Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - PHYSICAL LAYER CONFIGURATION GUIDE 2010-09-24 Configuration Manual page 225

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Errors—Total number of errors in all transmitted packets; note that some packets
might contain more than one error
Discards—Total number of discarded outgoing packets
Mac Errors—Number of outgoing packets discarded because of MAC sublayer
failures
Deferred—Number of packets that the router delayed sending because the line
was busy. In half duplex mode, a high number of deferrals means the link is very
busy with traffic from other stations. In full duplex mode, when the link is always
available for transmission, this number is zero.
No Carrier—Number of packets sent when carrier sense was unavailable
Collisions—Analysis of the collisions that occurred
Single—Number of packets sent after one collision
Multiple—Number of packets sent after multiple collisions
Late—Number of packets aborted during sending because of collisions after 64
bytes
Excessive—Number of packets not sent because of too many collisions
Policed Statistics—Number of packets that exceeded the number allowed and were
policed (or dropped)
ARP Statistics—Analysis of ARP traffic on this interface; In fields are for traffic received
on the interface and Out fields are for traffic sent on the interface
ARP requests—Number of ARP requests
ARP responses—Number of ARP responses
Errors—Total number of errors in all ARP packets
Discards—Total number of discarded ARP packets
Administrative qos-shaping-mode—QoS shaping mode:
disabled—Shaping mode is configured but not operational
frame—Statistics are reported about bytes in frames, such as transmitted bytes
and dropped bytes.
cell—Shaping mode for shaping and policing rates is cell-based; resulting traffic
stream conforms exactly to the policing rates configured in downstream devices.
Reports statistics in bytes in cells and accounts for cell encapsulation and padding
overhead.
none—Shaping mode is not configured
Operational qos-shaping-mode—Actual shaping mode for the interface:
Chapter 5: Configuring Ethernet Interfaces
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