Cisco Packet Tracer Qos Jun 2026

R1(config)#interface serial 0/0/0 R1(config-if)#max-reserved-bandwidth 100 ; Allows using 100% of bandwidth (default is 75%) R1(config-if)#service-policy output QOS-POLICY

By default, networks operate on a "Best Effort" model. The network treats every packet equally— an email packet stands in the same line as a VoIP packet. If the line is long, both wait. If the line overflows, both are dropped. cisco packet tracer qos

Let’s combine everything into a final "expert" configuration for an enterprise branch. This lab is fully replicable in Packet Tracer. both wait. If the line overflows