CIR is the commited information rate and should be = to BW contracted to the provider for that particular PVC. EIR is the excess information rate and should be = to max burst rate contracted to the provider. In general (but not always) CIR + EIR = AR (access rate) where AR is your Local Loop...
DLCI and LMI are both Local significant. If your provider is talking about globally signicant DLCI he is telling you that they are going to provide de same DLCi# in both ends to make your planning and troubleshooting easy. But technically global significance has no mean.
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