Source note · SD-WAN considerations for voice
FEC Adaptive sends FEC information only when detected loss exceeds the packet-loss threshold, while FEC Always sends it with every transmission.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Cisco Catalyst SD-WAN
- Subsystem
- loss correction
- Deployment
- sd-wan-controller-mode
- Region
- not restricted
- Release range
- IOS XE Catalyst SD-WAN 17.x
- Checked
- 2026-09-24
Sources
- Cisco Catalyst SD-WAN Policies Configuration Guide, Cisco IOS XE Catalyst SD-WAN Release 17.x - Forward Error Correction — Cisco Systems · tier 2 current vendor documentation · FEC Adaptive / FEC Always options
Cite this note
APA
WarmTransfer. (2026, September 24). SD-WAN considerations for voice: source note sdwan-voice-fec-modes. WarmTransfer. https://warmtransfer.net/knowledge/claims/sdwan-voice-fec-modes
BibTeX
@misc{warmtransfer-claim-sdwan-voice-fec-modes,
title = {SD-WAN considerations for voice: source note sdwan-voice-fec-modes},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sdwan-voice-fec-modes},
note = {Source note sdwan-voice-fec-modes, checked 2026-09-24}
}