Specifications

1387
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(27)S
Conditions: This symptom is observed under rare circumstances when a SONET bit error rate (BER)
is reported.
Workaround: There is no workaround.
• CSCeb67098
Symptoms: A memory leak may occur in the Parallel Express Forwarding (PXF) interprocess
communications (IPC) buffer on a Cisco 10720, as may be seen in the “toaster IPC buffer” counter
in the output of the show buffers EXEC command.
When the buffer pool is empty, the following error messages may appear, you may no longer be able
to Telnet to the router, and the router may reload unexpectedly:
%CAMR_QUEUE_CFG_GENERAL-3-EREVENT: Error @
../toaster/camr_rp/camr_tt_queue_cfg.c:463 -Traceback= 500DB204 500DB2BC 503954D8
503986EC 50330A58
%SYS-2-MALLOCFAIL: Memory allocation of 18196 bytes failed from 0x502C5BD0, alignment
32 Pool: I/O Free: 552 Cause: Not enough free memory Alternate Pool: None Free: 0
Cause: No Alternate pool
-Process= "Pool Manager", ipl= 0, pid= 5 -Traceback= 50308EEC 5030A8E8 502C5BD8
5031DD3C 5031DE7C
Conditions: This symptom is observed on a Cisco 10720 when a policy map with a Weighted
Random Early Detection (WRED) configuration that is enabled by using the random-detect
policy-map class configuration command is applied to any interface of the router.
The higher the rate with which the Route Processor (RP) sends packets to PXF, the faster the PXF
IPC buffer leaks. However, the buffer may leak very slowly, and it may takes weeks before the buffer
pool is empty.
Workaround: Remove the policy maps with the WRED configuration from all interfaces of the
router.
• CSCeb68830
Symptoms: When an output policy map is applied to the interface of a 2-port OC-48 Spatial Reuse
Protocol (SRP) uplink module or a 2-port OC-48 Packet-over-SONET (POS) uplink module, small
packets (that is, IP packets with a size of 37, 38, or 39 bytes) that are sent out of the interface may
be corrupted.
Conditions: This symptom is observed on a Cisco 10720 that is configured with a policy-map
configuration with a class map other than the class-default class map. The symptom does not occur
when the policy-map configuration has the class-default class map.
Workaround: Remove the policy-map configuration with the class map (other than the class-default
class map) from the SRP or POS interface.
• CSCeb70856
Symptoms: In an Inter-Autonomous System (InterAS), provider edge (PE) routers cannot ping each
other. The next hop for PE interfaces is not the loopback address of the Autonomous System
Boundary Router (ASBR) within the same AS because the neighbor next-hop self router
configuration command does not function in Border Gateway Protocol (BGP).
Conditions: This symptom is observed on a Cisco 10720 ASBR in an InterAS with a 6PE router that
has a route reflector (RR).
Workaround: There is no workaround.
• CSCeb70879
Symptoms: IP version 4 (IPv4) fragments may be corrupted in the following way: The first 8 bytes
of a fragment duplicate the last 8 bytes of the previous fragment.