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madhanmellanoxmadhanmellanox
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[Mellanox] SKU creator Tool (sonic-net#1163)
I added a new script file sonic_sku_create.py to generate a new HWSKU based on XML file or Minigraph. But, focus is on creating HWSKU based on XML file and not on the minigraph and l2 mode. I also added a unit test pyTest script sku_create_test.py in sonic-utilities-test folder to test the script in Unit Testing mode. Motivation: To create SKU for Mellanox platforms based on XML file with Port related inputs and also through Minigraph file. This tool also allows to split a port or unsplit ports based on configuration which modifies the port related information in port_config.ini and config_db.json usage: sonic_sku_create.py [-h] [-v] (-f FILE | -m [MINIGRAPH_FILE] | -j JSON_FILE | -pp PORT_SPLIT PORT_SPLIT) [-b BASE] [-r] [-k HWSKU] [-p] [-vv] Create a new SKU optional arguments: -h, --help show this help message and exit -v, --version show program's version number and exit -f FILE, --file FILE SKU definition from xml file. -f OR -m or -j must be provided when creating a new SKU -m [MINIGRAPH_FILE], --minigraph_file [MINIGRAPH_FILE] SKU definition from minigraph file. -f OR -m or -j must be provided when creating a new SKU -j JSON_FILE, --json_file JSON_FILE SKU definition from config_db.json file. -f OR -m OR -j must be provided when creating a new SKU -pp PORT_SPLIT PORT_SPLIT, --port_split PORT_SPLIT PORT_SPLIT port name and split -b BASE, --base BASE SKU base definition -r, --remove Remove SKU folder -k HWSKU, --hwsku HWSKU SKU name to be used when creating a new SKU or for L2 configuration mode -p, --print Print port_config.ini without creating a new SKU -vv, --verbose Verbose output
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‎scripts/sonic_sku_create.py

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‎sonic-utilities-tests/sku_create_input/ACS-MSN2700/buffers.json.j2

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{%- set default_topo = 't0' %}
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{%- include 'buffers_config.j2' %}

‎sonic-utilities-tests/sku_create_input/ACS-MSN2700/buffers_defaults_t0.j2

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{% set default_cable = '5m' %}
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{% set ingress_lossless_pool_size = '4194304' %}
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{% set ingress_lossy_pool_size = '7340032' %}
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{% set egress_lossless_pool_size = '16777152' %}
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{% set egress_lossy_pool_size = '7340032' %}
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{%- macro generate_port_lists(PORT_ALL) %}
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{# Generate list of ports #}
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{%- for port_idx in range(0, 32) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx)) %}{%- endif %}
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{%- endfor %}
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{%- endmacro %}
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{%- macro generate_buffer_pool_and_profiles() %}
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"BUFFER_POOL": {
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"ingress_lossless_pool": {
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"size": "{{ ingress_lossless_pool_size }}",
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"type": "ingress",
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"mode": "dynamic"
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},
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"ingress_lossy_pool": {
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"size": "{{ ingress_lossy_pool_size }}",
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"type": "ingress",
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"mode": "dynamic"
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},
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"egress_lossless_pool": {
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"size": "{{ egress_lossless_pool_size }}",
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"type": "egress",
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"mode": "dynamic"
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},
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"egress_lossy_pool": {
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"size": "{{ egress_lossy_pool_size }}",
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"type": "egress",
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"mode": "dynamic"
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}
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},
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"BUFFER_PROFILE": {
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"ingress_lossless_profile": {
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"pool":"[BUFFER_POOL|ingress_lossless_pool]",
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"size":"0",
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"dynamic_th":"0"
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},
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"ingress_lossy_profile": {
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"pool":"[BUFFER_POOL|ingress_lossy_pool]",
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"size":"0",
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"dynamic_th":"3"
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},
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"egress_lossless_profile": {
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"pool":"[BUFFER_POOL|egress_lossless_pool]",
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"size":"0",
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"dynamic_th":"7"
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},
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"egress_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossy_pool]",
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"size":"4096",
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"dynamic_th":"3"
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},
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"q_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossy_pool]",
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"size":"0",
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"dynamic_th":"3"
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}
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},
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{%- endmacro %}
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{%- macro generate_profile_lists(port_names) %}
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"BUFFER_PORT_INGRESS_PROFILE_LIST": {
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"{{ port_names }}": {
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"profile_list" : "[BUFFER_PROFILE|ingress_lossless_profile],[BUFFER_PROFILE|ingress_lossy_profile]"
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}
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},
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"BUFFER_PORT_EGRESS_PROFILE_LIST": {
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"{{ port_names }}": {
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"profile_list" : "[BUFFER_PROFILE|egress_lossless_profile],[BUFFER_PROFILE|egress_lossy_profile]"
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}
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}
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{%- endmacro %}
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{%- macro generate_queue_buffers(port_names) %}
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"BUFFER_QUEUE": {
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"{{ port_names }}|3-4": {
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"profile" : "[BUFFER_PROFILE|egress_lossless_profile]"
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},
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"{{ port_names }}|0-1": {
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"profile" : "[BUFFER_PROFILE|q_lossy_profile]"
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}
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}
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{%- endmacro %}
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‎sonic-utilities-tests/sku_create_input/ACS-MSN2700/buffers_defaults_t1.j2

