Installation guide

SNA Protocol Support 20

Frame Relay

Eicon SNA Gateway supports the transport of SNA traffic over Frame Relay

(SNA/FR) connections. This allows Eicon Networks to support IBM products

that comply with RFC 1490, such as Advanced Communications Function/

Network Control Program (ACF/NCP) Version 7 Release 1 and

OS/400 Version 2 Release 3 for the AS/400.

Node Types 2.0 or 2.1 locally emulated on Eicon SNA Gateway can connect

to remote AS/400s or 3745s via Frame Relay networks.The following features

are supported with Eicon Networks’ implementation of SNA over Frame

Relay:

• Traffic originating from multiple nodes may be sent over the same virtual

circuit provided that each node uses a different SSAP-DSAP pair.

• SNA/FR may be installed on multiple Eiconcards in the same gateway. All

Eiconcard ports configured for Frame Relay can be used by SNA/FR.

• SNA/FR conforms to RFC 1490.

• SNA/FR can be used to transport any type of Logical Units (LUs) supported

by the 2.0 and 2.1 type nodes in Eicon SNA Gateway.

IBM AS/400

Frame Relay

Net work

3745

IBM Mainframe

Client Workstation

(SNA LAN Gateway only)

Gateway PC

Client Workstation

(SNA LAN Gateway only)

Client Workstation

(SNA LAN Gateway only)

Making SNA connections over a Frame Relay network with Eicon SNA Gateway