Cisco EtherChannel Configuration Example! | Cisco PAgP | Free CCNA 200-301 | www.ipcisco.com | #network#networking#cisco#ccna#cisconetworking#packettracer #etherchannel#PAGP#ciscoswitch . Link Aggregation is bundling two or more links as one logical link for increasing bandwidth and availability. This can be done by one of the two protocols . One of them is the Cisco proprietary PAgP and the other is standard based LACP. PAgP is the Port Aggregation Protocol. And the LACP is the Link Aggregation