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--- en:dpi:dpi_options:opt_priority:priority_settings:start [2024/04/10 15:36] – elena.krasnobryzh
+++ en:dpi:dpi_options:opt_priority:priority_settings:start [Unknown date] (current) – removed - external edit (Unknown date) 127.0.0.1
@@ Line 1: / Line 1: @@
-====== Configuration ======
-{{indexmenu_n>2}}
-=====Configuring DSCP markup in IP/VLAN/MPLS headers=====
-The option is configured or disabled by editing the configuration file **/etc/dpi/fastdpi.conf**.
-<note warning>This is a cold parameter which requires restart of service!</note>
-Enable prioritizing markup of a traffic on level:
-<code>
-set_packet_priority=1
-</code>
-  * 1 - IP header
-  * 2 - VLAN/QinQ header
-  * 3 - MPLS header
-<note important>set_packet_priority=1 leads to patching of all packets that pass through DPI to set the priority in their headers. This operation takes a lot of resources. Therefore do not switch this flag on until you do not need to use these modified priorities on other network devices.</note>
-Configuration parameters from [[en:dpi:dpi_options:opt_priority:priority_config:start|Assignment of priorities]] are sufficient for internal DPI usage.
-===== Configuring DSCP Inheritance and Conversion =====
-<note important>Not compatible with ''[[dpi:dpi_options:opt_priority:priority_settings:start#настройка_разметки_dscp_в_ip_vlan_mpls_заголовках|set_packet_priority]]'' — he's a priority..</note>
-It is configured in the ''/etc/dpi/fastdpi.conf'' configuration file.
-<code bash>
-forward_packet_priority=<bitmask>
-</code>
-Bit masks:
-  * Depending on the direction:
-    * 1 — conversion is applied to outbound traffic (subs->inet)
-    * 2 — conversion is applied to outbound traffic (inet->subs)
-  * Depending on the objects of conversion:
-    * 4 — Conversion between VLAN and IP
-    * 8 — IP to IP conversion
-If no conversion file is specified (no ''/etc/dpi/dscpfrw.bin'' file), VLAN<->IP conversion is performed without conversion, i.e. the priority that was in the header (3 bits) is transferred to the other header (IP or VLAN) as it is.\\
-If a conversion file is specified, a priority conversion is performed according to the rules specified in the file.
-====Setting the priority conversion file====
-<code bash>
-vi test.txt
-in cs0 cs1
-in cs1 cs2
-in cs2 keep
-in default cs3
-out default keep
-out 0x1 0x2
-out 0x2 0x3
-out cs0 0x3F
-cat test.txt|forw2dscp test.bin
-cp test.bin /etc/dpi/dscpfrw.bin
-</code>

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