Cisco Cisco IOS Software Releases 12.2 MC
14
Release Notes for Cisco MGX-RPM-1FE-CP Back Card for Cisco IOS Release 12.2(15)MC2g
OL-2920-12
Caveats in Cisco IOS Release 12.2(15)MC2a
Caveats in Cisco IOS Release 12.2(15)MC2a
The following sections list and describe the open and resolved caveats for the Cisco MGX-RPM-1FE-CP
with Cisco IOS Release 12.2(15)MC2a. Only severity 1 through 3 caveats are included.
with Cisco IOS Release 12.2(15)MC2a. 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)MC2a. 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.
Open Caveats
The following caveat is open in Cisco IOS Release 12.2(15)MC2a.
•
CSCeb24086
Description: Administratively shutting down an FE interface while traffic is flowing on a second
MGX-RPM-1FE-CP interface might cause a few seconds of packet lost on the second FE interface.
MGX-RPM-1FE-CP interface might cause a few seconds of packet lost on the second FE interface.
Workaround: Do not administratively shut down an FE interface on an active system when traffic
is flowing.
is flowing.
•
CSCeb76514
Description: The checkheaps process detects corrupted memory and when packets back up into the
bundle output hold queue, causes a router reload.
bundle output hold queue, causes a router reload.
Workaround: A software workaround (CSCeb74020) is implemented in Cisco IOS 12.2(15)MC1.
Resolved Caveats
This section lists the caveats resolved in Cisco IOS Release 12.2(15)MC2a.
•
CSCdz32659
Description: Memory allocation failure (MALLOCFAIL) messages no longer occur for Cisco
Discovery Protocol (CDP) processes.
Discovery Protocol (CDP) processes.
•
CSCec16481
A Cisco device running Internetwork Operating System (IOS) and enabled for the Open Shortest
Path First (OSPF) Protocol is vulnerable to a Denial of Service (DoS) attack from a malformed
OSPF packet. The OSPF protocol is not enabled by default.
Path First (OSPF) Protocol is vulnerable to a Denial of Service (DoS) attack from a malformed
OSPF packet. The OSPF protocol is not enabled by default.
The vulnerability is only present in IOS release trains based on 12.0S, 12.2, and 12.3. Releases based
on 12.0, 12.1 mainlines and all IOS images prior to 12.0 are not affected. Refer to the Security
Advisory for a complete list of affected release trains.
on 12.0, 12.1 mainlines and all IOS images prior to 12.0 are not affected. Refer to the Security
Advisory for a complete list of affected release trains.