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


Userlevel 3
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[/code]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[/code]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:
code:
15668/16748/17266
code:
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:
code:
15069
code:
Addressed a reset issue with the message "MRT: assertion (0) failed at line 1706 file prefix.c"


See also: 14853.

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