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Jumbo Frame (MTU 9000) ใน linux ทำเพื่ออะไร
Jumbo Frame (MTU 9000)
The RPN network support Jumbo Frames, this means you can configure your network adapter with MTU 9000.
The performance gain can reach up to 20% on resource-intensive applications such as iSCSI, NFS, and DRDB.
To know your current MTU you need to type:
#ifconfig eth2 | grep MTU
(https://documentation.online.net/_media/en/dedicated-server/tutorials/network/online-dedibox-rpn-ifconfig-grep-mtu.png?w=700&tok=99b3e4)
Modification of the MTU to 9000
Linux
=== Debian / Ubuntu ===
In the file /etc/network/interfaces you need to add
auto eth2
iface eth2 inet dhcp
mtu 9000
and type
#ifup eth2
or
#/etc/init.d/networking restart
=== Centos ===
In the file /etc/sysconfig/network-scripts/ifcfg-ethX you need to add (X = the number of the interface)
MTU="9000"
and restart the network
#service network restart
Windows
To modify the MTU in Windows, we recommend the following software which makes the change very easy: http://www.clubic.com/telecharger-fiche305576-tcp-optimizer.html
> Launch the software
> Click on "Custom"
> In "Network adaptater selection" select the network adapter of the RPN
> Change the MTU value to 9000
> Click on "Apply change"