TCP/IP routing functions by release

Before you plan to use a routing function, make sure that your system is at the correct release to support the function that you want to perform.

V3R1: Static route-based packet forwarding

V3R7/V3R2: Serial Line Internet Protocol (SLIP), Proxy Address Resolution Protocol (ARP) routing, and unnumbered connection network support

V4R1: Dynamic Routing Information Protocol Version 1 (RIPv1)

V4R2: Dynamic Routing Information Protocol Version 2 (RIPv2), transparent subnetting, and duplicated route-based load-balancing

V4R3: Virtual IP addresses, IP address masquerading, network address translation (NAT), and Classless Inter-Domain Routing (CIDR)

V4R4: IP over OptiConnect

V5R4: Preferred interface list

V6R1: Open Shortest Path First (OSPF) routing protocol and virtual IP address support for IPv6 addresses