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CoS Features of the Router Hardware, PIC, and MIC and MPC Interface Families
Table 1 compares the PIC families with regard to major CoS features. Note that this table reflects the ability to perform the CoS function at the PIC or MPC/MIC interface level and not on the system as a whole.
Table 1: CoS Features of the Router Hardware and Interface Families Compared
Feature: | M320 and T Series | MIC and MPC Interfaces | IQ PICs | IQ2 PICs | IQ2E PICs | Enhanced IQ PICs |
|---|---|---|---|---|---|---|
BA classification | Yes | Yes | – | – | – | Yes |
ToS bit rewrites | Yes | Yes | Yes, for IEEE bits only | Yes, for IEEE bits only | Yes, for IEEE bits only | – |
Ingress ToS bit rewrites | – | Yes, with firewall filter | – | – | – | Yes |
Hierarchical policers | – | Yes | – | – | – | Yes |
