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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
Workaround: Reload the interface module with the IMA configuration.
• CSCtz43467
Symptoms: Not All CLI’s listed under the REP configuration modes are allowed. For e.g The
following configurations are allowed but will not work. 1) REP does not work on BDI. 2) More than
1 source ports in a span session.
Conditions: Seen all the time.
Workaround: No workaround
• CSCtz65778
Symptom: The control plane goes down with VPNv6 traffic.
Conditions: Occurs with 64-byte VPNv6 traffic. The issue only occurs for small, tunnelled packets.
Workaround: There is no workaround.
• CSCtz87775
Symptoms: An interface on the OC-3 interface module does not become active.
Conditions: Occurs when you change the interface mapping between au-4 and au-3 when changing
an interface between T1 and E1 operation.
Workaround: Perform a soft OIR on the interface module.
• CSCua16492
Symptoms: Some IPv6 multi-hop BFD over BGP sessions flap.
Conditions: Occurs on port-channel interfaces running IPv6 multi-hop BFD over BGP sessions
after you perform an SSO.
Workaround: There is no workaround.
• CSCua35446
Symptoms: gig 0/5/0 interface displayed in PRIME software.
Conditions: System being up.
Workaround: No workaround.
• CSCua37816
Symptoms: "DHCP_SNOOP: Failed sending packet out of BD" errors on standby.
Conditions: DHCP snooping enabled with asr903 as relay with HA system.
Workaround: No workaround. Wont be seen on standalone system.
• CSCua46443
Symptoms: Y1731 frames were received and forwarded by STP blocked port and hence database is
corrupted.
Conditions: When 2 or more interfaces are there b/n the devices and only one is forwarding and
remaining blocked by STP.
Workaround: None.
• CSCua49623
Symptoms: CEM interface becomes inaccessible
Conditions: When same channel-group number and cem-group number is used for overlapping
timeslots this issue is hit
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