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810
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(31)S1
CSCei52380
Symptoms: The entry for a tunnel is missing from the mplsOutSegmentTopLabel column of the
MPLS-LSR-MIB.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS Release 12.4 when a
mibwalk is performed on the mplsOutSegmentTopLabel object.
Workaround: There is no workaround.
CSCei58551
Symptoms: A 1-port OC-192 Engine 4+ line card (OC192E/POS) or a Modular GbE Engine 4+ line
card (EPA-GE/FE-BBRD with EPA-3GE-SX/LH-LC) may crash when an SSO switchover occurs or
when the router reloads.
Conditions: This symptom is observed on a Cisco 12000 series that runs a c12kprp-p-mz image of
Cisco IOS Release 12.0(31)S and that has two RPs.
Workaround: There is no workaround.
CSCei61732
Cisco IOS may permit arbitrary code execution after exploitation of a heap-based buffer overflow
vulnerability. Cisco has included additional integrity checks in its software, as further described
below, that are intended to reduce the likelihood of arbitrary code execution.
Cisco has made free software available that includes the additional integrity checks for affected
customers.
This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20051102-timers.shtml.
CSCei64939
Symptoms: When a service policy is attached to an ATM PVP as an output policy that contains a
queue limit, the policy is rejected with the error message “No ATM VC associated with this service
policy.
Conditions: This symptom is observed only for ATM VP connections when a policy is attached as
an output policy with a queue limit.
Workaround: There is no workaround.
CSCei75742
Symptoms: MPLS may fail on a router when you reload a Gigabit Ethernet (GE) line card on which
Link Bundling is enabled.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(31)S or an interim release for Release 12.0(32)S.
Workaround: Re-enable MPLS by entering the mpls ip global configuration command.
CSCei75919
Symptoms: High CPU use may occur on line cards and may cause instability in control plane
protocols.
Conditions: This symptom is observed on a Cisco 12000 series that functions in a mVPN
decapsulation environment with core-facing Engine 4+ line cards and ISE line cards that are
configured with VRFs and for hardware forwarding.
Workaround: There is no workaround.
CSCei83644
Symptoms: A nondefault configuration becomes lost for a serial interface on a channelized OC-48
ISE line card or on a 4-port OC-12 ISE line card.
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