
Chapter 5: Local Management
Multicast Pkts (Read-only)
The Multicast Pkts field displays the total number of good frames received that were directed to a multicast address. The value of this field does not include frames directed to the broadcast address.
CRC Align Errors
This field displays the number of frames with bad Cyclic Redundancy Checks (CRC) received from the network. The CRC is a
Undersized Pkts
This field displays the number of frames received whose size was less than the minimum Ethernet frame size of 64 bytes, not including preamble, but have a valid CRC.
Oversized Pkts
This field displays the number of frames received whose size exceeded 1518 data bytes, not including preamble, but have a valid CRC.
Fragments
This field displays the number of received frames that are not the minimum number of bytes in length or received frames that had a bad CRC, and were less than 64 bytes in length (excluding framing bits, but including CRC bytes).
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It is normal for the Fragments field to increment. This is because the RMON agent increments the field when runts (undersized frames) are detected (which are normal occurrences due to collisions) and when noise hits occur.
Jabbers
This field displays the total number of frames that were greater than 1518 bytes and had a bad CRC.
Total Packets
This field displays the total number of frames (including bad frames, broadcast frames, and multicast frames) received on this interface.
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