Tag Archives: network configuration

Centos Network Configuration – on a Barebones from Command Line

Centos network configuration – is very simple on a full installation. However, I downloaded the Centos’ “Minimal Install” cd and used yum to install various packages I needed. The simple way to do it if you have a standard installation is to use the Network Administration Tool (system-config-network), which is a graphical interface to edit the configuration files. Since I haven’t installed this tool, I needed to edit the files manually. How to Configure Network in …

Troubleshoot a Slow Computer Network – Only One Computer on the Network is Slow

Only One Computer on the Network is Slow Client Computer Network Mask Wrongly Configured Your network is a class C network, (net-mask 255.255.255.0), and your client computer has its IP address configuration on a class B network, (255.255.0.0). Change the network mask of the client to match the network configuration. Poor network cards Bad network cards or bad drivers are very often the reason for poor transfer rates. Test the transfer rate with a different network card. An outdated computer …

Troubleshoot a Slow Network – The entire Network is Slow

… cascaded device is not connected on two ports on the wall, (usually the ports on the wall go to the network room). Your cascaded switch makes a loop into the upper level switch. Bad network configuration DNS issues can cause a lot of slowdowns. One common error is to use your ISP’s DNS server inside your Active Directory network. Your Active Directory computer members will try to resolve internal names by querying your ISP’s DNS. Those records don’t exist outside of your …