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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Caveats in Cisco IOS XE 3.9S Releases
Conditions: This issue occurs when software BFD is configured with static client; and IM OIR or
reload is performed.
Workaround: Use manual ping.
• CSCug91295
Symptom: UDP based ACLs do not work after a router reload.
Conditions: This issue occurs after reload.
Workaround: Remove and add the ACL.
• CSCug96958
Symptom: Inverse Multiplexing for ATM (IMA) interfaces stay up even when you use the
shutdown command to shut down the controller.
Conditions: This issue is observed when you use the shutdown command on the OC-3 controller.
Workaround: Use the no shutdown command bring up the controller and interfaces.
• CSCug97639
Symptom: IPv4 VRF ping fails when disabling IPv6 unicast-routing globally.
Conditions: This issue occurs when IPv6 unicast-routing is disabled.
Workaround: Enable IPv6 unicast-routing
• CSCug99750
Symptom: The Cisco ASR 903 Router crashes when it accesses unpopulated data structures.
Conditions: This issue is observed when you perform an IM OIR and use the shutdown and no
shutdown commands.
Workaround: There is no workaround.
• CSCuh00343
Symptom: Node runs out of memory if node has more 1K pseudowires. Pseudowire can be either
Ethernet over MPLS (EoMPLS) or Virtual Private LAN Services (VPLS).
Conditions: Access instability cause these memory leaks. If network is stable then chances of
observing this issue is minimal.
Workaround: There is no workaround.
• CSCuh06740
Symptom: Router gets reloaded after performing a soft OIR.
Conditions: This issue is observed after you perform a soft OIR or subsequent SSOs.
Workaround: There is no workaround.
• CSCuh16011
Symptom: FMAN-FP crashes when you perform ab IM OIR.
Conditions: This issue is observed when you perform multiple IM OIRs with around 65 BFD
sessions.
Workaround: Reload the router.
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