Source note · IPv6 for voice and UC platforms
RFC 6889 identifies referrals as a NAT64 hazard: when a node on the IPv4 side passes the other endpoint's address to a node that cannot reach the NAT64, the referred connection fails.
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- NAT64
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 6889
- Checked
- 2026-10-02
Sources
- RFC 6889: Analysis of Stateful 64 Translation — IETF / RFC Editor · tier 1 standards and regulators · Section 2.2, item 5
Cite this note
APA
WarmTransfer. (2026, October 2). IPv6 for voice and UC platforms: source note ipv6-voice-rfc6889-referral-problem. WarmTransfer. https://warmtransfer.net/knowledge/claims/ipv6-voice-rfc6889-referral-problem
BibTeX
@misc{warmtransfer-claim-ipv6-voice-rfc6889-referral-problem,
title = {IPv6 for voice and UC platforms: source note ipv6-voice-rfc6889-referral-problem},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ipv6-voice-rfc6889-referral-problem},
note = {Source note ipv6-voice-rfc6889-referral-problem, checked 2026-10-02}
}