Technology: Switching Area: Link aggregation Vendor: Cisco Software: 12.X , 15.X Platform: Catalyst platforms Port Aggregation Protocol (PAgP) is a Cisco proprietary protocol which is used for the automated, logical aggregation of Ethernet switch ports, known as an Ether Channel. There are two modes of PAgP: Auto mode: it passively negotiates PAgP aggregation. If the … Continue reading PAgP configuration (Cisco)