Cisco ASR 903 Release Notes page 68

Caveats in Cisco IOS XE 3.6S Releases
Conditions: Occurs following a network link flap when the routers ARP table contains entries for
next-hop neighbors connected over a router bridge domain interface.
Workaround: There is no workaround.
CSCty93985
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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.
CSCty97391
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Symptoms: The router drops traffic for approximately 9 milliseconds.
Conditions: Occurs on the active RSP following an HA switchover.
Workaround: There is no workaround.
CSCtz07388
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Symptoms: The router does not permit you to add an EFP interface to a split horizon group.
Conditions: Occurs after you make the following configuration changes:
–
–
Workaround: Configure 30 EFPs without a split horizon option, then apply the VPLS pseudowire
configuration. After applying the VPLS pseudowire configuration, you can add 32 EFPs to the split
horizon group.
CSCtz17176
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Symptoms: Layer 4 port range security ACLs do not function properly.
Conditions: Occurs when you apply port range security ACLs to an EVC interface.
Workaround: There is no workaround.
• CSCtz38119
Symptoms: The router does not complete a MAC address flush on the receiving side of a VPLS
pseudowire.
Conditions: Occurs when the router receives a layer 2 MAC withdrawal over a VPLS pseudowire.
Workaround: There is no workaround.
• CSCtz40131
Symptoms: The router does not classify traffic when using QoS ACLs.
Conditions: Occurs when you apply a QoS ACL using the range, lt, and gt operators.
Workaround: There is no workaround.
CSCtz45069
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Symptoms: The router displays CPU hog messages or crashes.
Conditions: Occurs under conditions in which the router or an interface module is not responding
and the interface module is in an improper state.
Workaround: There is no workaround; however the issue occurs very rarely.
CSCtz45898
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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
16
Configure 32 EFPs without a split horizon option to a bridge-domain interface.
Configure 2 VPLS pseudowires.
Chapter Restrictions and Caveats in Cisco IOS XE 3.6S Releases
OL-26630-08