HP rp5400 HP DLPI Programmer's Guide - Page 39
Connection-mode Services, Connection Establishment Service
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Figure 1-10 Introduction to DLPI DLPI Services The normal message sequence is illustrated in Figure 1-10. Message Flow: Enabling Promiscuous Mode on a Stream DL_PROMISCON request DL_OK acknowledge Figure 1-11 DL_PROMISCOFF_REQ requests the DLS provider to disable promiscuous mode on a per stream basis, either at the physical level or at the SAP level. The provider indicates success with a DL_OK_ACK message and failure with a DL_ERROR_ACK message. The normal message sequence is illustrated in Figure 1-11. Message Flow: Disabling Promiscuous Mode on a Stream DL_PROMISCOFF request DL_OK acknowledge Connection-mode Services The connection-mode services enable a DLS user to establish a data link connection, transfer data over that connection, reset the link, and release the connection when the conversation has terminated. Connection Establishment Service The connection establishment service establishes a data link connection between a local DLS user and a remote DLS user for the purpose of sending data. Only one data link connection is allowed on each stream. Chapter 1 39