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DSI SS7MD Network Interface Boards Programmer's Manual Issue 4

4.5.7 ATM_MSG_AAL_CFG_MON_LINK - Configure AAL Monitor Link

Synopsis

Message used to configure AAL5 monitoring for a specific vpi/vci combination on an

existing ATM cell stream.

Format

MESSAGE HEADER

Field Name

Meaning

type

ATM_MSG_AAL_CFG_MON_LINK (0x7264)

link_id

src

Sending module ID

dst

ATM_module_ID

rsp_req

Used to request a confirmation.

hclass

status

Message status code

err_info

len

PARAMETER AREA

Offset

Size

Name

options

upper_link_id

cell_stream

upper_mod_id

vpi

vci

mgmt_id

trace_id

Reserved. Set to 0.

Description

Sent (after configuration of the ATM cell stream) by the user to configure the

parameters of an AAL5 monitored link.

The vpi/vci combination configured here must not match the default specified for the

cell stream.

Immediately following receipt of this message, generation of API_MSG_RX_IND

messages towards the ‘upper_mod_id’ will commence.

AAL5 messages of length greater than the maximum configured for the underlying cell

stream will be silently discarded. A count of discards may be retrieved via an ATM

statistics request: ATM_MSG_R_STREAM_STATS.

link_id

Identifier for this link.

Note: This identifier is required to be unique only within the context of the board.

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