# After the Onos connects to the p4 switch, there is a problem that the device is not online. This is the configuration file I wrote to the Onos

**URL:** <https://forum.p4.org/t/after-the-onos-connects-to-the-p4-switch-there-is-a-problem-that-the-device-is-not-online-this-is-the-configuration-file-i-wrote-to-the-onos/536>\
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**Created:** [November 17, 2022, 1:15pm UTC](https://forum.p4.org/t/after-the-onos-connects-to-the-p4-switch-there-is-a-problem-that-the-device-is-not-online-this-is-the-configuration-file-i-wrote-to-the-onos/536 "2022-11-17T13:15:30Z")\
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**Author:** ![DavideS](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.p4.org/davides/32/120_2.png) [@DavideS](https://forum.p4.org/u/DavideS)\
**Post date:** [November 17, 2022, 1:35pm UTC](https://forum.p4.org/t/after-the-onos-connects-to-the-p4-switch-there-is-a-problem-that-the-device-is-not-online-this-is-the-configuration-file-i-wrote-to-the-onos/536/2 "2022-11-17T13:35:20Z")

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@lq1

there is a similar thread here, please take a look [ONOS+Stratum+P4 - #3 by DavideS](https://forum.p4.org/t/onos-stratum-p4/531/3)

Best  
Davide

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_[View the full topic](https://forum.p4.org/t/after-the-onos-connects-to-the-p4-switch-there-is-a-problem-that-the-device-is-not-online-this-is-the-configuration-file-i-wrote-to-the-onos/536)._