Example Analysis of mtu Settings such as Virtual Machine Network Card and Bridge in openstack

Xiaobian to share with you the openstack virtual machine network card, bridge and other mtu settings example analysis, I hope you have read this article after the harvest, let us discuss it together!

vim /usr/lib/python2.7/site-packages/nova/network/linux_net.py

Fig. 1

View VM 2 NIC:

View host linux bridge:

See separately which devices mtu works by modifying the nova/network code in Figure 1:

This means that if the code in Figure 1 sets the mtu value, then the mtu values on tap, qbr, qvb, and qvo will be set to the corresponding values at the same time.

Validation is complete.

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