Source note · SD-WAN considerations for voice

Most devices allow 6 user-configurable SLA classes plus 1 non-configurable default class. Some larger platforms allow more: 7 on ISR 4400 and 15 on 16 GB ASR 1001/1002 and Catalyst 8500.

Checked 2026-09-24

Vendor: Cisco
Product: Cisco Catalyst SD-WAN
Subsystem: application-aware routing
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 - Application-Aware Routing — Cisco Systems · tier 2 current vendor documentation · SLA class limits table

Cite this note

APA

WarmTransfer. (2026, September 24). SD-WAN considerations for voice: source note sdwan-voice-aar-sla-class-limit. WarmTransfer. https://warmtransfer.net/knowledge/claims/sdwan-voice-aar-sla-class-limit

BibTeX

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

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