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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)S4
Workaround: Do not enter the clear l2tun all command when the debug vpdn l2x-packets
command is enabled on the router.
• CSCsc30648
Symptoms: A POS line card that is configured with third-party vendor Small Form-Factor Pluggable
Interface Converters (SFPs) and that is installed in a Cisco 12000 series fails the security check.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(30)S3 or Release 12.0(31) during the initial boot process.
Note that when the router runs Release 12.0(28)S3 and you boot the router with the SFPs already
installed, the symptom does not occur. However, when you reload the router and then remove and
reinsert the SFPs, they do not pass the security check either.
Workaround: There is no workaround.
• CSCsc52645
Symptoms: When Bit error rate testing (BERT) is configured on a timeslot or channel group, the
entire T1 line goes down.
Conditions: This symptom is observed on a Cisco 7600 series and Cisco 12000 series that are
configured with a channelized T3 to DS0 SPA.
Workaround: There is no workaround.
• CSCsc58216
Symptoms: When a VIP has an MLP bundle interface that is configured for LFI via the ppp
multilink interleave command, counters on the bundle interface may show zero values, even when
traffic is being passed.
Conditions: This symptom is observed on a Cisco 7500 series.
Workaround: Disable LFI by entering the no ppp multilink interleave command, or look at the
counters for the physical interface.
• CSCsc65393
Symptoms: A 4-port Gigabit Ethernet ISE line card may crash.
Conditions: This symptom is observed on a Cisco 12000 series that is configured for multicast
traffic.
Workaround: There is no workaround.
• CSCsc73112
Symptoms: On a Cisco 10000 series 4-port OC-3 ATM line card, a flowbit offset mismatch may
occur on certain PVCs when you enter the shutdown interface configuration command on an ATM
subinterface before you remove a service policy from the ATM subinterface.
Conditions: The symptom is observed on a Cisco 10000 series that runs Cisco IOS
Release 12.0(30)S4 and that is configured with a PRE1 when about 400 PVCs are activated on the
line card.
Workaround: Do not enter the shutdown interface configuration command on the ATM subinterface
before you remove the service policy.
• CSCsc80380
Symptoms: When you configure a class policer in a child policy by entering the police cir percent
command, the police rate calculation for the class may be incorrect.
Conditions: This symptom is observed on a Cisco 12000 series that has an hierarchical Modular QoS
CLI (MQC) output service policy on the Ethernet interface of a shared port adapter (SPA).
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