EtherChannels

Packet Captures

Sections:

Lab Topology

Scenario 

  • The goal is to examine the LACP and PAgP packets between the switches in the lab environment
  • In this lab exercise, I've set up a SPAN or port mirroring session to analyze the packets sent and received by port channel interfaces 1 and 2 on the HQ-Core-SW1 switch
    • LACP port channel 1 consisting of physical interfaces Gi1/0/21 and Gi1/0/23 towards HQ-DistroSW1
    • PAgP port channel 2 consisting of physical interfaces Gi1/0/25 and Gi1/0/27 towards HQ-DistroSW2
  • The captured inbound/outbound traffic will be copied and funneled out towards the Wireshark Analyzer off of port Gi1/0/1 on HQ-Core-SW1 to my PC

LACP Wireshark Packet 

PAgP Wireshark Packet