Introduction to DLPI

DLPI Services

Figure 1-6

Message Flow: Binding a Stream to a DLSAP

DL_BIND request

DL_BIND acknowledge

DL_SUBS_BIND request

DL_SUBS_BIND acknowledge

DL_UNBIND_REQ requests the DLS provider to unbind all DLSAPs from a stream. The DL_UNBIND_REQ also unbinds all the subsequently bound DLSAPs that have not been unbound. The DLS provider indicates success with a DL_OK_ACK message and failure with a DL_ERROR_ACK message.

DL_SUBS_UNBIND_REQ requests the DLS provider to unbind the subsequently bound DLSAP. The DLS provider indicates success with a DL_OK_ACK message and failure with a DL_ERROR_ACK message, as shown in Figure 1-7.

Figure 1-7

Message Flow: Unbinding a Stream from a DLSAP

DL_UNBIND request

DL_OK acknowledge

DL_SUBS_UNBIND request

DL_SUBS_OK acknowledge

DL_ENABMULTI_REQ requests the DLS provider to enable specific multicast addresses on a per stream basis. 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 1-8.

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HP UX 11i v2 Networking Software manual Message Flow Binding a Stream to a Dlsap