Table 155: Aggregated Ethernet show interfaces Output Fields (continued)
Level of OutputField DescriptionField Name
detail extensiveNumber of IPv6 transit bytes and packets received and transmitted on the
physical interface if IPv6 statistics tracking is enabled.
• Input bytes—Number of bytes received on the interface.
• Output bytes—Number of bytes transmitted on the interface.
• Input packets—Number of packets received on the interface.
• Output packets—Number of packets transmitted on the interface.
IPv6 transit
statistics
detail extensiveCoS queue number and its associated user-configured forwarding class name.
• Queued packets—Number of queued packets.
• Transmitted packets—Number of transmitted packets.
• Dropped packets—Number of packets dropped by the ASIC's RED mechanism.
NOTE: In DPCs that are not of the enhanced type, such as DPC 40x 1GE R,
DPCE 20x 1GE + 2x 10GE R, or DPCE 40x 1GE R, you might notice a discrepancy
in the output of the show interfaces command because incoming packets
might be counted in the Egress queues section of the output. This problem
occurs on non-enhanced DPCs because the egress queue statistics are polled
from IMQ (Inbound Message Queuing) block of the I-chip. The IMQ block
does not differentiate between ingress and egress WAN traffic; as a result,
the combined statistics are displayed in the egress queue counters on the
Routing Engine. In a simple VPLS scenario, if there is no MAC entry in DMAC
table (by sending unidirectional traffic), traffic is flooded and the input traffic
is accounted in IMQ. For bidirectional traffic (MAC entry in DMAC table), if
the outgoing interface is on the same I-chip then both ingress and egress
statistics are counted in a combined way. If the outgoing interface is on a
different I-chip or FPC, then only egress statistics are accounted in IMQ. This
behavior is expected with non-enhanced DPCs
Queue counters
Logical Interface
All levelsName of the logical interface.Logical interface
detail extensive noneIndex number of the logical interface (which reflects its initialization sequence).Index
detail extensive noneSNMP interface index number of the logical interface.SNMP ifIndex
detail extensiveUnique number for use by Juniper Networks technical support only.Generation
All levelsInformation about the logical interface. Possible values are described in the
“Logical Interface Flags Field” section under Common Output Fields Description.
Flags
All levelsTag Protocol Identifier (TPID) and VLAN identifier.VLAN-Tag
detail extensive noneIP demultiplexing (demux) value that appears if this interface is used as the
demux underlying interface. The output is one of the following:
• Source Family Inet
• Destination Family Inet
Demux
All levelsEncapsulation on the logical interface.Encapsulation
2669Copyright © 2017, Juniper Networks, Inc.
Chapter 42: Operational Commands
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