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| author | LiudmylaNad <l.nadolina@vyos.io> | 2026-01-27 10:52:27 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2026-01-27 09:52:27 +0000 |
| commit | 22c81723b32ea39f7466edfe7f546821b396333c (patch) | |
| tree | 999fa078220fc13f2cb79a9bca38cb3ac805536e /docs/configuration/interfaces/loopback.rst | |
| parent | b1fc782abce7abc73d17ae0ceeeffa61dd238727 (diff) | |
| download | vyos-documentation-22c81723b32ea39f7466edfe7f546821b396333c.tar.gz vyos-documentation-22c81723b32ea39f7466edfe7f546821b396333c.zip | |
DOC: Proofreading virtual, loopback, and dummy interfaces (#1745)
Diffstat (limited to 'docs/configuration/interfaces/loopback.rst')
| -rw-r--r-- | docs/configuration/interfaces/loopback.rst | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/docs/configuration/interfaces/loopback.rst b/docs/configuration/interfaces/loopback.rst index b5fbdf83..77b6e475 100644 --- a/docs/configuration/interfaces/loopback.rst +++ b/docs/configuration/interfaces/loopback.rst @@ -1,4 +1,4 @@ -:lastproofread: 2023-01-20 +:lastproofread: 2026-01-23 .. _loopback-interface: @@ -6,20 +6,20 @@ Loopback ######## -The loopback networking interface is a virtual network device implemented -entirely in software. All traffic sent to it "loops back" and just targets -services on your local machine. +The loopback interface is a virtual, software-based network interface. All +traffic sent to it loops back and only targets services on the local host. -.. note:: There can only be one loopback ``lo`` interface on the system. If - you need multiple interfaces, please use the :ref:`dummy-interface` +.. note:: Only one loopback ``lo`` interface is allowed per operating system. + If you require multiple virtual interfaces, use the :ref:`dummy-interface` interface type. -.. hint:: A loopback interface is always up, thus it could be used for - management traffic or as source/destination for and :abbr:`IGP (Interior - Gateway Protocol)` like :ref:`routing-bgp` so your internal BGP link is not - dependent on physical link states and multiple routes can be chosen to the - destination. A :ref:`dummy-interface` Interface should always be preferred - over a :ref:`loopback-interface` interface. +.. hint:: The loopback interface is always operational, making it suitable for + management traffic or as a stable source/destination for routing protocols such + as BGP. This ensures internal routing sessions remain independent of physical + link states. + + However, in most cases, the dummy interface is preferred over the loopback + interface. ************* Configuration @@ -55,7 +55,7 @@ Operation .. opcmd:: show interfaces loopback lo - Show detailed information on the given loopback interface `lo`. + Show detailed interface information. .. code-block:: none |