Cisco OL-4015-08 Bedienungsanleitung Seite 529

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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: Set the boot configuration to non-NVRAM media such as a disk or bootflash by
entering the following commands:
boot config disk0:
filename
nvbypass
CSCeb06452
Symptoms: When multicast IP version 6 (IPv6) Cisco Express Forwarding (CEF) is enabled, packets
that are forwarded and that greater than or equal to 232 bytes may be corrupted.
Conditions: This symptom is observed on a Cisco platform that is configured for multicast CEF.
Workaround: Do not use CEF. Rather, use process-switching.
CSCed29863
Symptoms: TU alarms and some SONET statistics are not reported correctly.
Conditions: This symptom is observed on a Cisco 10000 series that is configured with a 4-port
channelized STM-1/OC-3 line card.
Workaround: There is no workaround.
Further Problem Description: A loss of multiframe (LOMF) alarm is reported on the E1 level instead
of the TU level. Some SONET statistics are not reported correctly for multi-port cards. For example,
the statistics for port 4 are displayed for ports 1, 2 and 3.
CSCee22454
Symptoms: If a packet comes in through an interface on which RPF is enabled and the RPF check
lookup results in a default prefix which has the Leaf NULL bit set, the packet is dropped even though
the Leaf pointers are valid.
You can see the RPF drops by entering the show hardware pxf interface interface-number
detail | inc RPF command.
Conditions: This symptom is observed when a Cisco 10000 series has two paths in the routing table
installed for the default prefix 0.0.0.0/0 and when the default prefix is a recursive route. This
situation causes the Leaf NULL bit to be set. The Leaf NULL bit is used only by the RPF check. If
a packet arrives on an RPF-enabled interface and the RPF check lookup results in the default prefix,
the packet is dropped because the Leaf NULL bit is set.
Workaround: Avoid loadsharing, that is, ensure that there is only one path.
CSCef12139
Symptoms: Tracebacks are generated for an 8-port Fast Ethernet half-height line card when the
router boots.
Conditions: This symptom is observed on a Cisco 10000 series.
Workaround: There is no workaround.
CSCef98037
Symptoms: Incoming multicast traffic that is forwarded via the main interface of a
Cisco 10000 series is dropped.
Conditions: This symptom is observed on a Cisco 10000 series that has a Gigabit Ethernet main
interface that is configured with a number of VRF-enabled VLAN subinterfaces.
Workaround: Remove the VRFs from the VLAN subinterfaces.
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