How to permanently change MTU on eth1 and pnet1 to jumbo?

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techman0615
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Joined: Wed Nov 18, 2020 7:39 pm

How to permanently change MTU on eth1 and pnet1 to jumbo?

Post by techman0615 » Tue May 24, 2022 11:17 pm

So, I deployed the OVF type of eve-ng and the most recent version yesterday. I was able to do this in my iso deployment years ago, meaning able to change the MTU to 9000 for both eth1 and pnet1 permanently and now I cannot figure this out in /etc/network/interfaces. I can get this command to work <ip link set mtu 9000 eth1> & <ip link set mtu 9000 pnet1> since eth1 and pnet1 and cloud1 all map together, but obviously this clears on reboot. I added a screenshot to show the interfaces on eve-ng VM. I need jumbo to support Geneve for NSX-T lab. I did search this forum and someone ask a similar question, but the answer was vague and seemed like it was not jumbo to a Cloud/external connection, more internal. Is it possible to show me an example config in the interfaces file. Thanks in advance for any help!
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lboisseau
Posts: 2
Joined: Fri Oct 07, 2022 2:00 pm

Re: How to permanently change MTU on eth1 and pnet1 to jumbo?

Post by lboisseau » Fri Oct 07, 2022 2:33 pm

Hello,

answer provided in this POST : viewtopic.php?f=3&t=20625

HTH

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