78 Chapter 2 System Diagnostics and Statistics
Port Statistics Table fields
Field Description
Packets The number of packets received/transmitted
on this port, including bad packets, broadcast
packets, and multicast packets.
Multicast The number of good multicast packets
received/transmitted on this port, excluding
broadcast packets.
Broadcasts The number of good broadcast packets
received/transmitted on this port.
Total Octets The number of octets of data
received/transmitted on this port, including data
in bad packets and FCS octets, and framing
bits.
Pause Frames The number of pause frames
received/transmitted on this port.
FCS-Frame Errors The number of valid-size packets received on
this port with proper framing but discarded
because of FCS or frame errors.
Undersized Packets The number of packets received on this port
with fewer than 64 bytes and with proper CRC
and framing (also known as short frames or
runts).
Oversized Packets The number of packets that were received on
this port with proper CRC and framing that meet
the following requirements:
1518 bytes if no VLAN tag exists
1522 bytes if a VLAN tag exists
Filtered Packets The number of packets that were received on
this port and discarded because of the specific
configuration.This counter does not count the
FCS/Frames error packets; they are counted
in that counter. This counter counts packets
discarded because STP is not set to forwarding,
the frame setting in VLAN directs discarding, or
a mismatch in ingress/egress port speeds.
Collisions The number of collisions detected on this port.
Single Collisions The number of packets that were transmitted
successfully on this port after a single collision.
Nortel Ethernet Routing Switch 5500 Series
Configuration - System Monitor ing
NN47200-505 03.01 Standard
5.1 27 August 2007
Copyright © 2005 - 2007, Nortel Networks
.
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