Nortel Networks 5510 User Manual
Filters and QoS Configuration for ERS 5500
Technical Configuration Guide
Technical Configuration Guide
v2.0
NN48500-559
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External Distribution
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SOFTWARE BASELINE ................................................................................................... 70
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REFERENCE DOCUMENTATION.................................................................................... 70
List of Figures
Figure 1: QoS System Diagram ....................................................................................................... 6
Figure 2: QoS Flow Chart ................................................................................................................ 9
Figure 3: Arp Spoofing Example .................................................................................................... 34
Figure 4: IP ACL, DHCP Snooping, ARP Inspection, and Source Guard ..................................... 50
Figure 5: L2 Classification Based on MAC Address Example....................................................... 62
Figure 6: DSCP Mapping via Un-restricted Port Role ................................................................... 66
List of Tables
Table 1: Default QoS Action ............................................................................................................ 7
Table 2: Example of Valid Port Ranges......................................................................................... 11
Table 3: Default Policy Drop Action ............................................................................................... 12
Table 4: Ethernet Routing Switch 5500 Resource Sharing ........................................................... 14
Table 5: Ethernet Routing Switch 5500 Egress CoS Queuing ...................................................... 15
Table 6: Meter and Shaping Range and Granularity ..................................................................... 19
Table 7: Actual Bucket Size in Bytes ............................................................................................. 20
Table 8: Meter Bucket Size and Duration ...................................................................................... 22
Table 9: Default Nortel CoS Markings ........................................................................................... 24
Table 10: QoS Applications – Number of Classifiers Used ........................................................... 33