Defining an NSAP Address Which Contains an Embedded IP Address

The ClearPath MCP OSI product has been enhanced for releases 45.1 and later to enable you to specify an IP address inside of an OSI NSAP address. This capability is made available in accordance with the following RFC document:

RFC 1888OSI NSAPs and IPv6 August 1996

The format of the RFC 1888 NSAP address is as follows:

35000000000000000000000000FFFF<IPv4 address>00

where <IPv4 address> is a hexadecimal representation of each of the four nodes of the IP address.

For example, the IP address 192.59.226.41 is encoded as C03BE229. The resulting NSAP address would be as follows:

35000000000000000000000000FFFFC03BE22900

If an NSAP address with RFC 1888 format is specified in a network address pair, the IP address contained in the network address pair always takes precedence over the IP address embedded in the NSAP address.

If you use NSAP addresses with RFC 1888 format in OSI endpoint definitions, you cannot specify a local IP address to use on outbound connection establishment unless you also configure a corresponding network address pair specifying the RFC 1888 format NSAP address as allowed by the ADD NETWORKADDRESSPAIR command.

You also cannot specify a domain name if you use RFC 1888 format.