This document provides
installation instructions for Unified CCE 11.6(2) ES32. It also contains a list
of Unified CCE issues resolved by this engineering special. Review all
installation information before installing the product. Failure to install this
engineering special as described can result in inconsistent Unified CCE
behavior.
This document contains
these sections:
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This section lists the
Unified CCE components on which you can and cannot install this engineering
special.
You can install Unified CCE
11.6(2) ES32 on these Unified CCE components:
Do not install this
engineering special on any components other than:
If the Unified CCE
Services are set to manual, using the Unified CCE Service Control, start all the
Unified CCE Services.
Note: Remove patches in the reverse order
of their installation. For example, if you installed patches 3, then 5, then 10
for a product, you must uninstall patches 10, 5, and 3, in that order, to
remove the patches from that product.
This section provides a
list of significant Unified CCE defects resolved by this engineering special.
It contains these subsections:
Note: You can view more information on
and track individual Unified CCE defects using the Cisco Bug Search tool,
located at: https://bst.cloudapps.cisco.com/bugsearch/search?null.
This section lists caveats
specifically resolved by Unified CCE 11.6(2) ES32.
Caveats in this section are
ordered by UNIFIED CCE component, severity, and then identifier.
Identifier |
Severity |
Component |
Headline |
2 |
router |
CCAG process stuck in Out Of
Service on both sides of ICM Router |
Caveats are ordered by
severity then defect number.
Defect Number: CSCvo30215
Component: router
Severity: 2
Headline: CCAG process stuck in Out Of Service on both sides of ICM Router
Symptom: After multiple private link failures, CCAG process
stuck in OOSV on both sides of ICM Router. This is usually seen after the
Router process requests termination owing to error, during an aborted state
transfer operation from its peer, with a trace similar to the following:-
Router-MDS process logs:-
21:45:46:535 rb-mds Client: rtr, state transfer operation aborted.
Router-Rtr process logs:-
21:45:43:601 rb-rtr
Initiating state transfer RECEIVE operation.
21:45:46:636 rb-rtr State
transfer operation aborted.
21:45:46:636 rb-rtr
Requesting MDS termination due to error.
However, a trace denoting an acknowledgment back from
MDS process, stating "Connection to MDS process closed." does not
appear in the Router logs.
Conditions: Multiple private link failures including peer Router being
unreachable using the public network, during state transfer operation, leading
to the state transfer being aborted.
Workaround: Manually stop and start the Router service using CCE Service
Control Manager, on the side which was found to be hung..
Further Problem Description: The hung Router MDS logs also contain below
trace messages, indicating no response back from Router:-
21:45:56:309 rb-mds MDS
missed ACK response from ICM call router consecutively 3 times,
but will continue to send messages.
21:49:40:113 rb-mds MDS
missed ACK response from ICM call router consecutively 3 times,
but will continue to send messages.
Identifier |
Severity |
Component |
Headline |
CSCvq93914 |
2 |
router |
Router
does not preserve message order on call deletion when VRU PG goes down |
CSCvr33866 |
2 |
router |
Call
router crash while processing a Precision Queue update operation |
|
|
|
|
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