Does Priority Queueing on the Frame Relay main interface work in Cisco IOS 12.1?
A. Frame Relay interfaces support both interface queueing mechanisms and per-Virtual Circuit (VC) queueing mechanisms. As of Cisco IOS 12.0(4)T, the interface queue supports First In First Out (FIFO) or Per Interface Priority Queueing (PIPQ) only when you configure Frame Relay Traffic Shaping (FRTS). Therefore, the following configuration will no longer work if you upgrade to Cisco IOS 12.1. interface Serial0/0 frame-relay traffic-shaping bandwidth 256 no ip address encapsulation frame-relay IETF priority-group 1 ! interface Serial0/0.1 point-to-point bandwidth 128 ip address 136.238.91.214 255.255.255.252 no ip mroute-cache traffic-shape rate 128000 7936 7936 1000 traffic-shape adaptive 32000 frame-relay interface-dlci 200 IETF If FRTS is not enabled, you can apply an alternative queueing method, such as Class Based Weighted Fair Queueing (CBWFQ), to the main interface, which is acting like a single bandwidth pipe. In addition, as of Cisco IOS 12.1.1(T), you can enable Frame Relay Per
Related Questions
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- What is Frame Relay private virtual circuit (PVC) Interface Priority Queueing (PIPQ)?
- Does Priority Queueing on the Frame Relay main interface work in Cisco IOS 12.1?
