[JunOS/Cisco IOS] Setting up an EtherChannel between Juniper and Cisco devices

Cisco devices by default use PAgP (Port Aggregation Protocol) when establishing EtherChannel connections between devices.  PAgP is a proprietary protocol that is exclusive to Cisco systems.  LACP is a protocol that accomplishes the same thing but is universal and thus available on Juniper devices.  Here’s how to set them up. Cisco side.  Here’s the configuration […]