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https://github.com/opnsense/docs
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126 lines
5.7 KiB
ReStructuredText
126 lines
5.7 KiB
ReStructuredText
=========================================
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Multi Interface shaping for a GuestNet
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=========================================
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One of the options with OPNsense's traffic shaper is its ability to add shaping
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rules based upon two interfaces. This option allows you to shape traffic
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differently based on the direction the traffic is moving between interfaces.
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For this example we will use this functionality to share a symmetric 10 Mbps internet
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connection between a primary LAN network and a Guest Network.
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The LAN network will not be limited, traffic from users on our Guest Network will
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be limited to a total of 2 Mbps Download and 1 Mbps Upload.
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.. nwdiag::
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:scale: 100%
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:caption: Simple network diagram
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nwdiag {
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span_width = 90;
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node_width = 180;
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Internet [shape = "cisco.cloud"];
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Internet -- switchwan;
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network WAN {
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switchwan [label="",shape = "cisco.workgroup_switch"];
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label = "WAN Interface em1";
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fw1 [label="OPNsense", shape = "cisco.firewall", address="172.10.1.1/32"];
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}
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network LAN {
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switchlan [label="",shape = "cisco.workgroup_switch"];
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label = "LAN Interface em0";
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address ="192.168.1.x/24";
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fw1 [label="OPNsense",address="192.168.1.1/24"];
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}
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pc [label="LAN PC",shape="cisco.pc"];
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pc -- switchlan;
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network GuestNet {
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switchguestnet [label="",shape = "cisco.workgroup_switch"];
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label = "GuestNet Interface em2";
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address ="192.168.2.x/24";
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fw1 [label="OPNsense",address="192.168.2.1/24"];
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}
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laptop [label="Guest Laptop", shape="cisco.laptop"]
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laptop -- switchguestnet;
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}
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Step 1 - Create Upload and Download Pipes
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-----------------------------------------
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On the **Pipes** tab click the **+** button in the lower right corner.
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An empty **Edit Pipe** screen will popup.
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Create Pipe For Upload (GuestNet - em2)
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====================== ================ ================================================
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**enabled** Checked *Check to enable the pipe*
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**bandwidth** 1 *Numeric value of the desired bandwidth*
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**bandwidth Metric** Mbit/s *Metric to use with the numeric value*
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**mask** (Empty) *Leave empty*
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**description** PipeUp-1Mbps *Free field, enter something descriptive*
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====================== ================ ================================================
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Create Pipe For Download (GuestNet - em2)
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====================== ================== ================================================
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**enabled** Checked *Check to enable the pipe*
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**bandwidth** 2 *Numeric value of the desired bandwidth*
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**bandwidth Metric** Mbit/s *Metric to use with the numeric value*
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**mask** (Empty) *Leave empty*
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**description** PipeDown-2Mbps *Free field, enter something descriptive*
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====================== ================== ================================================
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Step 2 - Create Rules
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----------------------
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On the **Rules** tab click the **+** button in the lower right corner.
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An empty **Edit rule** screen will popup.
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Important - Before you continue!
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First change the mode to advanced, see the toggle in the left top corner of the
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popup dialog. One click should shift it from red (disabled) to green (enabled).
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Create a rule for the download traffic
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====================== =================== =====================================================
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**sequence** 11 *Auto generated number, overwrite only when needed*
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**interface** WAN *Select the interface connected to the internet*
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**interface2** GuestNet *Select the interface that matches your GuestNet*
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**proto** ip *Select the protocol, IP in our example*
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**source** any *The source address, leave on any*
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**src-port** any *The source port to shape, leave on any*
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**destination** any *The destination IP to shape, leave on any*
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**dst-port** any *The destination port to shape, leave on any*
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**direction** in *Match incoming packages (download)*
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**target** PipeDown-2Mbps *Select the Download pipe*
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**description** GuestNetDownload *Enter a descriptive name*
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====================== =================== =====================================================
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Create a rule for the upload traffic
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====================== =================== =====================================================
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**sequence** 21 *Auto generated number, overwrite only when needed*
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**interface** WAN *Select the interface that matches your GuestNet*
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**interface2** GuestNet *Select the interface connected to the internet*
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**proto** ip *Select the protocol, IP in our example*
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**source** any *The source address, leave on any*
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**src-port** any *The source port to shape, leave on any*
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**destination** any *The destination IP to shape, leave on any*
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**dst-port** any *The destination port to shape, leave on any*
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**direction** out *Match outgoing packages (upload)*
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**target** PipeUp-1Mbps *Select the Upload pipe*
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**description** GuestNetUpload *Enter a descriptive name*
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====================== =================== =====================================================
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Now press |apply| to activate the traffic shaping rules.
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.. |apply| image:: images/applybtn.png
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