Specifications

1301
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(27)S3
– Cisco IOS Release 12.1E
– Cisco IOS Release 12.2M
Workaround: Avoid conditions that prevent a “valid cached adjacency” from being installed.
• CSCec11645
Symptoms: VIP crashes with DMA Receive error.
Conditions: This symptom can occur when doing xconnect hairpinning of two interfaces on the same
VIP.
Workaround: There is no workaround.
• CSCec15517
Symptoms: A Cisco router may reload when you enter the show policy-map interface command in
one router session while deleting the sub-interface on which the policy is attached from another
session.
Conditions: This symptom is observed on a Cisco 7500 series that is configured with a Frame Relay
permanent virtual circuit (PVC) policy.
Workaround: There is no workaround.
• CSCec82589
Symptoms: After entering a no hw-module slot command on the primary CSC, an Engine 0 OC-12
(channelized to DS3) line card may be come inoperable.
Conditions: This symptom is observed on a Cisco 12416 router that is running the gsr-p-mz image
of Cisco IOS Release 12.0(24)S.
Workaround: Use the microcode reload global configuration command to reload the line card.
• CSCed02844
Symptoms: IPv6 adjacencies may appear as incomplete, and connectivity may be broken. This
situation occurs at random times and is not associated with any event in particular. IPv4 adjacencies
may appear as incomplete but recover within a minute.
Conditions: This symptom is observed on a Cisco IOS-based router when you enter the clear
adjacency command.
Workaround: To restore the correct state of the adjacency, enter the shutdown command followed
by the no shutdown command on the affected interface.
• CSCed41231
Symptoms: An alignment error may cause a Cisco router to reload unexpectedly.
Conditions: This symptom is observed under rare conditions (an “extreme corner case”) on a
MIPS-based Cisco platform or on a Versatile Interface Processor (VIP), port adapter, or line card
that contains a MIPS processor. The symptom is not release-dependent and may occur in all
Cisco IOS releases.
Workaround: There is no workaround.
Further Problem Description: All Cisco 7500 VIPs and Cisco 7200 NPEs use MIPS- based
processors. The following are additional platforms that use MIPS processors:
Cisco 2691, Cisco 3620, Cisco 3631, Cisco 3640, Cisco 3660, Cisco 3725, Cisco 3745, Cisco 4500,
Cisco 4500-M, Cisco 4700, Cisco 4700-M, Cisco AS5300, Cisco AS5400, Cisco AS5450, Cisco
AS5800 router shelf, Cisco AS5800 system controller (3640 based), Cisco 7120, Cisco 7140, Cisco