Tungsten Fabric known limitations

This section contains a summary of the Tungsten Fabric upstream features and use cases not supported in MOSK, features and use cases offered as Technology Preview in the current product release if any, and known limitations of Tungsten Fabric in integration with other product components.

Feature or use case



Tungsten Fabric web UI

Provided as is

MOSK provides the TF web UI as is and does not include this service in the support Service Level Agreement

Automatic generation of network port records in DNSaaS (Designate)

Not supported

As a workaround, you can use the Tungsten Fabric built-in DNS service that enables virtual machines to resolve each other names

Secret management (Barbican)

Not supported

It is not possible to use the certificates stored in Barbican to terminate HTTPs on a load balancer in a Tungsten Fabric deployment

Role Based Access Control (RBAC) for Neutron objects

Not supported

Advanced Tungsten Fabric features

Provided as is

MOSK provides the following advanced Tungsten Fabric features as is and does not include them in the support Service Level Agreement:

  • Service Function Chaining

  • Production ready multi-site SDN

  • Layer 3 multihoming

  • Long-Lived Graceful Restart (LLGR)

Technical Preview


Monitoring of tf-rabbitmq

Not supported

Due to a known issue, tf-rabbitmq is not monitored on new MOSK 22.5 clusters. The existing clusters updated to MOSK 22.5 are not affected.