Frame Relay Notes - DE, FECN, and BECN
* All are part of the frame relay congestion management suite.
* Frame relay switches monitor links for CIR or oversubscription congestion on links.
* If the VC has a CIR of 256k, the switch knows there is congestion if the customer is sending more than 256k down that VC.
* Discard Eligible
*
* Flag