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Configuring LLC2 Options

Logical link control 2 (LLC2) options can be configured for data link switching (DLSw) protocol support on J-series Services Routers. DLSw allows you to tunnel System Network Architecture (SNA) and NetBIOS traffic over an IP network.

DLSw enables SNA clients to communicate to SNA applications on a mainframe through an IP network. After a connection is established, a DLSw circuit can be created for transporting SNA traffic.

The IP network between an SNA client and an SNA application becomes transparent with DLSw. DLSw transports any SNA traffic. DLSw has an LLC session on one SNA device and recreates it (almost identically) on the other SNA device, making the devices operate as if they were directly connected. DLSw is configured on peer IP routers and transports everything between the peers using Switch-to-Switch Protocol (SSP).

For information about configuring DLSw, see the JUNOS Services Interfaces Configuration Guide and the J-series Services Router Advanced WAN Access Configuration Guide

For more information, see the following sections:

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