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{% set default_cable = '5m' %}
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{% set ingress_lossless_pool_size = '2097152' %}
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{% set ingress_lossy_pool_size = '5242880' %}
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{% set egress_lossless_pool_size = '16777152' %}
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{% set egress_lossy_pool_size = '5242880' %}
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{%- macro generate_port_lists(PORT_ALL) %}
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{# Generate list of ports #}
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{%- for port_idx in range(0, 32) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx)) %}{%- endif %}
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{%- endfor %}
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{%- endmacro %}
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{%- macro generate_buffer_pool_and_profiles() %}
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"BUFFER_POOL": {
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"ingress_lossless_pool": {
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"size": "{{ ingress_lossless_pool_size }}",
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"type": "ingress",
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"mode": "dynamic"
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},
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"ingress_lossy_pool": {
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"size": "{{ ingress_lossy_pool_size }}",
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"type": "ingress",
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"mode": "dynamic"
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},
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"egress_lossless_pool": {
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"size": "{{ egress_lossless_pool_size }}",
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"type": "egress",
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"mode": "dynamic"
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},
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"egress_lossy_pool": {
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"size": "{{ egress_lossy_pool_size }}",
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"type": "egress",
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"mode": "dynamic"
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}
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},
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"BUFFER_PROFILE": {
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"ingress_lossless_profile": {
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"pool":"[BUFFER_POOL|ingress_lossless_pool]",
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"size":"0",
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"dynamic_th":"0"
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},
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"ingress_lossy_profile": {
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"pool":"[BUFFER_POOL|ingress_lossy_pool]",
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"size":"0",
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"dynamic_th":"3"
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},
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"egress_lossless_profile": {
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"pool":"[BUFFER_POOL|egress_lossless_pool]",
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"size":"0",
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"dynamic_th":"7"
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},
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"egress_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossy_pool]",
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"size":"4096",
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"dynamic_th":"3"
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},
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"q_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossy_pool]",
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"size":"0",
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"dynamic_th":"3"
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}
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},
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{%- endmacro %}
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{%- macro generate_profile_lists(port_names) %}
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"BUFFER_PORT_INGRESS_PROFILE_LIST": {
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"{{ port_names }}": {
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"profile_list" : "[BUFFER_PROFILE|ingress_lossless_profile],[BUFFER_PROFILE|ingress_lossy_profile]"
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}
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},
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"BUFFER_PORT_EGRESS_PROFILE_LIST": {
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"{{ port_names }}": {
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"profile_list" : "[BUFFER_PROFILE|egress_lossless_profile],[BUFFER_PROFILE|egress_lossy_profile]"
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}
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}
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{%- endmacro %}
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{%- macro generate_queue_buffers(port_names) %}
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"BUFFER_QUEUE": {
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"{{ port_names }}|3-4": {
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"profile" : "[BUFFER_PROFILE|egress_lossless_profile]"
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},
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"{{ port_names }}|0-1": {
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"profile" : "[BUFFER_PROFILE|q_lossy_profile]"
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}
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}
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{%- endmacro %}
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‎sonic-utilities-tests/sku_create_input/ACS-MSN2700/pg_profile_lookup.ini

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# PG lossless profiles.
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# speed cable size xon xoff threshold
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10000 5m 34816 18432 16384 0
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25000 5m 34816 18432 16384 0
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40000 5m 34816 18432 16384 0
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50000 5m 34816 18432 16384 0
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100000 5m 36864 18432 18432 0
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10000 40m 36864 18432 18432 0
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25000 40m 39936 18432 21504 0
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40000 40m 41984 18432 23552 0
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50000 40m 41984 18432 23552 0
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100000 40m 54272 18432 35840 0
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10000 300m 49152 18432 30720 0
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25000 300m 71680 18432 53248 0
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40000 300m 94208 18432 75776 0
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50000 300m 94208 18432 75776 0
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100000 300m 184320 18432 165888 0

‎sonic-utilities-tests/sku_create_input/ACS-MSN2700/port_config.ini

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# name lanes alias
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Ethernet0 0,1,2,3 etp1
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Ethernet4 4,5,6,7 etp2
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Ethernet8 8,9,10,11 etp3
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Ethernet12 12,13,14,15 etp4
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Ethernet16 16,17,18,19 etp5
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Ethernet20 20,21,22,23 etp6
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Ethernet24 24,25,26,27 etp7
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Ethernet28 28,29,30,31 etp8
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Ethernet32 32,33,34,35 etp9
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Ethernet36 36,37,38,39 etp10
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Ethernet40 40,41,42,43 etp11
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Ethernet44 44,45,46,47 etp12
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Ethernet48 48,49,50,51 etp13
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Ethernet52 52,53,54,55 etp14
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Ethernet56 56,57,58,59 etp15
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Ethernet60 60,61,62,63 etp16
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Ethernet64 64,65,66,67 etp17
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Ethernet68 68,69,70,71 etp18
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Ethernet72 72,73,74,75 etp19
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Ethernet76 76,77,78,79 etp20
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Ethernet80 80,81,82,83 etp21
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Ethernet84 84,85,86,87 etp22
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Ethernet88 88,89,90,91 etp23
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Ethernet92 92,93,94,95 etp24
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Ethernet96 96,97,98,99 etp25
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Ethernet100 100,101,102,103 etp26
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Ethernet104 104,105,106,107 etp27
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Ethernet108 108,109,110,111 etp28
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Ethernet112 112,113,114,115 etp29
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Ethernet116 116,117,118,119 etp30
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Ethernet120 120,121,122,123 etp31
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Ethernet124 124,125,126,127 etp32

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