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[Junos] 'PFE_ANALYZER_SHIM_CFG_FAILED' error message for analyzer configuration

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Article ID: KB35752 KB Last Updated: 30 Apr 2020Version: 1.0
Summary:

The 'PFE_ANALYZER_SHIM_CFG_FAILED' error message for analyzer configuration may be seen when multiple IFLs of the same IFD are added in analyzer configuration.

Symptoms:

When using port mirror with analyzer config on whitebox as7816-64x, if multiple IFLs of the same IFD are used, the following log messages may be seen:

Sample config:

set forwarding-options analyzer VXLAN input ingress interface ae301.41
set forwarding-options analyzer VXLAN input ingress interface ae301.42
set forwarding-options analyzer VXLAN input ingress interface ae301.43
set forwarding-options analyzer VXLAN output interface et-0/0/29.0

Error logs:

Mar 6 23:04:27 sfcca1920el1 : %PFE-3: fpc0 PFE_ANALYZER_SHIM_CFG_FAILED: Error configuring analyzer
Mar 6 23:04:27 sfcca1920el1 : %PFE-3: fpc0 sampler_analyzer_update_ifl_list:analyzer_ifl_feature modify failed for ifl 23
Solution:

This is because the port mirror config is on multiple IFLs of the sale IFD, but port mirror is programmed on IFD base. Therefore, the error messages are generated when the same interface is added to analyzer multiple times. This is a day 1 issue. The code is in core infrastructure which cannot be changed. The error messages are cosmetic and does not influence the port mirror programming.




 
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