Cisco ASR 903 Release Notes page 67

Chapter Restrictions and Caveats in Cisco IOS XE 3.6S Releases
Workaround: There is no workaround.
CSCty51257
•
Symptoms: The T1/E1 interface module changes to inserted state during an in-service software
upgrade (ISSU), causing the interface to fail and the router to generate a core file.
Conditions: Occurs when you perform an in-service software upgrade (ISSU) on a router with a
T1/E1 interface module.
Workaround: Issue the shutdown command on the interface module before beginning ISSU; after
ISSU is complete, issue the no shutdown command on the interface module.
• CSCty57746
Symptoms: On the Cisco ASR 903 router, the show environment command displays incorrect
values, including P0 and P1 voltages and Amps values.
Conditions: This symptom is observed with the Cisco ASR 903 router when you apply the show
environment command.
Workaround: There is no workaround.
• CSCty60908
Symptoms: The ASR 903 crashes and creates a core file.
Conditions: Occurs when the remote PE device is reloaded and an application such as VPLS or
EoMPLS is running over MPLS TE FRR.
Workaround: There is no workaround.
• CSCty61660
Symptoms: The Cisco ASR 903 Router displays a core dump file.
Conditions: Occurs when the remote PE device is reloaded while running VPLS-TP.
Workaround: There is no workaround.
CSCty71837
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Symptoms: Ping does not work properly when traversing a BDI interface.
Conditions: Occurs when you configure MPLS on a BDI interface and ping packets are
encapsulated in an MPLS header.
Workaround: There is no workaround.
CSCty72251
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Symptoms: The router drops traffic following a reload.
Conditions: Occurs when you reload the router while running a VRF configuration.
Workaround: Remove the configuration, reload the router, and re-apply the configuration.
CSCty72901
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Symptoms: Some CEM groups do not function correctly.
Conditions: Occurs when you configure more than 336 CEM groups on the T1/E1 or OC-3 interface
module.
Workaround: There is no workaround; avoid configuring more than 336 CEM groups.
CSCty92979
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Symptoms: The router loses ARP table entries after a network link flaps.
OL-26630-08
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
Caveats in Cisco IOS XE 3.6S Releases
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