Cisco Cisco IOS Software Release 12.0 S
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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(33)S6
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CSCtg52659
Symptoms: An active RP crashes in the APS - PGP Message HA Sync to Standby event.
Conditions:
1. The standby RP does not respond to IPC communication during its reload.
2. APS is configured.
3. RPR+ or SSO mode is configured.
Workaround: It is a rare timing issue in the base code. To reduce the probability of occurrence, one
can increase the APS PGP hello/hold timers before a scheduled standby RP reload.
can increase the APS PGP hello/hold timers before a scheduled standby RP reload.
Resolved Caveats—Cisco IOS Release 12.0(33)S6
All the caveats listed in this section are resolved in Cisco IOS Release 12.0(33)S6. This section
describes only severity 1, severity 2, and select severity 3 caveats.
describes only severity 1, severity 2, and select severity 3 caveats.
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CSCeb53438
Symptoms: When you manually set the value of the ring-limit argument in the tx-ring-limit ring-
limit interface configuration command, the value is lost when you reload the router, even though the
value is properly saved in the running configuration and in the startup configuration.
limit interface configuration command, the value is lost when you reload the router, even though the
value is properly saved in the running configuration and in the startup configuration.
Conditions: This symptom is observed only when you manually set the value of the ring-limit
argument for an 8-port multichannel T1/E1 PRI port adapter (PA-MC-8TE1+) and you reload the
router.
argument for an 8-port multichannel T1/E1 PRI port adapter (PA-MC-8TE1+) and you reload the
router.
Workaround: There is no workaround.
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CSCef02332
Symptoms: A Cisco 7200 series with high-speed serial interfaces such as HSSI interfaces or
PA-2T3+ interfaces may reload unexpectedly.
PA-2T3+ interfaces may reload unexpectedly.
Conditions: This symptom is observed after you have performed an OIR of the HSSI or PA-2T3+
port adapter while traffic was being processed.
port adapter while traffic was being processed.
Workaround: Stop the traffic while you perform the OIR or shut down the port adapter before you
perform the OIR.
perform the OIR.
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CSCej00344
Symptoms: A router may reload unexpectedly when opening a terminal session.
Conditions: This can be seen on any platform. It can be seen when starting any terminal session from
the router, including a mistyped command which the router by default will try to resolve as an
address to telnet to.
the router, including a mistyped command which the router by default will try to resolve as an
address to telnet to.
Workaround: There is no workaround.
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CSCin11687
Symptoms: When primary and backup Non-Facility Associated Signaling (NFAS) controllers are
configured on a PA-MCX port adapter, upon shutting down the primary controller, Layer 1 of both
the backup and primary controllers becomes deactivated. The backup D channel does not take over.
configured on a PA-MCX port adapter, upon shutting down the primary controller, Layer 1 of both
the backup and primary controllers becomes deactivated. The backup D channel does not take over.
Conditions: This symptom is observed on a Cisco 7200 series router that is running Cisco IOS
Release 12.2(10.5)T.
Release 12.2(10.5)T.
Workaround: Enter the no shutdown interface configuration command, followed by the shutdown
interface configuration command, followed again by the no shutdown interface configuration
command on the serial interface of the primary controller.
interface configuration command, followed again by the no shutdown interface configuration
command on the serial interface of the primary controller.