.. index:: pair: group; The parntner reaction to link status changes of iut_port
.. _doxid-group__usecases-link__up__down:

The parntner reaction to link status changes of iut_port
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.. toctree::
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The parntner reaction to link status changes on **iut_port**

Check how the parntner reacts to link status changes of **iut_port**

#. Initialize EAL and start the **iut_port**

#. Wait for interface to become UP on Tester side

#. Make sure statuses on **tst_if** and **iut_port** realy are "up"

#. Link down the **iut_port**

#. Link up the **iut_port**

#. Wait for interface to become UP on Tester side

#. Make sure statuses on **tst_if** and **iut_port** realy are "up"