"Cablevision's new Optimum Online business-class cable modem
service has technical shortcomings that will frustrate many
solution providers, according to CRN Test Center engineers. But
there is a workaround."
"Cablevision's nonstandard implementation of TCP/IP routing
might cause problems with Linux, Solaris and other operating
systems that adhere to TCP/IP stack standards. The Microsoft TCP/IP
stack used in Windows 9x/NT overcomes the problem by relying on the
Address Resolution Protocol (ARP) to contact gateways on the local
"To work around these issues, either a Microsoft operating
system or a third-party hardware solution must be implemented. The
CRN Test Center overcame the NetWare incompatibility by installing
a Linksys Etherfast Cable Router. The Linksys received TCP/IP
information from Cablevision's DHCP server and provided a static IP
address and default Gateway address for the NetWare server."