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Chapter 3
Cisco CMTS Show Commands
Per the DOCSIS 1.1 specification, the show interface cable service-flow command uses bytes allocated
Note
for a UGS service flow when calculating the throughput values for the service flow (see the Assumed
Minimum Reserved Rate Packet Size parameter, TLV 11 in the upstream and downstream service flow
configurations). Depending on the value of this parameter and the packet sizes of the actual traffic, this
could result in throughput values that appear to be greater than the maximum sustained rate. You can use
the stats option with the
Sample Downstream Flow
Router# show interface c4/0 service-flow 12 qos verbose
Sfid
Current State
Sid
Traffic Priority
Maximum Sustained rate
Maximum Burst
Mimimum Reserved rate
Minimum Packet Size
Maximum Latency
Current Throughput
Sample Upstream Flow
Router# show interface c4/0 service-flow 11 qos verbose
Sfid
Current State
Sid
Traffic Priority
Maximum Sustained rate
Maximum Burst
Mimimum Reserved rate
Minimum Packet Size
Maximum Concatenated Burst
Scheduling Type
Unsolicited Grant Size
Nominal Grant Interval
Grants per interval
Tolerated Grant Jitter
Nominal Polling Interval
Tolerated Polling Jitter
Request/Transmission policy
IP ToS Overwrite[AND-mask, OR-mask]
Current Throughput
When PacketCable services are enabled to allow PacketCable-based Voice over IP (VoIP) traffic, the
Tip
Nominal Grant Interval reflects the packetization interval that is configured on the VoIP call agent.
Router# show interface c4/0 service-flow counters
Sfid
12
11
14
13
16
15
18
17
OL-1581-08
show interface cable
Packets
Bytes
0
0
8
128
0
0
2
128
0
0
2
128
5
128
2
128
command to display the actual byte counts.
: 12
: Active
: N/A
: 0
: 1000000 bits/sec
: 0 bytes
: 0 bits/sec
: 0 bytes
: 0 usecs
: 0 bits/sec, 0 packets/sec
: 11
: Active
: 5
: 0
: 64000 bits/sec
: 0 bytes
: 0 bits/sec
: 0 bytes
: 1522
: Best Effort
: 0 bytes
: 20000 usecs
: 0
: 0 usecs
: 0 usecs
: 0 usecs
: 0x0
: 0x0, 0x0
: 0 bits/sec, 0 packets/sec
PacketDrops Bits/Sec
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Cisco Broadband Cable Command Reference Guide
show interface cable service-flow
Packets/Sec
0
0
0
0
0
0
0
0
3-231
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