Cisco warns that editing a route filter shared by hundreds of route patterns can cause a system core crash, and recommends creating duplicate route filters instead.
Checked 2026-09-30
A system core crash could result if you were to edit a route filter that has hundreds of associated route patterns.
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- route filters
- Deployment
- on-premises
- Region
- not restricted
- Release range
- 15 and SUs
- Checked
- 2026-09-30
Sources
- System Configuration Guide for Cisco Unified Communications Manager Release 15 and SUs - Configure Call Routing — Cisco · tier 2 current vendor documentation · Configure Call Routing > Call Routing Restrictions
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting Unified CM call routing failures and reorder tone: source note cucm-call-routing-failures-route-filter-crash-warning. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-call-routing-failures-route-filter-crash-warning
BibTeX
@misc{warmtransfer-claim-cucm-call-routing-failures-route-filter-crash-warning,
title = {Troubleshooting Unified CM call routing failures and reorder tone: source note cucm-call-routing-failures-route-filter-crash-warning},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-call-routing-failures-route-filter-crash-warning},
note = {Source note cucm-call-routing-failures-route-filter-crash-warning, checked 2026-09-30}
}