[QFX]BRCM_NH-,brcm_nh_l3_hw_install(),968:bcm l3 egress create object failed for nh 2869 (-15:Invalid configuration)
This article explains the following syslog message on QFX5100-VCF:
BRCM_NH-,brcm_nh_l3_hw_install(),968:bcm l3 egress create object failed for nh 2869 (-15:Invalid configuration)
Whenever these messages generated on a VCF setup, we may observe incremental Drops and we could find from the "show interface extensive" output
user> show log messages | match "BRCM_NH"
fpc0 BRCM_NH-,brcm_nh_l3_hw_install(),968:bcm l3 egress create object failed for nh 2869 (-15:Invalid configuration) pfe:0, port:0, vlan:0, l3-intf:0 flags: 0 unit 0
fpc4 BRCM_NH-,brcm_nh_l3_hw_install(),968:bcm l3 egress create object failed for nh 2869 (-15:Invalid configuration) pfe:0, port:0, vlan:0, l3-intf:0 flags: 0 unit 0
fpc5 BRCM_NH-,brcm_nh_l3_hw_install(),968:bcm l3 egress create object failed for nh 2869 (-15:Invalid configuration) pfe:0, port:0, vlan:0, l3-intf:0 flags: 0 unit 0
fpc4 BRCM_NH-,brcm_nh_l3_ucast_action(),1392:(reason: 4294967281) hw nh 2869 handling failed
fpc5 BRCM_NH-,brcm_nh_l3_ucast_action(),1392:(reason: 4294967281) hw nh 2869 handling failed
fpc5 BRCM_NH-,brcm_nh_ucast_install(),1331:Reason (null): Err Code: -15)
fpc4 BRCM_NH-,brcm_nh_ucast_install(),1331:Reason (null): Err Code: -15)
Input errors:
Errors: 0, Drops: 0, Framing errors: 0, Runts: 0, Giants: 0, Bucket drops: 0, Policed discards: 0, Resource errors: 0
Output errors:
Carrier transitions: 2, Errors: 0, Drops: 3474396, MTU errors: 0, Resource errors: 0, Bucket drops: 0
Egress queues: 12 supported, 5 in use
As per the above log messages, it indicates that the VCF setup has invalid configuration.
In order to fix the issue we need perform "commit synchronize" which helps us to resolve the invalid configuration issue. Post which we didn't observe any drops and the services were restored.
user# commit synchronize
In case the issue is still observed, then contact JTAC Support for further investigation.