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Cisco Bug: CSCsz17775 - MCP IPv6 Conformance: MCP not sending NS after DELAY_FIRST_PROBE_TIME

Last Modified

Jan 29, 2017

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

12.2(33)XNA 12.2XN

Description (partial)

Symptom: Router is not sending Neighbor Solicitation (NS) after DELAY_FIRST_PROBE_TIME, after the usual exchange of packets.
Conditions: This happens every time when the NS and Echo Request from a neighboring node is responded with Neighbor Advertisement (NA) and Echo Reply by the router. According to RFC 4861, after DELAY_FIRST_PROBE_TIME seconds of the last Echo Reply sent by the router, it should initiate an NS.
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