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| author | Daniel Thorpe <1077065+dantho281@users.noreply.github.com> | 2021-02-11 02:25:57 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-02-11 02:25:57 +0000 |
| commit | e88fba68357181bd54fcc7489cbba08780cee6cd (patch) | |
| tree | b67e88b1208fa835edf0420a42dd2b624ec2105b /docs/interfaces/loopback.rst | |
| parent | dab473bfd04ab2930c043b853ba9995d1ff335e6 (diff) | |
| parent | f33b0c78b07c80998d2c0e64d6a20bcb109f6db5 (diff) | |
| download | vyos-documentation-e88fba68357181bd54fcc7489cbba08780cee6cd.tar.gz vyos-documentation-e88fba68357181bd54fcc7489cbba08780cee6cd.zip | |
Merge pull request #1 from vyos/master
Update fork
Diffstat (limited to 'docs/interfaces/loopback.rst')
| -rw-r--r-- | docs/interfaces/loopback.rst | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/docs/interfaces/loopback.rst b/docs/interfaces/loopback.rst deleted file mode 100644 index e15062cf..00000000 --- a/docs/interfaces/loopback.rst +++ /dev/null @@ -1,75 +0,0 @@ -.. _loopback-interface: - -######## -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. - -.. note:: There can only be one loopback ``lo`` interface on the system. If - you need multiple interfaces, please use the :ref:`dummy-interface` - interface type. - -.. hint:: A lookback 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 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. - -Configuration -============= - -Address -------- - -.. cfgcmd:: set interfaces loopback lo address <address> - - Configure Loopback interface `lo` with one or more interface addresses. - Address can be specified multiple times as IPv4 and/or IPv6 address, e.g. - 192.0.2.1/24 and/or 2001:db8::1/64. - -Link Administration -------------------- - -.. cfgcmd:: set interfaces loopback lo description <description> - - Assign given `<description>` to interface `lo`. Description will also be - passed to SNMP monitoring systems. - -Operation -========= - -.. opcmd:: show interfaces loopback - - Show brief interface information. - - .. code-block:: none - - vyos@vyos:~$ show interfaces loopback - Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down - Interface IP Address S/L Description - --------- ---------- --- ----------- - lo 127.0.0.1/8 u/u - ::1/128 - -.. opcmd:: show interfaces loopback lo - - Show detailed information on given loopback interface `lo`. - - .. code-block:: none - - vyos@vyos:~$ show interfaces ethernet eth0 - lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 - link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 - inet 127.0.0.1/8 scope host lo - valid_lft forever preferred_lft forever - inet6 ::1/128 scope host - valid_lft forever preferred_lft forever - - RX: bytes packets errors dropped overrun mcast - 300 6 0 0 0 0 - TX: bytes packets errors dropped carrier collisions - 300 6 0 0 0 0 |