GLC-T that would allow me to setup other interfaces on my X4748-UPOE+E line cards for redundancy? (I cant have mismatched 10G and 1G interfaces). Are there some good strategies you have seen in this regard?



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