Specifications

1236
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(28)S
• CSCed73722
Symptoms: On an Engine 3 4GE line card, traffic from a Catalyst switch to a Cisco 12000 series is
not rerouted over the GEC link when disabling the physical interface on which the traffic is passing.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(26)S1.
Workaround: There is no workaround.
• CSCed73780
Symptoms: An EPA-GE/FE-BBRD line card may experience repetitive crashes during normal
operation.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(25)S2 or 12.0(26)S1.
Workaround: There is no workaround.
• CSCed74617
Symptoms: After an RPR+ switchover, the output information of a tag adjacency is replaced by the
output information of the corresponding IP adjacency. This situation causes MPLS traffic
forwarding to stop.
Conditions: This symptom is observed on a Cisco 12000 series that functions as a PE router and that
is configured with AToM VCs after a switchover in RPR+ mode has occurred.
Workaround: There is no workaround.
• CSCed75108
Symptoms: When an IP VRF is configured on an SDCC interface of a Cisco 10720 router, all MPLS
packets which are to be forwarded through the SDCC interface are instead dropped by the PXF
forwarding engine.
Conditions: This problem is observed when setting up an MPLS-VPN in which the PE-CE interface
is an SDCC interface on the Cisco 10720 router.
Workaround: Disable the PXF forwarding path via the no service pxf command.
Further Problem Description: The forwarding path must deal with MPLS packets that are destined
for the SDCC interface by punting them rather than dropping them.
• CSCed75233
Symptoms: A line card crashes when the CPK internal debug tool is enabled because of uninitialized
data in the CPK debug code.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(27)S.
Workaround: There is no workaround.
• CSCed75347
Symptoms: CR and CPK VP policing is broken when a mux-ed PVC VCI range is above 4095.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(27)S.
Workaround: There is no workaround.
• CSCed77178
Symptoms: HSRP configured on the subinterfaces of an Engine 4+ GE line card may not work.
Conditions: This symptom is observed when the subinterfaces are configured with VRFs.