Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - High Availability on Cisco ASR 1000 and Cisco Catalyst 8000 Series Routers

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/voice/cube/ios-xe/config/ios-xe-book/m-cube-ha-asr.html

Published

2026-04-25

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

Cisco copyrighted documentation; no-redistribution; short excerpts and locators only

Source notes citing this source

• On ASR 1000, CUBE box-to-box redundancy is supported on ASR 1001-X, 1002-X, 1004, 1006 and 1006-X from IOS XE 3.11. in context
• On ASR 1000, CUBE box-to-box HA additionally requires the Firewall/NAT Stateful Inter-Chassis Redundancy license FLSASR1-FWNAT-R. in context
• The 17.6-onwards configuration guide lists CUBE inbox redundancy as supported only on the ASR 1006 router. disputed in context
• The ASR inbox redundancy example configures redundancy with mode sso and then saves with copy run start. in context
• An ASR 1006 supports both inbox and box-to-box redundancy but cannot switch between the two modes dynamically. in context

Cite this source record

APA

WarmTransfer. (2026, April 25). Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - High Availability on Cisco ASR 1000 and Cisco Catalyst 8000 Series Routers. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-cube-xe176-ha-asr

BibTeX

@misc{warmtransfer-cisco-cube-xe176-ha-asr,
  title  = {Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards - High Availability on Cisco ASR 1000 and Cisco Catalyst 8000 Series Routers},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-cube-xe176-ha-asr},
  note   = {Cisco Systems, accessed 2026-09-25}
}