Cisco OL-4015-08 Manual de usuario Pagina 426

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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)S3
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(31)S1 and only affects Engine 5 line cards.
Workaround: Create an SNMP View that excludes the Fabric MIB (CISCO-FABRIC-C12K-MIB).
CSCsc30289
Symptoms: When the router at the opposite site is reloaded, a Dynamic Packet Transport (DPT) line
card crashes because of a “Bus Error exception.
Conditions: This symptom is observed on a Cisco 12000 series when the router at the opposite site
is also configured with a DPT line card.
Workaround: There is no workaround.
CSCsc32171
Symptoms: An Engine 2 line card that functions as a tunnel server card may crash in the
process_rx_packet_uti_inline() process when an Xconnect configuration is removed.
Conditions: This symptom is observed on a Cisco 12000 series when a dynamic L2TP session that
is configured on a tunnel server card is removed while traffic is being processed.
Workaround: There is no workaround.
CSCsc37404
Symptoms: An Engine 6 line card may reset with the following error messages:
%IPC-5-INVALID: NACK Source Port=0x403F0000
%MCC192-3-CPU_PIF: Error=0x4
%MCC192-3-CPUIF_ERR: Packet Exceeds Programmed Length.
%GSR-3-INTPROC: Process Traceback= 40D32E5C 406D8CE0
...
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(28)S2.
Workaround: There is no workaround.
CSCsc38678
Symptoms: When IS-IS IPv6 routes flap, a memory leak occurs on an ISE line card, eventually
causing dCEF to be disabled when no more memory is available.
Conditions: This symptom is observed on a Cisco 12000 series that is configured with 180,000 BGP
routes and 6000 IS-IS routes, 10 percent of which flaps each 30 seconds. The symptom occurs only
when IS-IS flaps, not when BGP flaps. The symptom does not occur either when IPv6 routing is not
configured.
Workaround: There is no workaround. If this is an option, remove IPv6 routing by entering the no
ipv6 unicast-routing global configuration command. When the symptom has occurred and dCEF is
disabled, you must reload the line card to restore its memory.
CSCsc44237
This caveat consists of two symptoms, two conditions, and two workarounds:
1. Symptom 1: A switch or router that is either configured with a PA-A3 ATM port adapter may
eventually run out of memory. The leak occurs when the FlexWAN or VIP that contains the
PA-A3 port adapter is removed from the switch or router and not re-inserted.
The output of the show processes memory command shows that the “ATM PA Helper” process
does not have sufficient memory. The output of the show memory allocating-process totals
command shows that the “Iterator” process holds the memory.
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