MRTG: error for eth0

WARNING: Problem with External get ‘/etc/mrtg/system network eth0

Solution:

vi /etc/mrtg/mrtg.cfg

find eth0 and change eth0 to eth1

then restart mrtg

HR-ADMIN

1. cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth0:1 2. In /etc/sysconfig/network-scripts/ifcfg-eth0:1 change DEVICE=eth0 to DEVICE=eth0:1 3. In /etc/sysconfig/network-scripts/ifcfg-eth0:1 modify IPADDR= to match the additional TCP/IP address you wish to use. 4. Start the secondary interface: ifup eth0:1

Eth0 : Duplex Settings

Using Ethtool we can set it as follows. # ethtool -s eth0 speed 100 duplex full # ethtool -s eth0 speed 10 duplex half mii-tool eth0 ethtool eth0 yum install ethtool net-tools up2date ethtool net-tools apt-get install ethtool net-tools

eth0:1 SIOCSIFADDR: No such device

Issue :- The ifconfig command does not show the network interface (eg eth0), but may show a new one (eg em1) with only network-routing IP. Restarting ipaliases within the GuestOS with the command sudo /etc/init.d/ipaliases restart shows the error: root@server [/etc/sysconfig/network-scripts]# /etc/init.d/ipaliases restart UnRouting xxxxxxxx SIOCDELRT: No such device [FAILED]…