From e2bbf175a2184bd76f6c54ccf8456babeb1a46fc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 9 Apr 2024 15:16:35 +0200
Subject: Adding upstream version 9.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 doc/developer/building-frr-for-fedora.rst | 136 ++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 doc/developer/building-frr-for-fedora.rst

(limited to 'doc/developer/building-frr-for-fedora.rst')

diff --git a/doc/developer/building-frr-for-fedora.rst b/doc/developer/building-frr-for-fedora.rst
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+Fedora 24+
+==========
+
+This document describes installation from source. If you want to build an RPM,
+see :ref:`packaging-redhat`.
+
+These instructions have been tested on Fedora 24+.
+
+Installing Dependencies
+-----------------------
+
+.. code-block:: console
+
+   sudo dnf install git autoconf automake libtool make \
+     readline-devel texinfo net-snmp-devel groff pkgconfig json-c-devel \
+     pam-devel python3-pytest bison flex c-ares-devel python3-devel \
+     python3-sphinx perl-core patch libcap-devel \
+     elfutils-libelf-devel libunwind-devel protobuf-c-devel
+
+.. include:: building-libunwind-note.rst
+
+.. include:: building-libyang.rst
+
+Building & Installing FRR
+-------------------------
+
+Add FRR user and groups
+^^^^^^^^^^^^^^^^^^^^^^^
+
+.. code-block:: console
+
+   sudo groupadd -g 92 frr
+   sudo groupadd -r -g 85 frrvty
+   sudo useradd -u 92 -g 92 -M -r -G frrvty -s /sbin/nologin \
+     -c "FRR FRRouting suite" -d /var/run/frr frr
+
+Compile
+^^^^^^^
+
+.. include:: include-compile.rst
+
+Install FRR configuration files
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. code-block:: console
+
+   sudo install -m 775 -o frr -g frr -d /var/log/frr
+   sudo install -m 775 -o frr -g frrvty -d /etc/frr
+   sudo install -m 640 -o frr -g frrvty tools/etc/frr/vtysh.conf /etc/frr/vtysh.conf
+   sudo install -m 640 -o frr -g frr tools/etc/frr/frr.conf /etc/frr/frr.conf
+   sudo install -m 640 -o frr -g frr tools/etc/frr/daemons.conf /etc/frr/daemons.conf
+   sudo install -m 640 -o frr -g frr tools/etc/frr/daemons /etc/frr/daemons
+
+Tweak sysctls
+^^^^^^^^^^^^^
+
+Some sysctls need to be changed in order to enable IPv4/IPv6 forwarding and
+MPLS (if supported by your platform). If your platform does not support MPLS,
+skip the MPLS related configuration in this section.
+
+Create a new file ``/etc/sysctl.d/90-routing-sysctl.conf`` with the following
+content:
+
+::
+
+   #
+   # Enable packet forwarding
+   #
+   net.ipv4.conf.all.forwarding=1
+   net.ipv6.conf.all.forwarding=1
+   #
+   # Enable MPLS Label processing on all interfaces
+   #
+   #net.mpls.conf.eth0.input=1
+   #net.mpls.conf.eth1.input=1
+   #net.mpls.conf.eth2.input=1
+   #net.mpls.platform_labels=100000
+
+.. note::
+
+   MPLS must be invidividually enabled on each interface that requires it. See
+   the example in the config block above.
+
+Load the modified sysctls on the system:
+
+.. code-block:: console
+
+   sudo sysctl -p /etc/sysctl.d/90-routing-sysctl.conf
+
+Create a new file ``/etc/modules-load.d/mpls.conf`` with the following content:
+
+::
+
+   # Load MPLS Kernel Modules
+   mpls-router
+   mpls-iptunnel
+
+And load the kernel modules on the running system:
+
+.. code-block:: console
+
+   sudo modprobe mpls-router mpls-iptunnel
+
+
+.. note::
+   Fedora ships with the ``firewalld`` service enabled. You may run into some
+   issues with the iptables rules it installs by default. If you wish to just
+   stop the service and clear `ALL` rules do these commands:
+
+   .. code-block:: console
+
+      sudo systemctl disable firewalld.service
+      sudo systemctl stop firewalld.service
+      sudo iptables -F
+
+Install frr Service
+^^^^^^^^^^^^^^^^^^^
+
+.. code-block:: console
+
+   sudo install -p -m 644 tools/frr.service /usr/lib/systemd/system/frr.service
+   sudo systemctl enable frr
+
+Enable daemons
+^^^^^^^^^^^^^^
+
+Open :file:`/etc/frr/daemons` with your text editor of choice. Look for the
+section with ``watchfrr_enable=...`` and ``zebra=...`` etc.  Enable the daemons
+as required by changing the value to ``yes``.
+
+Start FRR
+^^^^^^^^^
+
+.. code-block:: frr
+
+   sudo systemctl start frr
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