PowerProtect: How to modify the default MTU for docker-containers in PPDM NAS Proxy
Summary: How to modify the default MTU 1500 for docker-containers in PPDM NAS Proxy to a different value(1400)
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Instructions
To modify the default MTU from 1500 for docker-containers in PPDM NAS Proxy, follow these steps:
Log in as "admin" and change to "root" on the NAS Proxy or protection engine machine.
1) Edit file /usr/lib/systemd/system/docker.service
2) Modify the following line.
3) Add MTU=1400 to the network.service
4) Run the command systemctl daemon-reload
5) Run the command systemctl restart docker.server
Log in as "admin" and change to "root" on the NAS Proxy or protection engine machine.
1) Edit file /usr/lib/systemd/system/docker.service
2) Modify the following line.
ExecStart=/usr/bin/dockerd --add-runtime oci=/usr/sbin/docker-runc $DOCKER_NETWORK_OPTIONS $DOCKER_OPTS --mtu=1400
2) Update the eth0 and eth1 MTU to 1400 by running.
ifconfig eth0 mtu 1400
ifconfig eth1 mtu 1400
3) Add MTU=1400 to the network.service
4) Run the command systemctl daemon-reload
5) Run the command systemctl restart docker.server
Article Properties
Article Number: 000215307
Article Type: How To
Last Modified: 02 Oct 2023
Version: 2
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