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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(30)S
CSCee74256
Symptoms: When SSO is configured and the Event Manager triggers a switchover, the new active
RP reloads unexpectedly.
Conditions: This symptom is observed on a Cisco 12000 series.
Workaround: There is no workaround.
CSCee74419
Symptoms: When L3 VPN routes flap, the PLU utilization on line cards in a PE router may increase
to and remain at 99 percent.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(28)S and that functions as a PE router when L3 VPN routes flap in an L3 VPN network
that has a large number of VPN routes.
Workaround: There is no workaround.
CSCee74886
Symptoms: After you enter the microcode reload pxf command or after a PXF crash occurs,
EoMPLS packets that should be encapsulated with EoMPLS encapsulation are treated as if they are
normal IP packets, and are likely to be dropped by the router.
Conditions: This symptom is observed on a Cisco 10720 router when an SRP (sub)interface is used
as the EoMPLS backbone interface to transport EoMPLS packets to other EoMPLS PE routers and
when the (sub)interface has the xconnect destination-address vc-id encapsulation mpls command
enabled.
Workaround: Remove the xconnect destination-address vc-id encapsulation mpls command from
the (sub)interface that connects to a customer device, and reconfigure it on the (sub)interface.
CSCee75225
Symptoms: High CPU utilization may cause interfaces to flap, and the following spurious memory
access messages may be generated:
%ALIGN-3-SPURIOUS: Spurious memory access made at 0x603C2724 reading 0x194
%ALIGN-3-TRACE: -Traceback= 603C2724 601D2888 601D40B4 00000000 00000000 00000000
00000000 00000000
Conditions: This symptom is observed on a Cisco 7500 series that runs Cisco IOS
Release 12.0(23)S when you the clear cef linecard command.
Workaround: There is no workaround.
CSCee75296
Symptoms: The MTU range for a link bundle on an 8-port OC-3 Engine 2 POS line card starts at
zero.
Conditions: This symptom is observed on a Cisco 12000 series that runs a Cisco IOS interim release
of Release 12.0(29)S.
Workaround: There is no workaround.
CSCee76476
Symptoms: A Cisco 12000 series equipped with Engine 4 or Engine 6 line cards may crash because
of an unexpected exception to CPU vector 300 when the CISCO-CLASS-BASED-QOS-MIB is
queried via SNMP.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(26)S or an earlier 12.0 S release.
Workaround: There is no workaround other than excluding the access to the MIB.
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