# Nvidia Mellanox , Cumulus Linux 5.5 Error

**URL:** <https://forums.developer.nvidia.com/t/nvidia-mellanox-cumulus-linux-5-5-error/262402>\
**Category:** Mellanox OFED\
**Tags:** boot\
**Created:** [August 8, 2023, 9:34am UTC](https://forums.developer.nvidia.com/t/nvidia-mellanox-cumulus-linux-5-5-error/262402 "2023-08-08T09:34:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![newuser1999](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@newuser1999](https://forums.developer.nvidia.com/u/newuser1999)\
**Post date:** [August 8, 2023, 9:34am UTC](https://forums.developer.nvidia.com/t/nvidia-mellanox-cumulus-linux-5-5-error/262402/1 "2023-08-08T09:34:38Z")

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I am Configuring a Nvida Mellanox switch using cumulus linux 5.5 and when I try to up a port for e.g swp1 using ifup swp1 it says main exception: cannot find interfaces swp1, it goes up by using ifconfig but not by ifup and I cant ping the connection.

Any help please  
Regards