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Cisco uBR900 Series Configuring page 115

Cable access routers
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To display the number of packets and bytes of each protocol type passing through the cable access
router interface, use the accounting option with the show interface cable-modem command:
uBR924# show interface cable-modem 0 accounting
cable-modem0
Protocol
Trans. Bridge
Table 17 describes the fields shown in this display.
Table 17
show interfaces cable-modem Accounting Descriptions
Field
Description
Protocol
List of protocols operating on the cable-modem interface.
Pkts In
Number of packets of each protocol received on the interface.
Chars In
Number of bytes of each protocol received on the interface.
Pkts Out
Number of packets of each protocol transmitted on the interface.
Chars Out
Number of bytes of cach protocol transmitted on the interface.
MIB counters on the cable interface are displayed in the next example:
uBR924# show int cable-modem 0 counters
Cable specific counters:
Ranging requests sent
Downstream FIFO full
Re-requests
DS MAC Message Overruns: 0
DS Data Overruns
Received MAPs
Received Syncs
Message CRC failures
Header CRC failures
Data PDUs
DS MAC messages
Valid Headers
Sync losses
Pulse losses
BW request failures
Table 18 describes the counters shown in this display.
Table 18
show interfaces cable-modem Counters Descriptions
Field
Ranging requests sent
Downstream FIFO full
Re-requests
DS MAC Message Overruns
Pkts In
Chars In
IP
545
185502
3878
964995
ARP
73
3066
: 50982
: 0
: 7277
: 0
: 254339485
: 53059555
: 0
: 1394
: 5853
: 307861745
: 307869065
: 0
: 1
: 6
Description
Number of ranging requests sent by the Cisco uBR900 series to the CMTS.
Number of times the downstream input first-in first-out (FIFO) buffer became full on
the Cisco uBR900 series.
Number of times a bandwidth request generated by the Cisco uBR900 series was not
responded to by the CMTS.
Number of times the Cisco uBR900 series's DMA controller had a downstream MAC
message and there were no free MAC message buffer descriptors to accept the
message.
Configuring the Cisco uBR900 Series Cable Access Routers 115
show interfaces cable-modem
Pkts Out
Chars Out
159
90240
12597
1611142
86
4128

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