Cisco OL-4015-08 Manual de usuario Pagina 351

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703
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(32)S
CSCsa43329
Symptoms: A Cisco 12000 series may crash because of a bus error when you configure a loopback
on one of the E3 interfaces on a 6-port E3 (6E3-SMB) or 12-port E3 (12E3-SMB) line card.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(28)S.
Workaround: Do not configure a loopback on one of the E3 interfaces.
CSCsa46484
Symptoms: A VIP or FlexWAN module in which a PA-POS-2OC3 port adaptor is installed may
crash.
Conditions: This symptom is observed rarely and at random on a Cisco 7xxx series router or
Cisco Catalyst 6000 series switch.
Workaround: There is no workaround.
CSCsa53117
Symptoms: Multi-Layer Switching (MLS) CEF may stop functioning when an interface status
changes. Ping and connectivity problems may also occur.
Conditions: This symptom is observed on a Cisco Catalyst switch and Cisco router when you shut
down an interface or change VRF routes and as a result no other interfaces can be provisioned.
Temporary Workaround: Reload the Supervisor Engine or Route Processor.
CSCsa57562
Symptoms: IPC messages may be generated on a 1-port channelized OC-12 (DS3) line card and the
line card may be disabled and reload.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(28)S or Release 12.0(28)SW1 when OC-3 subinterfaces are configured on the 1-port
channelized OC-12 (DS3)line card, when these OC-3 subinterfaces are configured for Frame Relay,
when the rate-limit command is enabled, and when L2TPv3 traffic is being processed.
Workaround: There is no workaround because the rate-limit command is not supported in a
configuration in which L2TPv3 traffic is being processed.
CSCsa58703
Symptoms: A number of AToM virtual circuits may not stay up after a configuration changes for a
large number of AToM virtual circuits.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS Release 12.0(31)S or
Release 12.2SB.
Workaround: Flap the attachment circuit for each of the AToM virtual circuits.
CSCsa59109
Symptoms: At random, subinterfaces loose the ability to ping a directly-connected peer.
Conditions: This symptom is observed on a Cisco 12000 series that is configured with two 3-port
Gigabit Ethernet line cards.
Note that although regular and extended pings do not work, pings that use the record option do work.
Workaround: Reload microcode onto the affected line cards.
CSCsa60026
Symptoms: Cells loss occurs on a single ATM link of PA-A3-8T1IMA or PA-A3-8E1IMA port
adapter.
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