Specifications

1324
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(27)S3
Workaround: Attach a policy-map to the interface with random-detect enabled.
• CSCef45609
Symptoms: An Engine 3, QOC12 LC configured with Multicast VPNs, may punt traffic to RP if
multicast is disabled using the no ip multicast-routing distributed command and then re-enabled
using the no ip multicast-routing distributed command.
Conditions: This symptom is observed on a Cisco 12000 series that is running the gsr-p-mz image
of any Cisco IOS Release from 12.0(26)S4.
Workaround: There is no workaround.
• CSCef48325
Symptoms: WRED counters do not function on distributed platforms such as a Cisco 7500 series
and a Cisco 7600 series.
Conditions: This symptom is observed on a a distributed Cisco platform that runs Cisco IOS
Release 12.0(26)S3, 12.0(29)S, 12.2(25)S, 12.3(10), or 12.3(11)T and that has dWRED configured.
Workaround: There is no workaround.
• CSCef48573
Symptoms: An Engine 3 Quad OC-12 line card that is configured with multicast VPNs may punt
traffic to the Route Processor (RP).
Conditions: This symptom is observed on a Cisco 12000 series that runs the gsr-p-mz image of a
Cisco IOS interim release for Release 12.0(30)S. Note, however, that this caveat is resolved in
Release 12.0(30)S.
Workaround: There is no workaround.
• CSCef49138
Symptoms: The sh policy-map int a7/3.201 command causes the router to crash by bus error
exception.
Conditions: The router crashes when the configuring the service-policy out lanqos command on the
interface ATM7/3.201 and issuing the sh policy-map int a7/3.201 command.
Workaround: There is no workaround.
• CSCef52419
Symptoms: In Cisco IOS software versions prior to Cisco IOS Release 12.0(27)S3,
Release 12.0(28)S1, and Release 12.0(30)S, the Cisco 10720 router CPU utilization is high
(x%/y%), where y is greater than 60%, and is reporting continuous BGP and LDP flapping. The
show interface counters are showing a large number of drops and the show buffers command shows
a large number of cache misses for the private IBC buffer pools.
Conditions: The Cisco 10720 router is in a broadcast ARP storm environment and the interface
holdq <queue length> in queue length is not the default of 75 packets for any one of the router’s
interfaces (for example, it is 2048).
Workaround: Revert the holdq <queue length> in and holdq <queue length> out to the default
setting by using the default holdq in and default holdq out commands on all interfaces with
non-default hold queues.
• CSCef54021
Symptoms: The sync message configures the same queue number for both policies on the secondary
RP. The code now after the fix handle each policy separately syncing the right queue number for
each policy.