Specifications

1163
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(28)S1
Alternate Workaround: Decrease the rate of packets drops by increasing the sampling period. For
example, when you enter the ip flow-sampling-mode packet-interval 10 command, up to 10
percent of packets that are larger than 1496 bytes are dropped. However, when you enter the ip
flow-sampling-mode packet-interval 1000 command, only 0.1 percent of packets that are larger
than 1496 bytes are dropped.
• CSCed64702
Symptoms: On a Cisco 10000 series, the PXF information may not be correctly updated from the
RP after a route change, causing packets to be sent untagged even though the RP shows that the
packets should be sent as tagged.
Conditions: This symptom is observed on a Cisco 10000 series that runs Cisco IOS
Release 12.0(26)S.
Workaround: Enter the clear isis * command or enter the shutdown command followed by the no
shutdown command on the interface towards the MPLS cloud.
• CSCed67734
Symptoms: Packet processing at the remote end of a link may fail.
Conditions: This symptom is observed when a service policy that includes the set atm-clp command
is enabled on an output interface via the service-policy output command; the platform that links to
this output interface at the remote end drops the packets.
Workaround: Remove the set atm-clp command from the service policy on the output interface.
• CSCed69856
Symptoms: A Cisco 10000 series router may crash when access control lists (ACLs) are displayed.
Conditions: The symptom is observed when ACLS are displayed by entering the show access-list
command just after an ACL has been added, deleted or modified. The probability of the crash
increases with the size of the ACL and with the number of times it is used (for example, in route
maps).
Workaround: Wait for a few minutes after modifying the ACL. For large size ACLs (with hundreds
of entries) that is used many times you may have to wait between 5 and 10 minutes.
• CSCed72686
Symptoms: An ACL applied to an ATM subinterface (RFC1483) may not work after a PRE
switchover.
Conditions: This problem is observed on a Cisco 10008 router with PRE2.
Workaround: Deconfigure and configure again the access list that is not working.
• CSCed74917
Symptoms: An ACL applied to a subinterface may becomes active on the main interface, without
showing this in the configuration.
Conditions: This symptom is observed on a Cisco 12000 series that runs Cisco IOS
Release 12.0(25)S2.
Workaround: Do not apply the ACL to the subinterface.
• CSCed74933
Symptoms: A Cisco 12000 series may exhibit high CPU utilization in the “Per-Second Job” process.
Conditions: This symptom is observed on a Cisco 12012 router that has a GRP and that is running
Cisco IOS Release 12.0(26)S1 with 255 class maps applied to a 4-port ISE Gigabit Ethernet line
card. However, the symptom is release- and platform-independent.