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Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(32)S8
• CSCsj28914
Symptoms: SPA may reset due to heartbeat failures on doing CSC switchover. Following messages
may be seen. SLOT 4:1d19h: %SPA_PLIM-3-HEARTBEAT: Subslot 3 has experienced an heartbeat
failure Current Sequence 31064 received Sequence 31057 Time since last keep 1000ms.
Conditions: SPAs in SIP-401/501/601 Doing CSC switchover.
Workaround: There is no workaround.
• CSCsj29012
Symptoms: On rommon upgrade of secondary RP after an IOS upgrade, the active RP may crash
Conditions: Dual RP set up. IOS upgrade done by reloading the secondary RP followed by
redundacy force switch over. When the router is up, perform rommon upgrade on secondary RP.
Workaround: There is no workaround.
• CSCsj30638
Symptoms: On doing OIR of CSC cards or during Cisco IOS upgrades, the CSC card may be
recognised as SFC or vice versa. In case of non-redundant fabric configuration, the linecards may
go into low bandwidth mode. This may result in configs being lost.
Conditions: Seen during Cisco IOS upgrades to 32SY or during OIR of CSC cards
Workaround: Reload the router to come out of the situation
• CSCsj34705
Symptoms: When upgrading from 120-28.S4c to 120-32.S6p some tcam carve configuration
commands are lost for an engine 3 card.
Conditions: Examples of some of the tcam recarve commands are:
hw-module slot 4 tcam carve RX_TOP_NF 3
hw-module slot 4 tcam carve RX_144b 35
hw-module slot 4 tcam carve RX_288b 45
hw-module slot 14 tcam carve RX_TOP_NF 3
hw-module slot 14 tcam carve RX_144b 35
hw-module slot 14 tcam carve RX_288b 45
These commands may fail to show up in the configuration after an upgrade.
Workaround: Reconfigure commands and microcode reload linecard.
• CSCsj35153
Symptoms: SLOT 3:Jun 19 17:17:17.632 EDT:
%DATACORRUPTION-*1*-DATAINCONSISTENCY: copy error -Traceback= 4003111C
40045CCC 4005F3A0 409CA48C 409CC660
Conditions: Just after upgrading one c12000 from 28S4c to 32S6p, while doing the upgrade all all,
the following tracebacks were observed in the log.
Workaround: This is a non-intrusive trace. There is no need for a workaround or operator
intervention.
• CSCsj36294
Symptoms:Router crash and crash dumped to bootflash
Conditions: While loading grp image labelled for 06/16 for 32s image.
Workaround: There is no workaround.
• CSCsj38190
Symptoms: After RPR+ switchover, native multicast traffic may get dropped on Engine 5 linecards
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