
478
Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Conditions: The symptom is observed with 16k VPLS VC, 4k scalable EoMPLS, 1K software
EoMPLS, 600 primary tunnels to nPE1 and one tunnel to nPE2 from nPE3.
Workaround: There is no workaround.
• CSCtg44996
Symptoms: Flows get dropped when the packet size is greater than 1514.
Conditions: The symptom is observed after L2TPv3 reassembly on an ES+ card with default MTU
on access facing. The packets get dropped because of MTU validation. This is seen in VLAN mode
configuration only.
Workaround: Increase the access facing MTU.
• CSCtg49331
Symptoms: Multicast streams may not be forwarded to some interfaces, even though they are
forwarded to other interfaces on the device without issues.
Conditions: The symptom is observed on a Cisco 7600 series router that is running Cisco IOS
Release 12.2(33)SRD4 with egress multicast replication mode.
Workaround: Use ingress replication mode. If egress replication mode is used and the issue is
present, service can be restored by using the clear ip mroute A.B.C.D command:
Or perform a shut and no shut on the affected interface.
• CSCtg52130
Symptoms: When running “show mmls met” on SP or DFC, the line card crashes
Conditions: This symptom will happen when the met set has a fixed set.
Workaround: There is no workaround.
• CSCtg62555
Symptoms: System may be out of service after removing the IP address from the “ip portbundle
source loopback” interface. The following error may be shown:
%SYS-2-CHUNKFREE: Attempted to free nonchunk memory, chunk 2BA721819088,
data 2BA760900868. -Process= "SSM connection manager", ipl= 0, pid= 137
-Traceback= 1#cdb5a75db2833d1c207cda33ef68fc00 :400000+6D755D :400000+1AF0949
:400000+49D5A2B
:400000+49D98FF :400000+49DB212 :400000+1919497 :400000+19044BF :400000+190434B
:400000+18FA668
:400000+18F9378
%Software-forced reload
Conditions: This symptom is observed on a Cisco ASR1000 series router functioning as an ISG,
when Port Bundle Host Key (PBHK) is enabled on the sessions, when thousands of sessions are
established, and a high rate of traffic is running in both the upstream and downstream directions.
Workaround: There is no workaround.
• CSCtg73456
Symptoms: Bulk sync fails due to applying the tx-ring- limit command on the main interface, which
is not supported.
Conditions: This symptom occurs when appling the tx-ring- limit command on the main interface
and doing an SSO.
Workaround: There is no workaround.
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