网络很慢mtu设置

[root@db-***** etc]# cat /etc/rc.local 
#!/bin/sh
#
# This script will be executed *after* all the other init scripts.
# You can put your own initialization stuff in here if you don't
# want to do the full Sys V style init stuff.

touch /var/lock/subsys/local
ifconfig eth0 mtu 1454
/opt/dbgateway/bin/dbgateway-manager -d start

　　netstatus -i