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46 lines
1.6 KiB
ReStructuredText
================
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Other Types
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================
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Besides wired, wireless and VPN interfaces, there are also some other, virtual interfaces, as well as some
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miscellaneous interface-related. These options can be found under :menuselection:`Interfaces --> Other types`.
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This document briefly explains these options.
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------
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Bridge
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------
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Bridging allows to create a connection between separate networks, allow traffic on network A destined for network B
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(where both networks are connected to your OPNsense device) to reach it via this bridge. Note that this does not
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include DHCP services—this needs to set using :ref:`DHCP relaying <dhcp-relaying>`.
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---
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GIF
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---
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GIF (``gif(4)``, Generic Tunnel Interface) can be used to tunnel IPv6 via IPv4 connections. A common use for this are the
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IPv6 tunnel of Hurricane Electric (he.net).
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---
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GRE
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---
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GRE (``gre(4)``, Generic Routing Encapsulation) is used to create a virtual point-to-point connection, through which
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encapsulated packages can be sent. This can be used to utilise protocols between devices over a connection that
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does not normally support these protocols.
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----
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LAGG
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----
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LAGG (``lagg(4)``) allows for link aggregation, bonding and fault tolerance. This works best if your network switches
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support. Only unassigned interfaces can be added to LAGG. More information about LAGG can be found in
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`the FreeBSD manual <https://www.freebsd.org/doc/handbook/network-aggregation.html>`_.
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----
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VLAN
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----
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VLANs (Virtual LANs) can be used to segment a single physical network into multiple virtual networks. This can be
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done for QoS purposes, among other things. For this reason, most ISP-issued IPTV devices utilise VLANs.
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