Cisco ASR 900 Series Release Notes page 232

Caveats in Cisco IOS XE 3.9S Releases
Conditions: Traceback seen when BFD is enabled and flapped the interface where IPv6
BGP/OSPFv3/BFD is already UP.
Workaround: No Workaround. This ddts fixes the traceback occurrence.
CSCub52657
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Symptoms: CPP object download failure messages are seen while creating BDI interface.
Conditions: The problem is seen when the user tries to configure the BDI interfaces exceeding the
platform limit. On asr903 RSP1A and RSP1B the maximum BDI interface limit is 256 and 1024
respectively. When user tries to exceed this limit the error message is seen as download failure on
the console, this is not a bug.
Workaround: Not to exceed the BDI interface limit set for the platform
CSCub55760
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Symptom: The router displays a Delay Measurement Message (DMM) delay value of 0.
Conditions: Occurs under the following conditions:
–
–
Workaround: Configure PTP synchronization before scheduling DMM.
CSCub59776
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Symptoms: Router seems hang post removal of startup-config and reload
Conditions: Router has no startup config present.
Workaround: The following dialogue was missing to appear on the console.
--- System Configuration Dialog ---
Would you like to enter the initial configuration dialog? [yes/no]: % Please answer 'yes' or 'no'.
Just type no, and start the configuration dialogue later.
CSCub60668
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Symptom: The router is unable to establish an OSPF session.
Conditions: Occurs when you enable an OSPF session over an MPLS TP tunnel.
Workaround: There is no workaround.
CSCub63072
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Symptom: MPLS convergence can be slower than expected.
Conditions: Occurs when the router switches to a backup MPLS path in the event of a network
failure.
Workaround: You can configure the following redundancy features to protect against network
failures:
–
–
–
CSCub63954
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Symptoms: Speed configurations are rejected. Error message appears on active
Conditions: HA - Box. Speed configurations are rejected
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
36
You configure an EVC down MEP on a port-channel interface.
You dynamically add a member link to a port-channel interface.
IPv4 Loop Free Alternate Fast Reroute (LFA FRR)
Border Gateway Protocol (BGP) Prefix-Independent Convergence (PIC)
MPLS Traffic Engineering (TE)--Fast Reroute (FRR) Link and Node Protection
OL-26630-12