Default QOS behaviour Nexus 7000
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01-21-2018 11:54 PM - edited 03-05-2019 09:48 AM
We are monitoring ingress & egress traffic on a Layer 3 subinterface on Port Channel port in Nexus 7000. The mirror capture is based on filtering with any ip traffic on that port with "dscp=ef"
In the present node config, I dont see any config command where any keyword like qos, cos, tos etc are used. sh table-map shows below :
show table-map
Table-map cir-markdown-map
default copy
from 10,12 to 12
from 18,20 to 20
from 26,28 to 28
from 34,36 to 36
Table-map pir-markdown-map
default copy
from 10,12 to 14
from 18,20 to 22
from 26,28 to 30
from 34,36 to 38
Table-map cos-dscp-map
default copy
The problem is I dont see any mirrored traffic which is actually egress. I see all ingress frame on that port in mirror traffic output.
Any reasons....
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Other Routing

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01-22-2018 12:26 AM
Hello,
what are you using for the mirroring, SPAN ? If so, according to the documentation below, Layer 3 subinterfaces are not supported.
