Cisco Cisco IOS Software Releases 12.2 MC
14
Release Notes for Cisco MWR 1941-DC Mobile Wireless Edge Router for Cisco IOS Release 12.2(15)MC2e
OL-13984-14
Caveats in Cisco IOS Release 12.2(15)MC2b
This symptom occurs when you Boot both redundancy MWRs at the same time. Some of the
controllers can go down in the active MWR.
controllers can go down in the active MWR.
Workaround: Reload the active MWR to cause a failover. All the controllers will come up after the
standby router becomes the active router.
standby router becomes the active router.
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CSCei61732
Description: Cisco IOS may permit arbitrary code execution after exploitation of a heap-based
buffer overflow vulnerability. Cisco has included additional integrity checks in its software, as
further described below, that are intended to reduce the likelihood of arbitrary code execution.
buffer overflow vulnerability. Cisco has included additional integrity checks in its software, as
further described below, that are intended to reduce the likelihood of arbitrary code execution.
Cisco has made free software available that includes the additional integrity checks for affected
customers.
customers.
This advisory is posted at:
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CSCei76358
Description: Through normal software maintenance processes, Cisco is removing deprecated
functionality from the OS boot routine. These changes have no impact on system operation or
feature availability.
functionality from the OS boot routine. These changes have no impact on system operation or
feature availability.
•
CSCei77821
Description: Array indexing on toaster address queue may go out of array boundary. This may cause
a crash or exhibit unexpected behavior.
a crash or exhibit unexpected behavior.
Workaround: There is currently no workaround.
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CSCsb17120
Description: When you send traffic through a link, after a few seconds the packets of traffic that are
sent through the link are not incrementing, even though the Chars Out display clearly shows the
packets are incrementing.
sent through the link are not incrementing, even though the Chars Out display clearly shows the
packets are incrementing.
Workaround: There is currently no workaround.
Caveats in Cisco IOS Release 12.2(15)MC2b
The following sections list and describe the open and closed caveats for the Cisco MWR 1941-DC router
running Cisco IOS Release 12.2(15)MC2b. Only severity 1 through 3 caveats are included.
running Cisco IOS Release 12.2(15)MC2b. Only severity 1 through 3 caveats are included.
Caveats describe unexpected behavior in Cisco IOS software releases. Severity 1 caveats are the most
serious caveats, severity 2 caveats are less serious, and severity 3 caveats are the least serious of these
three severity levels.
serious caveats, severity 2 caveats are less serious, and severity 3 caveats are the least serious of these
three severity levels.
Caveats in Cisco IOS Releases 12.2 and 12.2 T are also in Cisco IOS Release 12.2(15)MC2b. For
information on caveats in Cisco IOS Release 12.2, see Caveats for Cisco IOS Release 12.2. For
information on caveats in Cisco IOS Release 12.2 T, see Caveats for Cisco IOS Release 12.2 T. These
two documents list severity 1 and 2 caveats and are located on CCO and the Documentation DVD.
information on caveats in Cisco IOS Release 12.2, see Caveats for Cisco IOS Release 12.2. For
information on caveats in Cisco IOS Release 12.2 T, see Caveats for Cisco IOS Release 12.2 T. These
two documents list severity 1 and 2 caveats and are located on CCO and the Documentation DVD.
Note
If you have an account with Cisco.com, you can use Bug Navigator II to find caveats of any severity for
any release. To reach Bug Navigator II, Login to Cisco.com and click Software Center: Cisco IOS
Software: Cisco Bugtool Navigator II. Another option is to go directly to
http://www.cisco.com/support/bugtools.
any release. To reach Bug Navigator II, Login to Cisco.com and click Software Center: Cisco IOS
Software: Cisco Bugtool Navigator II. Another option is to go directly to
http://www.cisco.com/support/bugtools.