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Cisco Bug: CSCum63074 - ASR9k interop with ALU - VCCV ping fails with control-word and ttl

Last Modified

Aug 08, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

From Cisco Node, VCCV ping may timeout using control-word, and ttl when target is not Cisco node.

Affects XR 4.3.1 - XR 5.1.1

Cisco Node -----> Non-Cisco Node
             VCCV ping (Control word or TTL)

Must have Control word and ttl are in the negotiated CC types of the pseudowires.

i.e. On the Cisco node user uses one of the following (mpls keyword is optional):
ping [mpls] pseudowire 1
ping [mpls] pseudowire 1 force-control-channel control-word
ping [mpls] pseudowire 1 force-control-channel tll-expiry
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