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PFC

Legacy PFC QoS Uncategorized 

PFC Queue Limits (Queue Depth/Size)

15th December 200928th June 2019 Simon Birtles 3bxl, 3cxl, 6500, 7600, cisco, PFC, QoS, supervisor, ws-6748, ws-x6708, ws-x6724

LAN Based Cards Queue Depths Applicable to the LAN based cards such as the ws-x6708, ws-6724, etc, these cards have

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Legacy PFC QoS Uncategorized 

PFC Commands

7th December 200928th June 2019 Simon Birtles 3bxl, 3cxl, 6500, 7600, cisco, PFC, QoS, supervisor, ws-6748, ws-x6708, ws-x6724

show platform hardware pfc mode – Check to see what mode with regards to installed PFC/DFC cards on Sup and

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Legacy PFC QoS Uncategorized 

PFC: Classification, policing and marking with MQC

28th October 200928th June 2019 Simon Birtles 3bxl, 3cxl, 6500, 7600, Aggregate, cisco, masks, Microflow, PFC, Policing, QoS, supervisor, ws-6748, ws-x6708, ws-x6724

The MQC (Modular QoS Command Line) for PFC enabled cards provides classifaction, policing and marking. All queueing is done on

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Legacy PFC QoS Uncategorized 

PFC Egress Flow

27th October 200928th June 2019 Simon Birtles 3bxl, 3cxl, 6500, 7600, cisco, CoS, DSCP, Egress, maps, PFC, QoS, Queue, supervisor, ws-6748, ws-x6708, ws-x6724

The following diagram shows the process of egress showing effecting commands vs. the area of concern.  A 1p3qxt card has been

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Legacy PFC QoS Uncategorized 

Using Trusted Ports

27th October 200928th June 2019 Simon Birtles 3bxl, 3cxl, 6500, 7600, cisco, CoS, DSCP, ip precedence, ipp, PFC, QoS, supervisor, trust, ws-6748, ws-x6708, ws-x6724

A port can be set to trust on ingress for CoS, IPP, or DSCP. ‘mls qos trust cos’ ‘mls qos trust

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Legacy PFC QoS Uncategorized 

Commands applied per ASIC

27th October 200928th June 2019 Simon Birtles 3bxl, 3cxl, 6500, 7600, ASIC, cisco, Commands, PFC, ports, QoS, SUP720, supervisor, wrr, ws-6748, ws-x6708, ws-x6724

The following commands effect all ports on an ASIC, when you configure one of these commands on a port, all

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Legacy PFC QoS Uncategorized 

PFC Hardware QoS Queuing Interface Commands

27th October 200928th June 2019 Simon Birtles 3bxl, 3cxl, 6500, 7600, cisco, Commands, hardware, PFC, QoS, queueing, supervisor, wrr, ws-6748, ws-x6708, ws-x6724

These interface commands are for PFC QoS Queuing, such as enabling WRED, configuring CoS-to-Q mappings, queue sizes and bandwidth per

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Contact

Simon Birtles
CCIE #20221
[Enterprise Infrastructure & Security]
Haystack Networks Ltd
https://linkedin.com/in/simonbirtles simon.birtles@haystacknetworks.com https://github.com/simonbirtles/

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