Cisco Catalyst SD-WAN Systems and Interfaces Configuration Guide, Cisco IOS XE Catalyst SD-WAN Release 17.x - Cisco Unified Border Element

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/routers/sdwan/17-x/systems-interfaces/systems-interfaces-guide-17-x/cisco-unified-border-element.html

Published

2026-07-09

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

Cisco documentation; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• The SD-WAN CUBE chapter lists acting as a local gateway for the Bring Your Own PSTN (BYoPSTN) option of Cisco Webex Calling as a supported CUBE use case, alongside Webex Meetings Edge Audio. in context
• High-availability configuration is not supported for CUBE on Cisco IOS XE Catalyst SD-WAN devices. in context
• The SD-WAN CUBE chapter lists supported devices including Cisco 1000 and 4000 Series ISRs, Catalyst 8200 and 8300 Series Edge Platforms, Catalyst 8000V, and ASR 1001-X, 1002-X, 1004, 1006 and 1006-X routers. in context
• The supported CUBE command list for SD-WAN includes TLS commands (voice class tls-profile, transport tcp tls, secure-ciphersuite), SRTP commands (srtp, voice class srtp-crypto) and media-address voice-vrf. in context
• CUBE functionality on Cisco IOS XE Catalyst SD-WAN devices is supported from IOS XE Catalyst SD-WAN 17.7.1a with vManage 20.7.1, and is configured through device CLI templates or CLI add-on feature templates. in context
• Secure SRST support in the SD-WAN CUBE and voice chapter arrived in IOS XE Catalyst SD-WAN 17.10.1a with vManage 20.10.1. in context
• IOS XE Catalyst SD-WAN 17.14.1a with Manager 20.14.1 added voice and SIP-UA command support for more ciphers and transports, and SRST command support for secure HTTP and TLS transport. in context
• In controller mode, the Webex Calling LGW configuration (trustpool import, voice class tenant, SIP TLS and SRTP settings) has to be delivered as device CLI or CLI add-on templates from SD-WAN Manager rather than typed on the router, and every command must be on the qualified list. inferred in context

Cite this source record

APA

WarmTransfer. (2026, July 9). Cisco Catalyst SD-WAN Systems and Interfaces Configuration Guide, Cisco IOS XE Catalyst SD-WAN Release 17.x - Cisco Unified Border Element. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-sdwan-sysif17-cube

BibTeX

@misc{warmtransfer-cisco-sdwan-sysif17-cube,
  title  = {Cisco Catalyst SD-WAN Systems and Interfaces Configuration Guide, Cisco IOS XE Catalyst SD-WAN Release 17.x - Cisco Unified Border Element},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-sdwan-sysif17-cube},
  note   = {Cisco Systems, accessed 2026-09-24}
}