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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: These symptoms are observed on a Cisco 10720 that runs Cisco IOS
Release 12.0(27)S1.
Workaround: There is no workaround.
CSCeg07617
Symptoms: The following error message and spurious memory access may be generated on a
Cisco 7500 series or Cisco 7600 series that is configured for dMLFR.
%ALIGN-3-SPURIOUS: Spurious memory access made at 0x418FC0E0 reading 0x8
%ALIGN-3-TRACE: -Traceback= 418FC0E0 4026B644 40699284 40699A3C 40699368 40E80B84
40E7215C 4068A8AC
Conditions: This symptom is observed immediately after an MFR interface is created, after a
switchover has occurred, or when a link flaps continuously.
Workaround: There is no workaround.
CSCeg12134
Symptoms: When you send multicast traffic over an IPSec tunnel, a memory leak may occur on a
router.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS Release 12.3T when
both IP CEF and hardware encryption are configured. The symptom may also occur in other
releases.
Workaround: Switch to software encryption for a while and then switch back to hardware
encryption.
Alternate Workaround: Disable IP CEF.
CSCeg21548
Symptoms: A router crashes when you enter the show bfd neighbors command.
Conditions: This symptom is observed on a Cisco platform while BFD sessions flap.
Workaround: There is no workaround.
CSCeg24422
Symptoms: Packet drops occur in the ingress direction on a dMLP or dMLFR link with traffic at
95-percent of the line rate and when the number of packets with a small size is high.
Conditions: This symptom is observed on a Cisco 7500 series that functions as a provider edge (PE)
router, that is configured for L2TPv3 L3VPN, and that has dMLP or dMLFR links to a customer
edge (CE) router.
Workaround: There is no workaround.
CSCeg26528
Symptoms: The performance of a router may be severely degraded (at approximately 90 percent of
the line rate) when large packets are processed, when the MLP bundle link flaps, and when the router
does not recover the MLP sequence numbers of the packets.
Conditions: This symptom is observed on a Cisco 7500 series and Cisco 7600 series that are
configured for dMLP only when large packets are processed.
Workaround: There is no workaround.
CSCeg35670
Symptoms: Shortly after a Cisco IOS software boot loader image has been downloaded, a PRP-2
may crash and does not reload.
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