ZyXEL Communications ZyXEL Dimension ES-2024 - Manual (Page 51)

Dimension ES-2024 Ethernet Switch
System Status and Port Details 5-5
Table 5-2 Status: Port Details
LABEL DESCRIPTION
>1518 Byte This field shows the number of frames (including bad frames) transmitted that were greater than
1518 octets in length.
Multicast This field shows the number of good multicast frames received.
Broadcast This field shows the number of good broadcast frames received.
TX Collision
The following fields display information on collisions while transmitting.
Single This is a count of successfully transmitted frames for which transmission is inhibited by exactly
one collision.
Multiple This is a count of successfully transmitted frames for which transmission was inhibited by more
than one collision.
Excessive This is a count of frames for which transmission failed due to excessive collisions. Excessive
collision is defined as the number of maximum collisions before the retransmission count is
reset.
Late This is the number of times a late collision is detected, that is, after 512 bits of the frame have
already been transmitted.
RX Error The following fields display detailed information about frames received that were in error.
FCS This field shows the number of frames received of the proper size but with CRC error(s) and a
non-integral number of octets.
Oversize This field shows the number of frames received that were bigger than the maximum frame size.
Align This field shows the number of frames received of proper size but with CRC error(s) and a non-
integral number of octets.
Jabber This field shows the number of frames received that were greater than the maximum octets
(specified for the system by the configuration software) long and with either CRC or alignment
error(s).
Fragment This field shows the number of packets received that were less than 64 octets long, and with
either CRC (Cyclic Redundant Check) or alignment error(s).
UnderSize This field shows the number of frames received that were less than 64 octets long and without
CRC error(s) or alignment error(s).
Dropped Packet The following fields provide information about frames that were dropped.
All This field shows the total number of frames that the switch dropped.
FwdLkup This field shows the number of unicast packets that the switch dropped after forwarding table
lookup.
InOverrun This field shows the number of packets that the switch dropped because of an input FIFO
overrun.