7
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Chapter Restrictions and Caveats in Cisco IOS XE 3.6S Releases
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
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
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:
–
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.
• CSCty51990
Symptoms: The router may crash or restart; the console displays a SW_WDOG: expired message.
Conditions: Occurs under the following conditions:
–
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.
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
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
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.
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