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Cisco IOS Voice, Video, and Fax Commands: R Through Sh
show interface dspfarm
VR-740
Cisco IOS Voice, Video, Fax Command Reference
Giants Number of packets that are discarded because they exceed the
maximum packet size for the medium. For instance, any
Ethernet packet that is greater than 1518 bytes is considered a
giant.
Throttles Number of times the receiver on the port was disabled, possibly
because of buffer or processor overload.
Input errors Number of packet input errors.
CRC Cyclic redundancy checksum generated by the originating LAN
station or far end device does not match the checksum
calculated from the data received. On a LAN, this usually
indicates noise or transmission problems on the LAN interface
or the LAN bus itself. A high number of CRCs is usually the
result of collisions or a station sending bad data. On a serial
link, CRCs usually indicate noise, gain hits, or other
transmission problems on the data link.
Frame Number of packets received incorrectly having a CRC error and
a noninteger number of octets. On a serial line, this is usually
the result of noise or other transmission problems.
Overrun Number of times the serial receiver hardware was unable to
hand received data to a hardware buffer because the input rate
exceeded the ability of the receiver to handle the data.
Ignore Number of received packets ignored by the interface because
the interface hardware ran low on internal buffers. These
buffers are different from the system buffers mentioned
previously in the buffer description. Broadcast storms and
bursts of noise can cause the ignored count to be incremented.
Abort Illegal sequence of one bits on the interface.
Packets output Total number of messages sent by the system.
Bytes Total number of bytes, including data and MAC encapsulation,
sent by the system.
Underruns Number of times that the far end transmitter has been running
faster than the near-end router’s receiver can handle.
Output errors Sum of all errors that prevented the final transmission of
datagrams out of the interface being examined. Note that this
value might not balance with the sum of the enumerated output
errors; some datagrams can have more than one error, and
others can have errors that do not fall into any of the specifically
tabulated categories.
Collisions Number of messages re-sent because of an Ethernet collision.
Collisions are usually the result of an overextended LAN
(Ethernet or transceiver cable too long, more than two repeaters
between stations, or too many cascaded multiport transceivers).
A packet that collides is counted only once in output packets.
Table 45 show interface dspfarm Field Descriptions (continued)
Field Description