Depends on your telco. If the system is built correctly, CIR is always guaranteed, because the sum of all CIRs on a given physical link should never exceed the bandwidth of the link. However, many telcos oversell CIR because they (and their customers) don't understand with CIR is supposed to mean. Owen
On Tue, 1 Sep 1998, Scott, Dan wrote:
[snip]
line and port, but the important parameter is the committed information rate you purchase from the carrier. Most of Sprint's frame relay business may [snip] from 0-56kbps. Can purchase 56kbps CIR, but it costs extra, would need [snip]
CIR is guaranteed only under "normal" conditions. You won't get it under heavy congestion. Find out the MIR configured for your PVC. I don't know if they will tell you though...
scott