Cisco ASR 903 Release Notes

27
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Caveats in Cisco IOS XE 3.9S Releases
Workaround: No workaround
Further Problem Description: With only Gigabit Ethernet interfaces this problem is not seen. Only
when we have TDM interface we see the problem.
• CSCue63229
Symptoms: IMA interfaces flap frequently every 15–30 minutes. The issue does not occur on
member links.
Conditions: Occurs when you increase the number of member links in the IMA group to 16.
Workaround: There is no workaround.
• CSCue65149
Symptoms: When changing the interval in evc bd offload cases(scale) getting OBJ messages.
Conditions: First configure the 3.3ms interval and meps after that removed the meps,domain and
configure 10ms interval and meps will hit this issue.
Workaround: Configure very less session
• CSCue66019
Symptoms: output errors will be seen on mlppp interfaces.
Conditions: With 90% and above Line rate traffic with mix MTU patterns (IMIX), output errors will
be seen on the mlppp interface.
Workaround: No. The issue is seen for IMIX pattern traffic with 90% & above Line rate traffic.
• CSCue67245
Symptoms: MFIB counters for some of the (S,G) are not updated on ASR903
Conditions: Is seen when we scale the number of Sources. Issue is seen for 2000 sources joining 1
group. No impact to traffic
Workaround: There is no workaround.
• CSCue67267
Symptoms: High Traffic drop seen on SSO Double dip seen on SSO
Conditions: Issue is seen occassionally (one in 5 iterations) on ASR903 with MVPN scale setup.
Workaround: There is no workaround.
• CSCue67995
Symptoms: Nile manager crashes while flapping mpls enabled interface on the peer end nodes.
Conditions: 6K routes L3VPN routes and 600 L2VPN sessions with flaps can crash nile manager
of ASR903 at uea_untyped_dqueue_remove_elem
Workaround: No workaround
• CSCue70575
Symptoms: Kernel crash is observed
Conditions: On reload kernel crash is seen
Workaround: There is no workaround.
• CSCue72481
Symptoms: IP address and Meps accepting in the same interface
Conditions: configured the IP address and Port mep accepting in the same interface.

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