This document provides installation instructions for Unified CCE 12.0(1)
ES43. 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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12.0(1)
This section lists the Unified CCE components on which you can and cannot install this engineering special.
You can install Unified CCE 12.0(1) ES43 on these Unified CCE components:
·
Router
Do not install this engineering
special on any components other than:
Installation of this patch
requires that all Unified CCE services be shut down during the entire
period of installation. It is always recommended to install this ES during a
scheduled downtime.
1.
Using the Unified CCE
Service Control, stop all the Unified CCE Services running on the system.
2.
Launch the installer
provided for the ES43 and follow the instructions on the screen.
If the Unified CCE Services are set to manual,
using the Unified CCE Service Control, start all the Unified CCE Services.
1.
To uninstall this
patch, go to Control Panel.
2.
Select "Add or
Remove Programs".
3.
Find the installed
patch in the list and select "Remove".
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 12.0(1)
ES43.
Caveats in this section are ordered by UNIFIED CCE component, severity, and
then identifier.
|
Identifier |
Severity |
Component |
Headline |
|
CSCvo30215 |
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.
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