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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)S
Conditions: This symptom is observed on a Cisco 7500 and 7200 series when one of the T1 or E1
member interfaces of an IMA group that is configured on a PA-A3-8T1IMA or PA-A3-8E1IMA port
adapter is disconnected or when you enter the shutdown command on one of these T1 or E1 member
interfaces. The symptom is not platform-specific and may also occur in other releases.
Workaround: There is no workaround.
• CSCsa61523
Symptoms: The following error message is generated on a Cisco 7200 series that has Multilink PPP
(MLP) configured on serial interfaces of a PA-MC-STM-1 port adapter:
%SYS-2-BADSHARE: Bad refcount in datagram_done, ptr=3, count=0
Conditions: This symptom is observed on a Cisco 7200 series that runs Cisco IOS
Release 12.3(11)T3 only when MLP is configured on the serial interfaces. The symptom may also
occur in other releases.
Workaround: Unconfigure MLP on the serial interfaces.
• CSCsa65360
Symptoms: During a high bit error rate (BER) condition, the controller of a PA-MC-8TE1+ port
adapter remains up, which is not in compliance with the E1 and T1 standard.
Conditions: This symptom is observed when BER data is injected into an E1 or T1 port of a
PA-MC-8T1E1+ port adapter. The state of the controller does not change to DOWN after 10 seconds
of a continuous severely errored seconds (SES) condition.
Workaround: There is no workaround.
• CSCsa65819
Symptoms: The Label Information Base (LIB) may not be disabled.
Conditions: This symptom is observed on a Cisco router that is configured for MPLS VPN when an
IPv4 BGP neighbor that is configured to exchange MPLS labels goes down.
Workaround: There is no workaround.
• CSCsa68616
Symptoms: An IPC failure occurs and an OC-12 line card that is configured for Frame Relay over
MPLS resets.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(27)S1.
Workaround: There is no workaround.
Further Problem Description: The IPC failure and the line card reset occur after a depletion of the
elements in the FrFab 608 byte queue for the line card. Consecutive outputs of the show controllers
slot-number frfab queue command show a consistent and rapid leak of these buffers.
• CSCsa74044
Symptoms: An RP crashes during large interface configuration changes when interfaces and QoS
policies are added or deleted.
Conditions: This symptom is observed on a Cisco 12000 series when the configuration changes
involve ATM and serial interfaces.
Workaround: There is no workaround.
• CSCsa75285
Symptoms: A Cisco switch or router may crash when you install a 1-port multichannel STM-1,
single mode port adapter (PA-MC-STM-1SMI) in a FlexWAN or VIP.
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