I/G/C5/C3/C2/B5/B3-Series with "MRT: assertion (0) failed..." messages scrolling in Serial Console

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Article ID: 13806 

Products
I-Series, firmware 6.42.03.0004 through 6.61.06.0009
G-Series, firmware 6.42.03.0004 through 6.61.06.0009
C5-Series, firmware 6.42.03.0004 through 6.61.06.0009
C3-Series, firmware 6.42.03.0004 through 6.61.06.0009
C2-Series, firmware 5.02.08.0006 through 5.02.16.0008
B5-Series, firmware 6.42.03.0004 through 6.61.06.0009
B3-Series, firmware 6.42.03.0004 through 6.61.06.0009 

Symptoms
A stream of 'MRT: assertion (0) failed...' errors scroll in a serial console session (5463). 

An example with C2 f/w 5.02.08.0006 or 5.02.09.0003:
MRT: assertion (0) failed at line 1706 file prefix.c
An example with C3 f/w 6.42.03.0004:
MRT: assertion (0) failed at line 1893 file
../../../../src/application/ip_mcast/vendor/igmp2/prefix.c
As these messages are related to multicast functionality, it may be observed that multicast no longer functions. 

Solution
For the I/G/C5/C3/B5/B3, upgrade to firmware 6.61.07.0010 or higher. 
Release notes state, in the 'Changes and Enhancements in 6.61.07.0010' section:
15668/16748/17266    Addressed an issue with IGMP snooping which resulted in loss of management with error "MRT: assertion (0) failed at line 1893 file ../../../../src/application/ip_mcast/vendor/igmp2/prefix.c error at an aprox rate of 10 entries/s" or "edb_bxs.c(1226) 110 %% Last switch reset caused by prefix.c(1941): Error code 0x00000000, after xx second".

For the C2, upgrade to firmware 5.02.17.0006 or higher. 
Release notes state, in the 'Changes and Enhancements in 5.02.17.0006' section:
15069   Addressed a reset issue with the message "MRT: assertion (0) failed at line 1706 file prefix.c"

See also: 14853.
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Posted 5 years ago

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