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