Cisco ASR 900 Series Release Notes

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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter Restrictions and Caveats in Cisco IOS XE 3.6S Releases
Caveats in Cisco IOS XE 3.6S Releases
– The configuration contains 48 EFPs with 24 EFPs in a given bridge domain
– SSM is enabled on the local and a remote router
– The router sends an IGMP join to a single multicast group.
Workaround: There is no workaround.
• CSCty87424
Symptoms: The router experiences a drop in forwarded packets on an MLPPP bundle.
Conditions: Occurs when the bundle is using 64% or more of the available bandwidth and an MTU
value is configured on the bundle.
Workaround: There is no workaround.
• CSCty90425
Symptoms: The router crashes and reboots.
Conditions: Occurs when you perform a longevity test with traffic soaking while using Ethernet
features such as EoMPLS, VPLS, CFM, or Y1731.
Workaround: There is no workaround.
• CSCty92979
Symptoms: The router loses ARP table entries after a network link flaps.
Conditions: Occurs following a network link flap when the router’s ARP table contains entries for
next-hop neighbors connected over a router bridge domain interface.
Workaround: There is no workaround.
• CSCty93985
Symptoms: Egress QoS policies do not take effect on an EFP interface.
Conditions: Occurs when you apply an egress QoS policy to an interface configured with more than
37 EFPs.
Workaround: There is no workaround.
• CSCty94081
Symptoms: The router displays an EgBridgeError_0 error when sending multicast traffic.
Conditions: Occurs in the following conditions:
– There are 40 bridge domain interfaces (BDIs) sending IGMP joins to a single multicast group.
– There are more than 40 OIFs and 24 EVCs in each bridge domain.
Workaround: There is no workaround.
• CSCty94437
Symptoms: The router crashes during RSP switchover or bootup.
Conditions: Occurs when L2VPN services are passing bidirectional traffic on the router and you
perform a reload or RSP switchover.
Workaround: There is no workaround.
• CSCty96326
Symptoms: The router crashes.
Conditions: Occurs during bootup when the router is running BFD and CFM sessions that are
offloaded to hardware.

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English