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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 ############# |