Juniper EX2200 Hardware Manual page 299

Table 48: show interfaces ge- Output Fields (continued)
Field Name Field Description
Output errors on the interface. The following paragraphs explain the counters
Output errors
whose meaning might not be obvious:
Carrier transitions
This number does not normally increment quickly, increasing only when the
cable is unplugged, the far-end system is powered down and then up, or
another problem occurs. If the number of carrier transitions increments quickly
(perhaps once every 10 seconds), the cable, the far-end system, or the PIC
or PIM is malfunctioning.
Errors
Drops
ASIC. If the interface is saturated, this number increments once for every
packet that is dropped by the ASIC's RED mechanism.
Collisions
only full-duplex operation, so for Gigabit Ethernet PICs, this number should
always remain 0. If it is nonzero, there is a software bug.
Aged packets
so long that the system automatically purged them. The value in this field
should never increment. If it does, it is most likely a software bug or possibly
malfunctioning hardware.
FIFO errors
ASIC on the PIC. If this value is ever nonzero, the PIC is probably
malfunctioning.
HS link CRC errors
ASICs responsible for handling the switch interfaces.
MTU errors
Resource errors
Total number of egress queues supported on the specified interface.
Egress queues
CoS queue number and its associated user-configured forwarding class name.
Queue counters
(Egress )
Queued packets
Transmitted packets
Dropped packets
Ethernet-specific defects that can prevent the interface from passing packets.
Active alarms and
When a defect persists for a certain time, it is promoted to an alarm. Based on
Active defects
the switch configuration, a defect can activate the red or yellow alarm bell on
the switch or turn on the red or yellow alarm LED on the front of the switch.
These fields can contain the value
None
—Interface has lost its link state, which usually means that the cable is
Link
unplugged, the far-end system has been turned off, or the PIC is
malfunctioning.
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—Number of times the interface has gone from
—Sum of the outgoing frame aborts and FCS errors.
—Number of packets dropped by the output queue of the I/O Manager
—Number of Ethernet collisions. The Gigabit Ethernet PIC supports
—Number of packets that remained in shared packet SDRAM
—Number of FIFO errors in the send direction as reported by the
—Number of errors on the high-speed links between the
—Number of packets whose size exceeded the MTU of the interface.
—Sum of transmit drops.
—Number of queued packets.
—Number of transmitted packets.
—Number of packets dropped by the ASIC's RED mechanism.
None
—There are no active defects or alarms.
down
or Link .
Chapter 5: Operational Commands
Level of Output
extensive
to .
up
detail extensive
detail extensive
none
detail extensive
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