Specifications

Uncorrectable Error packets received through upstream
interface that could not be corrected
Noise and Upstream packets corrupted by line
noise
Microreflections Upstream packets corrupted by
microreflections
Total Modems On This
Upstream Channel
Number of cable modems currently
sharing this upstream channel. This field
also shows how many of these modems
are active.
Rng Polls The MAC scheduler queue showing
number of ranging polls.
Cont Mslots
The MAC scheduler queue showing
number of forced contention request slots
in MAPS
CIR Grants The MAC scheduler queue showing
number of CIR grants pending
BE Grants The MAC scheduler queue showing
number of best effort grants pending
Grant Shpr
The MAC scheduler queue showing
number of grants buffered for traffic
shaping
Reserved slot table
At time command issued MAO scheduler
had admitted 2 CBR slots in the reserved
slot table.
Req IEs Running counter of request lEs sent in
MAPS
Req/Data lEs
Counter of request/data lEs sent in MAPS
Init Mtn IEs
Counter of Initial Maintenance lEs
Stn Mtn IES Number of station maintenance (ranging
poll) lEs
Long Grant lEs
Number of long grant lEs
ShortGrmg lEs
Number of short grantlEs
Avg upstream channel
utilization Average percent of the upstream channel
bandwidth being used
Avg percent contention slots
Average percent of slots available for
modems to request bandwidth via
contention mechanisms. Also indicates
the amount of unused capacity in the
network.
Avg percent initial ranging
slots Average percent of slots in initial ranging
state
Cisco − Determining RF or Configuration Issues On the CMTS