From fa54a080fac977157454beb0853daf0ac0e6af66 Mon Sep 17 00:00:00 2001 From: Yuriy Andamasov Date: Sat, 2 May 2026 17:25:47 +0300 Subject: feat(swap): import .md files and webp transition from myst/current MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Selective import from origin/myst/current (cf9c9b34): - Add/update 255 .md files (full MyST conversion plus webp ref updates) - Delete 175 PNG/JPG from docs/_static/images (webp twins already present) - Delete 5 autotest topology.png (webp twins already present) Preserved on swap (untouched): - All .rst files (incremental swap pattern) - conf.py, _ext/, _include/*.txt, .gitignore - 115 canary md-*.md files - 7 superpowers/specs/*.md design docs - Logos vyos-logo.png / vyos-logo-icon.png (referenced by conf.py) 🤖 Generated by [robots](https://vyos.io) --- docs/configuration/interfaces/loopback.md | 67 +++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 docs/configuration/interfaces/loopback.md (limited to 'docs/configuration/interfaces/loopback.md') diff --git a/docs/configuration/interfaces/loopback.md b/docs/configuration/interfaces/loopback.md new file mode 100644 index 00000000..72f14c16 --- /dev/null +++ b/docs/configuration/interfaces/loopback.md @@ -0,0 +1,67 @@ +--- +lastproofread: '2026-01-23' +--- + +(loopback-interface)= + +# Loopback + +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} +Only one loopback `lo` interface is allowed per operating system. +If you require multiple virtual interfaces, use the {ref}`dummy-interface` +interface type. +::: + +## Configuration + +### Common interface configuration + +```{cmdincludemd} /_include/interface-address.txt +:var0: loopback +:var1: lo +``` + +```{cmdincludemd} /_include/interface-description.txt +:var0: loopback +:var1: lo +``` + + +## 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 interface information. + +:::{code-block} none +vyos@vyos:~$ show interfaces loopback lo +lo: 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 +::: +``` \ No newline at end of file -- cgit v1.2.3