LAN
MEPIS should work automatically in a LAN environment, including LAN connected Cable Modems.
DSL
MEPIS works with some DSL providers and not with others.
WiFi
MEPIS works with most WiFi cards. Some people with Broadcom chips may experience problems. The Broadcom chips are sometimes used by Apple, Belkin, Dell, Fujitsu, Gateway, Compaq, and Linksys.
Modems
MEPIS includes builtin support for many modems including some popular WinModems.
Dialup ISPs
Dialup ISP configuration is very similar to MS-Windows.
Linux is not compatible with ISPs that require special MS-Windows software when connecting to their network. This includes AOL and NetZero.
MS Networking Neighborhood
MEPIS is compatible with MS Networking and can operate as a member of a MS Workgroup, but the MS network must use TCPIP, not NetBEUI.
Some users have reported problems logging into Win2K boxes from MEPIS. This is probably a configuration issue.