Brocade Multi-Service IronWare QoS and Traffic Management Configuration Guide (Supporting R05.6.00) - Manual (Page 5)

Multi-Service IronWare QoS and Traffic Management Configuration Guide 3
53-1003037-02
Configuring QoS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Configuring QoS procedures applicable to
Ingress and Egress. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Configuring a force priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Configuring extended-qos-mode . . . . . . . . . . . . . . . . . . . . . . . . .49
Configuring port-level QoS commands on LAG ports . . . . . . . .49
Configuring port-level QoS commands on CPU ports . . . . . . . . 51
Displaying QoS information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Displaying QoS Configuration information . . . . . . . . . . . . . . . . .54
Clearing the QoS packet and byte counters. . . . . . . . . . . . . . . .54
Scheduling traffic for forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Configuring traffic scheduling . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Egress port and priority based rate shaping . . . . . . . . . . . . . . . . . . . 57
Example of configuring Prioritized Voice over Data . . . . . . . . . .59
Clearing traffic manager statistics . . . . . . . . . . . . . . . . . . . . . . . 61
Network processor counters displayed . . . . . . . . . . . . . . . . . . . 61
Multicast queue size, flow control, rate shaping and egress buffer threshold62
Ingress traffic shaping per multicast stream . . . . . . . . . . . . . . .65
Implementation considerations . . . . . . . . . . . . . . . . . . . . . . . . .65
Configuring multicast traffic policy maps. . . . . . . . . . . . . . . . . .66
Binding multicast traffic policy maps . . . . . . . . . . . . . . . . . . . . .67
Configuration example for rate shaping IPTV multicast stream68
Tuning multicast parameters . . . . . . . . . . . . . . . . . . . . . . . . . . .69
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Chapter 4 Configuring Quality of Service for the Brocade NetIron XMR and Brocade MLX series
Ingress Traffic processing through a device . . . . . . . . . . . . . . . . . . .72
Recognizing inbound packet priorities and mapping
to internal priority. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Creating an Ingress decode policy map. . . . . . . . . . . . . . . . . . . . . . . 74
Forcing or merging the priority of a packet . . . . . . . . . . . . . . . . . . . . 74
Forcing or merging the drop precedence of a packet. . . . . . . . . . . .75
Egress Traffic processing exiting a device. . . . . . . . . . . . . . . . . . . . . 76
Creating an egress encode policy map . . . . . . . . . . . . . . . . . . . . . . . 76
Backward compatibility with pre-03.8.00 . . . . . . . . . . . . . . . . . . . . . 77
Commands deprecated in version 03.8.00 . . . . . . . . . . . . . . . . 77
qos-tos trust and qos-tos mark commands . . . . . . . . . . . . . . . . 77
DSCP-priority mapping commands . . . . . . . . . . . . . . . . . . . . . . .78
Default QoS mappings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Protocol Packet Prioritization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Enhanced control packet prioritization. . . . . . . . . . . . . . . . . . . .85
Configuring QoS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Configuring Ingress QoS procedures . . . . . . . . . . . . . . . . . . . . .86
Configuring Egress QoS procedures . . . . . . . . . . . . . . . . . . . . . .86
Configuring QoS procedures applicable to Ingress
and Egress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86