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| author | Christian Poessinger <christian@poessinger.com> | 2020-01-02 22:14:51 +0100 |
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| committer | Christian Poessinger <christian@poessinger.com> | 2020-01-02 22:14:51 +0100 |
| commit | 10d015f05307837e445fb612d2f4087d026a888a (patch) | |
| tree | 1471a2cd8341f98f7c4d91b3df03bc788530f29a /docs/interfaces/dummy.rst | |
| parent | 432f13801f90622b154b214d050516dad2a320c6 (diff) | |
| download | vyos-documentation-10d015f05307837e445fb612d2f4087d026a888a.tar.gz vyos-documentation-10d015f05307837e445fb612d2f4087d026a888a.zip | |
dummy: loopback: add usage hint
Diffstat (limited to 'docs/interfaces/dummy.rst')
| -rw-r--r-- | docs/interfaces/dummy.rst | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/docs/interfaces/dummy.rst b/docs/interfaces/dummy.rst index 7fee2700..4627d1dc 100644 --- a/docs/interfaces/dummy.rst +++ b/docs/interfaces/dummy.rst @@ -6,9 +6,18 @@ Dummy The dummy interface is really a little exotic, but rather useful nevertheless. Dummy interfaces are much like the :ref:`loopback-interface` interface, except -you can have as many as you want. Dummy interfaces can be used as interfaces -that always stay up (in the same fashion to loopbacks in Cisco IOS), or for -testing purposes. +you can have as many as you want. + +.. note:: Dummy interfaces can be used as interfaces that always stay up (in + the same fashion to loopbacks in Cisco IOS), or for testing purposes. + +.. hint:: A Dummy 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:`bgp` so your internal BGP link is not dependant + on physical link states and multiple routes can be choosen to the + destination. A :ref:`dummy-interface` Interface should always be preferred + over a :ref:`loopback-interface` interface. + Configuration ############# |