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Cisco Bug: CSCuq63668 - CGN-6RD: For IPv4 packet with Inner IPv6 TTL <= 1, ICMP generation fails

Last Modified

Jun 07, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

4.3.3.BASE

Description (partial)

Symptom:
If a host behind an RG sends a V6 packet with hop-count set to 1 or less, it will not receive an ICMP back (TTL expiry)

Conditions:
A host sending IPv6 packet with hop-count set to 1 or less
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  • Status
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