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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(31)S3
CSCsb46607
Symptoms: A standby route processor (RP) may crash in the “CEF LC IPC Background” process.
Conditions: This symptom is observed on a Cisco platform when an SSO switchover occurs.
Workaround: There is no workaround.
CSCsb58311
Symptoms: An IMA port adapter may fail to receive data on a VC that is configured for cell packing
with AAL0 encapsulation. The “ignored” counter in the output of the show interface command
increments and the “rx_cell_throttle” count in the output of the show controllers command also
increments.
Conditions: This symptom is observed when the Maximum Number of Cells Packed (MNCP)
parameter is changed for a large number (around 100) of VCs.
Workaround: There is no workaround.
CSCsb83876
Symptoms: The counters on a PA-MC-E3 port adapter may provide incorrect information. For some
interfaces of the port adapter, the counters are always zero, and for others interfaces, the counters
do increase but very slowly.
Conditions: This symptom is observed when you enter the show interfaces type slot command for
a PA-MC-E3 port adapter.
Note that the symptom does not occur when you enter the show interface type number stats
command or the show interfaces type slot accounting command. Also, when you enter the show
interfaces type slot command for the VIP in which the PA-MC-E3 port adapter is installed, the
counters provide correct information.
Workaround: Enter the show interface type number stats command to retrieve the correct
information.
CSCsb85338
Symptoms: When you perform an OIR of an alarm module or fan module, the inventory serial
number (SN) may become lost after the new module is inserted, and the output of the show
inventory command may not show the SN.
This situation prevents you from keeping track of the inventory and affects the operation of the
Component Outage On-Line (COOL) feature.
Conditions: This symptom is observed on a Cisco 12000 series.
Workaround: There is no workaround.
CSCsb98254
Symptoms: A router may fail when you reload a Gigabit Ethernet (GE) line card or port adapter that
has link-bundling enabled.
Conditions: The problem may occur with dot1Q on the GE interface and MPLS enabled on some
uplink. This symptom is observed on a Cisco 12000 series that runs a Cisco IOS interim release for
Release 12.0(32)S and that is configured for MPLS. However, the symptom is platform-independent
and may also occur in other releases.
Workaround: There is no workaround.
CSCsc09436
Symptoms: An Engine 5 line card crashes when the Fabric MIB is polled.
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