5
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Chapter
Caveats in Cisco IOS XE 3.7S Releases
• Workaround—Solutions, if available, to counteract the caveat.
Note If you have an account on Cisco.com, you can also use the Bug Toolkit to find select caveats of any
severity. To reach the Bug Toolkit, log in to Cisco.com and go to
http://www.cisco.com/pcgi-bin/Support/Bugtool/launch_bugtool.pl. (If the defect that you have
requested cannot be displayed, this may be due to one or more of the following reasons: the defect
number does not exist, the defect does not have a customer-visible description yet, or the defect has been
marked Cisco Confidential.)
The Dictionary of Internetworking Terms and Acronyms contains definitions of acronyms that are not
defined in this document:
http://docwiki.cisco.com/wiki/Category:Internetworking_Terms_and_Acronyms_(ITA)
The following sections describe the open and resolved caveats in 3.7S Releases:
• Open Caveats—Cisco IOS XE Release 3.7(4)S, page 5
• Resolved Caveats—Cisco IOS XE Release 3.7(4)S, page 8
• Open Caveats—Cisco IOS XE Release 3.7(3)S, page 16
• Resolved Caveats—Cisco IOS XE Release 3.7(3)S, page 19
• Open Caveats—Cisco IOS XE Release 3.7(2)S, page 35
• Resolved Caveats—Cisco IOS XE Release 3.7(2)S, page 43
• Open Caveats—Cisco IOS XE Release 3.7(1)aS, page 45
• Resolved Caveats—Cisco IOS XE Release 3.7(1)aS, page 49
• Open Caveats—Cisco IOS XE Release 3.7(0)S, page 51
• Resolved Caveats—Cisco IOS XE Release 3.7(0)S, page 58
Open Caveats—Cisco IOS XE Release 3.7(4)S
This section documents the unexpected behavior that might be seen with the Cisco ASR 903 Router in
Cisco IOS XE Release 3.7(4)S.
• CSCtw92458
Symptom: IFM CC messages are leaked to unmatched encapsulation on that bridge domain (BD).
Conditions: This issue occurs when EVCs with different encapsulation are present on same BD.
Workaround: There is no workaround.
• CSCty63969
Symptom: Ping fails to remote MEP.
Conditions: This issue occurs when CFM is configured and a ping to remote MEP with packet size
greater than 1478 bytes is executed.
Workaround: There is no workaround.
• CSCua77688
Symptom: The router experiences remote CFM MEP flapping.
Conditions: Occurs when the router is connected via a CFM xconnect and the link is running a high
traffic rate.