ZyXEL Communications GS-1548 User Manual

 Chapter 7 System and Port Statistics

GS-1524/GS-1548 User’s Guide

Discards

This field shows the number discarded (dropped) packets.

Errors

This field shows the number of packets for which transmission failed because of 

excessive collision.

QLength

This field shows the number of packets currently buffered.

RX 
The following fields display detailed information about packets received.

Octets

This field shows the number of octets received.

UnicastPkts

This field shows the number unicast packets received.

NonUnicastPkts

This field shows the number of non-unicast packets received.

Discards

This field shows the number discarded (dropped) packets.

Errors

This field shows the number of undersize, oversize, fragmented or FCS error 

packets received.

UnknownProtos

This field shows the number of packets received with unknown protocols.

Summary
The following fields display a summary of types of errors and size of packets transmitted/received.

Drop Events

This is a count of dropped packets due to GBP or backpressure (buffer 

overflow).

MulticastPkts

This is a count of transmitted/received multicast packets.

BroadcastPkts

This is a count of transmitted/received broadcast packets.

UndersizePkts

This is a count of transmitted/received packets with length less than the 

minimum packet size.

OversizePkts

This is a count of transmitted/received packets with length more than the 

maximum packet size.

Fragments

This is a count of transmitted/received packets that were too short (shorter than 

64 octets) with invalid FCS or alignment errors. 

Jabbers

This is a count of transmitted/received packets that which exceeded maximum 

size to receive frame length.

Collision

This is a count of transmitted collision packets. 

CRCAlignErr

This is a count of transmitted/received packets that were too short (shorter than 

64 octets) with invalid FCS or alignment errors. 

TotalOctets

This is a count of all transmitted/received packets that which exceeded 

maximum size to receive frame length.

TotalPkts

This is a count of transmitted/received packets (including bad packets, all 

unicast, broadcast, multicast and MAC control packets). 

64 BytePkts

This field shows the number of packets (including bad packets) received that 

were 64 octets in length.

65-127 BytePkts This field shows the number of packets (including bad packets) received that 

were between 65 and 127 octets in length.

128-255 

BytePkts

This field shows the number of packets (including bad packets) received that 

were between 128 and 255 octets in length.

256-511 

BytePkts

This field shows the number of packets (including bad packets) received that 

were between 256 and 511 octets in length.

Table 11   Status: Port Details  (continued)