Cisco Cisco IOS Software Releases 12.2 MC
16
Release Notes for Cisco MWR 1941-DC Mobile Wireless Edge Router for Cisco IOS Release 12.2(15)MC2g
OL-13984-16
Caveats in Cisco IOS Release 12.2(15)MC2b
Workaround: Configure the bgp maxas limit command in such a way that the maximum length of
the AS path is a value below 255. When the router receives an update with an excessive AS path
value, the prefix is rejected and the event is recorded in the log.
the AS path is a value below 255. When the router receives an update with an excessive AS path
value, the prefix is rejected and the event is recorded in the log.
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CSCeh33220
Description: When an FE cable is pulled out of a Cisco MWR 1900 Mobile Wireless Edge Router,
a LINK DOWN Trap is generated. When the cable is inserted back in, the LINK DOWN Trap is
generated again, instead of the LINK UP Trap.
a LINK DOWN Trap is generated. When the cable is inserted back in, the LINK DOWN Trap is
generated again, instead of the LINK UP Trap.
This symptom occurs when the FE cable is pulled out and re-inserted in the Cisco MWR 1900
Mobile Wireless Edge Router.
Mobile Wireless Edge Router.
Workaround: There is currently no workaround.
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CSCeh54591
Description: The MWR controllers are down when the ‘detect v54 channel-group’ is configured.
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.
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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.