B-4 APPENDIX B: REMOTE MONITORING (RMON) TECHNOLOGY

Statistics and The Statistics group records frame statistics for Ethernet and FDDI interfaces. axFDDI Groups The information available per interface segment includes:

Number of received octets

Number of received packets

Number of received broadcast packets

Number of received multicast packets

Number of received packets with CRC or alignment errors

Number of received undersized but otherwise well-formed packets

Number of received oversized but otherwise well-formed packets

Number of received undersized packets with either a CRC or an alignment error

Number of detected transmit collisions

Byte sizes include the 4 byte FCS, but exclude the framing bits. The number of the packet length counters is shown in Table B-3:

Table B-3 Supported Ethernet and FDDI Frame Size Buckets

Ethernet

FDDI

 

 

64 byte frames

22 or fewer

65 to 127

23 to 63

 

64 to 127

128 to 511

128 to 511

512 to 1023

512 to 1023

1024 to 1518

1024 to 2047

 

2048 to 4095

 

 

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3Com 10002211 manual Table B-3 Supported Ethernet and Fddi Frame Size Buckets