Multi Protocol Label Switching basics

MPLS label 1. 32-bit long. 2. First 20 bits for label, second 3 bits for EXP which is used for quality of service, third 1 bit for bottom of the stack, last 8 bits for time to live. 3. Here is the break down: a. bit 0 to bit 19: Label. b. bit 20 to … Continue reading Multi Protocol Label Switching basics