Cisco ASR 903 Release Notes

14
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Chapter
Caveats in Cisco IOS XE 3.8S Releases
–Remove the ethernet cfm global command and re-apply it after the port-channel member links
recover.
–Configure PTP clock synchronization.
• CSCud38589
Symptom: DMM session stops working.
Conditions: This issue occurs when DMM is configured on bridge domain UP MEP, with redundant
links on the Core side, which are in STP Forwarding or blocked state. The issue is observed when
the STP forward port is shut.
Workaround: Restart the IP SLA session or unshut the port and bring it forward state.
• CSCud44942
Symptom: Remote MEPS are not learnt for port MEPs.
Conditions: This issue occurs when we configure any EFP on the interface, which has port-me
configurations, causing the port MEP to stop working.
Workaround: There is no workaround.
• CSCud48298
Symptom: The Cisco ASR 903 dataplane fails on bootup of the CEM PW after a switchover is
performed.
Conditions: This issue occurs after a switchover is performed.
Workaround: There is no workaround.
CSCud50944
Symptom: The router drops traffic on an MLPPP bundle.
Conditions: This issue occurs following a reload while the router is passing traffic close to the line
rate. The issue occurs less frequently with lower traffic rates.
Workaround: Issue a shutdown/no shutdown on multilink interface.
• CSCud64034
Symptom: The T1 interfaces do not come up after a SSO.
Conditions: This issue occurs under the following conditions:
–Configure T1 interfaces and verify that they come up
–Perform an SSO
–Verify the interfaces and check for traffic flowing through the interfaces
–Unconfigure T1 interfaces.
–Reload the standby RSP
–Configure T1 interfaces. The T1 interfaces do not come up.
Workaround: Perform an IM OIR on the router.
• CSCud76770
Symptom: Convergence time for FRR link or node protection is more than 2 seconds.
Conditions: This issue occurs when NNHOP backup tunnels are configured in a ring topology.
Workaround: There is no workaround.
• CSCud76957

Cisco ASR 903 Specifications

General

Form Factor	Modular
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5% to 95% non-condensing
Redundancy	Yes, redundant power supplies and route processors
Operating System	Cisco IOS XE
Power Supply	AC or DC
Switching Capacity	240 Gbps
Operating Temperature	-40°C to 65°C (-40°F to 149°F)
MTBF	200, 000 hours
Supported Protocols	IPv4, IPv6, MPLS, L2VPN, L3VPN
Interfaces	Gigabit Ethernet, 10 Gigabit Ethernet, T1/E1