sorry for my poor english
I'm trying add two links for my old system.
4506E vss----4500X vss
using channel group mode on(old config,cant change to lacp by now)
4506E(ten1/5/10,2/5/10)-------4500X(ten1/1/1,2/1/1)
and i have test the new links usi...
no，i have two vss pair
4506E vss and 4500-X vss
i have connecting them with MEC,now we need adding two 10G link into this MEC.
after adding the fourth link the port-channel stop work. but no errors in the system message
