Cisco ASR 900 Series Release Notes page 65

Chapter Restrictions and Caveats in Cisco IOS XE 3.6S Releases
Conditions: Occurs when shaping is configured on class-default
Workaround: Configure shaping on user defined class
CSCtw76473
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Symptoms: The router displays packet drops on some VPLS pseudowire virtual circuits (VCs) on
the disposition side.
Conditions: Occurs under the following conditions: -The core network is running MPLS-TP tunnels
-There is an SSO switchover on the remote end or an LDP neighbor reset on the peer end.
Workaround: There is no workaround.
CSCty45463
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Symptoms: The router stops passing VPLS unicast traffic.
Conditions: Occurs after you reload the router while it is passing VPLS unicast traffic.
Workaround: Perform one of the following actions:
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CSCty51990
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Symptoms: The router may crash or restart; the console displays a SW_WDOG: expired message.
Conditions: Occurs under the following conditions:
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Workaround: There is no workaround.
• CSCty70119
Symptoms: Port shaper rate changes do not take effect.
Conditions: Occurs when QoS policies attached to EVCs on an interface do not include a shaper
configuration; the issue does not occur on EFP policies that include a shaper in a class.
Workaround: Include a shaper in one class of the EFP policy.
CSCtz20087
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Symptoms: The router applies the class-default QoS policy to all outgoing traffic.
Conditions: Occurs under the following conditions: -You configure multiple egress QoS policies on
a Gigabit Ethernet interface. -You configure a multilink interface with no ingress QoS policy
Workaround: There is no workaround.
CSCua10683
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Symptoms: The router performs an RSP switchover instead of a thermal shutdown.
Conditions: Occurs when the facility-alarm critical exceed-action shutdown command is in the
running configuration and some sensors go into a critical condition as indicated by the show
environment all or show facility-alarm status commands.
Workaround: There is no workaround.
OL-26630-12
Clear the mac-address table on the affected virtual circuit (VC)
Stop VPLS traffic until the MAC address table is cleared, then resume VPLS traffic.
The router is configured with 63 or more instances of a unique EVC configured with a unique
bridge domain interface (BDI).
The router is sending IGMP joins to one multicast group.
You perform a shutdown/no shutdown on the interface sending IGMP join messages.
You perform an OIR on the router.
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
Caveats in Cisco IOS XE 3.6S Releases
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