Cisco uBR924 Configuration Manual page 49

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 5 describes the fields shown in this display.
Table 5 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 6 describes the counters shown in this display.
Table 6 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 uBR924 to the CMTS.
Number of times the downstream input first-in first-out (FIFO) buffer became full on
the Cisco uBR924.
Number of times a bandwidth request generated by the Cisco uBR924 was not
responded to by the CMTS.
Number of times the Cisco uBR924's DMA controller had a downstream MAC
message and there were no free MAC message buffer descriptors to accept the
message.
Bridging and Routing Features for the Cisco uBR924 Cable Access Router 49
show interfaces cable-modem
Pkts Out Chars Out
159 90240
12597 1611142
86 4128