Packet duplication arrived in IOS XE SD-WAN 16.12.1b. In 17.15.1a it gained large packets (via underlay fragmentation) and IPv6 traffic types.

Checked 2026-09-24

Vendor
Cisco
Product
Cisco Catalyst SD-WAN
Subsystem
loss correction
Deployment
sd-wan-controller-mode
Region
not restricted
Release range
16.12.1b and later
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). SD-WAN considerations for voice: source note sdwan-voice-packet-dup-release. WarmTransfer. https://warmtransfer.net/knowledge/claims/sdwan-voice-packet-dup-release

BibTeX

@misc{warmtransfer-claim-sdwan-voice-packet-dup-release,
  title  = {SD-WAN considerations for voice: source note sdwan-voice-packet-dup-release},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sdwan-voice-packet-dup-release},
  note   = {Source note sdwan-voice-packet-dup-release, checked 2026-09-24}
}

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