Specifications

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DSI SS7MD Network Interface Boards Programmer's Manual Issue 4
69
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)
id
link_id
src
Sending module ID
dst
ATM_module_ID
rsp_req
Used to request a confirmation.
hclass
0
status
Message status code
err_info
0
len
16
PARAMETER AREA
Offset
Size
Name
0
2
options
2
2
upper_link_id
4
2
cell_stream
6
1
upper_mod_id
7
2
vpi
9
2
vci
11
1
mgmt_id
12
1
trace_id
13
3
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.