CoS Features of the Router Hardware and PIC 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 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 | Trio DPC/MPCs | 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 |
