There are these two switches.1. When connected using the downlink port, the link comes up normally.ex) c1000fe24T(fa1/0/1) ↔ C1000fe48T (fa1/0/1)2. However, if you connect using an uplink port, the link does not come up.ex) c1000fe24T(gi1/0/1) ↔ C100...