Cisco OL-4015-08 Bedienungsanleitung Seite 466

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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(31)S1
CSCsb06383
Symptoms: When sending high rate Multicast and Unicast bi-directional traffic back to back
between 4 Gigabit Ethernet ports and across the SRP uplink interface, the PXF complex
occasionally stops running. The PXF complex restarts and functionality is restored automatically.
Conditions: This symptom has been observed with high rate Multicast and Unicast traffic.
Workaround: Recovery is automatic.
CSCsb09190
Symptoms: A router misses an entry in its label forwarding table, which is shown in the output of
the show tag-switching forwarding-table EXEC command for the missing entry and in the output
of the show ip cef detail EXEC command for the prefix.
Conditions: This symptom is observed on a Cisco router that is configured for Multiprotocol Label
Switching (MPLS) and that learns its routes through iBGP from redundant route reflectors (RRs)
when BGP labeling is not enabled.
Workaround: There is no workaround. However, when you enter the clear ip route EXEC command
for the affected prefix, the prefix is reinstalled in the label forwarding table.
CSCsb11574
Symptoms: After a Cisco 12000 series is rebooted, the interfaces that are associated with a 6-port
channelized T3 (T1) line card may not come up.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(31)S.
Workaround: Reload the line card to bring up the controllers and interfaces.
CSCsb14213
Symptoms: When IPv4 multicast packets have a resultant IP checksum of “FFXX”, the checksum
becomes corrupt.
Conditions: This symptom is observed on a Cisco 10720 that runs Cisco IOS Release 12.0(31)S.
Workaround: There is no workaround.
CSCsb14703
Symptoms: The PXF engine of a Cisco 10000 series crashes.
Conditions: This symptom is observed when a Fast Ethernet port flaps because you change the
duplex configuration.
Workaround: Do not change the duplex mode.
CSCsb17153
Symptoms: A serial interface that is configured for CRC-16 will revert to CRC- 32 when a router
reloads.
Conditions: This symptom occurs when configuring a serial interface on a Cisco 12000 series router
that is running Cisco IOS Release 12.0(31)S and is utilizing a 4xCT3/DSO adapter in an Internet
Service Engine (ISE) 2.5G SPA line card for CRC-16. When the configuration is written and the
router reloads, the interface will come up as CRC-32.
Workaround: There is no workaround.
CSCsb18880
Symptoms: A 4-port channelized STM-1/OC-3 line card resets and generates an
“IRONBUS-FAULT” error message.
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