Cisco OL-4015-08 Bedienungsanleitung Seite 551

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903
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(30)S4
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.
CSCeg40957
Symptoms: A router that is equipped with a PA-A3-OC3 ATM port adapter may generate alignment
errors.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS Release 12.2(25)S1
and that is configured for Xconnect. The symptom may also occur in other releases.
Workaround: There is no workaround.
CSCeg82322
Symptoms: Platform independent multicast protocol software running in a line card will exit without
logging any errors when detecting an illegal value for an input “hardware” interface if_index or an
input “software” interface if_number.
A line card may crash or experience other errors whose cause will be difficult to identify.
Conditions: These symptoms only occur when a preceding error has occurred during route processor
assignment of interface indices. These errors are frequently accompanied by error messages.
Workaround: Utilize RP error messages if available to diagnose the cause of the problem.
CSCeh04295
Symptoms: When ATM packets are sent over an 8-port OC-3 ATM Engine 2 line card, the packets
are punted to the CPU of the line card, causing traffic drops.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(31)S and that is configured for AToM when an 8-port OC-3 ATM Engine 2 line card
is the disposition card.
Workaround: There is no workaround.
CSCeh13340
Symptoms: On a Cisco XR 12000 series hardware-based forwarding line card, the receive counters
in the output of the show mpls l2transport vc command do not work in any images for AToM.
Conditions: This symptom is observed on all hardware-based engine line cards on a Cisco XR 12000
series that is configured for AToM and Sampled NetFlow on the core-facing line cards.
Workaround: There is no workaround.
CSCeh27783
Symptoms: A router crashes after you have manually configured 237 IPv6 tunnels.
Conditions: This symptom is observed on a Cisco platform that is configured for IPv6 when there
are more than eight paths for one IPv6 prefix. The symptom is platform-independent and not
release-specific.
Workaround: There is no workaround.
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