Cisco ASR 900 Series Release Notes

20
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Caveats in Cisco IOS XE 3.7S Releases
• 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.
• CSCuh27117
Symptom: Traffic loss of about six to eight seconds is observed when you perform an SSO.
Conditions: This issue is observed when you perform the switchover before IM OIR or the interface
flaps.
Workaround: There is no workaround
• CSCuh77762
Symptom: The TenGigabitEthernet port operates at one gigabit speeds in WAN-PHY mode on
Cisco ASR 903 Routers. This leads to a huge amount of output drop.
Conditions: This issue is observed if a QoS policy is configured on the TenGigabitEthernet
interface.
Workaround: There is no workaround.
• CSCuh86102
Symptom: The interface stops forwarding traffic.
Conditions: This issue is observed when the TenGigabitEthernet interface is in WAN-PHY mode
and R0 is active.
Workaround: Use R1
• CSCuh92939
Symptom: Replacing the copper SFP with SFP causes traffic drop after SSO is performed
Conditions: This issue occurs after replacing the copper SFP with the fiber SFP.
Workaround: Perform an IM OIR.
• CSCuh94841
Symptom: 10 Gigabit Ethernet interface flaps without trigger causing traffic to switch to protected
label-switched path (LSP).
Conditions: This issue occurs when the script is run for continuous SSO.
Workaround: There is no workaround.
• CSCui08978
Symptom: Crash observed on the router.
Conditions: This issue occurs when shutdown followed by a no shutdown is performed on the
physical interfaces.
Workaround: There is no workaround.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English