A fix is available
APAR status
Closed as program error.
Error description
Etherchannel NIB with lossless failover enabled could experience unexpected failover or failback before link gets stable due to network delays. This occurs when the ICMP response doesn't come through the new active channel after a failover/failback within the specified period resulting in unnecessary failover or failback.
Local fix
Disable lossless failover in Etherchannel NIB
Problem summary
Etherchannel NIB with lossless failover enabled could result in unexpected failover or failback before link gets stable due to network delays when ICMP responses doesn't come within the specified period
Problem conclusion
Ensure that Etherchannel counters stays in sync when there are network delays preventing unnecessary failover or failback
Temporary fix
Comments
5300-10 - use AIX APAR IZ91225 5300-11 - use AIX APAR IZ91148 5300-12 - use AIX APAR IZ90685 6100-03 - use AIX APAR IZ80199 6100-04 - use AIX APAR IZ93593 6100-05 - use AIX APAR IZ93409 6100-06 - use AIX APAR IZ84345 7100-00 - use AIX APAR IZ95892
APAR Information
APAR number
IZ80199
Reported component name
AIX 610 STD EDI
Reported component ID
5765G6200
Reported release
610
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2010-07-15
Closed date
2010-09-02
Last modified date
2013-04-16
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
IZ84345 IZ90685 IZ91148 IZ91225 IZ92996 IZ93409 IZ93593 IZ95892
IZ99200
Fix information
Fixed component name
AIX 610 STD EDI
Fixed component ID
5765G6200
Applicable component levels
R610 PSY U840495
UP11/03/22 I 1000
PTF to Fileset Mapping
U840495 devices.common.IBM.ethernet.rte 6.1.3.6
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Document Information
Modified date:
16 April 2013