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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)S5
Workaround: Disable the hw-module slot slot-number np mode feature command on the Engine 3
ingress line card.
CSCin91381
Symptoms: A VIP that has a dMLFR configuration may crash when you enter the microcode reload
global configuration command.
Conditions: This symptom is observed on a Cisco 7500 series when traffic flows through the VIP.
Workaround: There is no workaround.
CSCin95125
Symptoms: dCEF switching does not function when Frame Relay over L2TPv3 is configured on a
2-port OC-3 POS port adapter (PA-POS-2OC3) that is installed in a VIP 6-80.
Conditions: This symptom is observed on a Cisco 7500 series that runs Cisco IOS
Release 12.0(30)S3 when an interface of the PA-POS-2OC3 faces the core of the network. When
traffic from the core leaves the PA-POS-2OC3 to a CE router, dCEF switching functions fine.
However, when traffic form the CE router leaves the PA-POS-2OC3 to the core, dCEF switching
does not function and the VIP 6-80 punts the traffic to the RSP.
Workaround: There is no workaround.
CSCin96583
Symptoms: After an OIR of a VIP on a Cisco 7500 series, MLP traffic causes a very heavy CPU load
on the RP, in turn causing failures in the IPC configuration and memory allocation (malloc) failures.
Conditions: This symptom is observed on a Cisco 7500 series that is configured with a large number
of distributed MLP bundles.
Workaround: There is no workaround.
CSCin96692
Symptoms: On a Cisco 7500 series that is configured for dMLP, the txacc values of member
interfaces may be wrongly credited to other member interfaces, causing RSP-3-RESTART
messages, and finally causing traffic to stop.
Conditions: This symptom is observed when the member links flap continuously for some time
while traffic is being processed.
Workaround: There is no workaround.
CSCsa75484
Symptoms: After an SSO has occurred, all packets are received but not forwarded to the PXF engine,
preventing pings from going through.
Conditions: This symptom is observed on a Cisco 10000 series that is configured with a 1-port
Gigabit Ethernet half-height line card.
Workaround: There is no workaround.
CSCsa91478
Symptoms: A Cisco 12000 series that is configured for L2TPV3 may continuously log the following
CM_ERROR message, causing the syslog server to be flooded:
%SW_MGR-3-CM_ERROR: Connection Manager Error - unprovision segment failed
%SW_MGR-3-CM_ERROR: Connection Manager Error - unprovision segment failed
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