Arista has built the link qualification functionality utilizing the SAT engine. There will be 2 sides of the link, the generator port and the reflector port. The generator port will be put in generator mode and the reflector port will be put into reflector mode and then the test will be started on the generator port. Traffic will be transmitted on the generator port and reflected back to the generator port at the reflector port.

EOS 4.25.2F adds support for IS IS, OSPF and OSPFv3 Graceful Restart (GR) on unplanned software restarts for all