Specifications

1316
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(27)S3
• CSCee82088
Symptoms: The show controller au-4 command does not show any detail tug groups under the
controller.
Conditions: The symptom was observed on the Cisco 10000 router with a channelized STM-1
linecard.
Workaround: Issuing the following commands on the router will restore the au-4 controller display.
router# config terminal
router(config)# hw-module slot <slot number> shutdown
router(config)# no hw-module slot <slot number> shutdown
router(config)# end router#
• CSCee84193
Symptoms: All interfaces in a multilink group go down when you enter the no shutdown command
on the MLP interface.
Conditions: This symptom is observed when the MLP interface is in the up/up state.
Workaround: Do not enter the no shutdown command on an MLP interface that is already in the
up/up state.
• CSCee84933
Symptoms: A 1-port 10-Gigabit Ethernet line card (1X10GE-LR-SC) may crash, reporting a stack
trace pointing to the optics interrupt handler.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(27)S1 when you shut down the 10GE port of a 4-port 10 Gigabit Ethernet module
(WS-X6704-10GE) that is installed in a Cisco 7609 at the other side of the connection.
Workaround: There is no workaround.
• CSCee90155
Symptoms: A TLU memory leak occurs on an Engine 3 line card that has aggregate IPv6 labels when
the associated IPv6 route is flapped or changed.
Conditions: This symptom is observed when you inject static routes that point out of a Gigabit
Ethernet (GE) interface of a 4-port GE ISE line card and when the GE interface is flapped.
Depending on the number of aggregate IPv6 labels, the TLU memory leak can be either
service-impacting or very minor.
Workaround: There is no workaround.
• CSCee90295
Symptoms: A Cisco 12000 series may reload when configuring a large number of class-maps.
Conditions: This symptom is observed on a Cisco 12816 router that has a PRP and that is running
Cisco IOS Release 12.0(28)S.
Workaround: Configure maximum 255 classes per parent policy-map.
• CSCee90552
Symptoms: When you send an SNMP query to poll the CBQOS MIB, high CPU utilization may
occur. Depending on number of service policies attached, the CPU utilization may reach 100
percent, causing many different negative effects to occur: the Telnet connection may go down, LDP
may go down, and in some cases the router may crash.
Conditions: This symptom most likely occurs when the unsupported cbQosREDClassStats objects
are polled and when there are about 1000 QoS policy attachment configured.