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Debian 12
=========
Install required packages
-------------------------
Add packages:
::
sudo apt-get install git autoconf automake libtool make \
libprotobuf-c-dev protobuf-c-compiler build-essential \
python3-dev python3-pytest python3-sphinx libjson-c-dev \
libelf-dev libreadline-dev cmake libcap-dev bison flex \
pkg-config texinfo gdb libgrpc-dev python3-grpc-tools
.. include:: building-libunwind-note.rst
.. include:: building-libyang.rst
Get FRR, compile it and install it (from Git)
---------------------------------------------
**This assumes you want to build and install FRR from source and not
using any packages**
Add frr groups and user
^^^^^^^^^^^^^^^^^^^^^^^
::
sudo addgroup --system --gid 92 frr
sudo addgroup --system --gid 85 frrvty
sudo adduser --system --ingroup frr --home /var/opt/frr/ \
--gecos "FRR suite" --shell /bin/false frr
sudo usermod -a -G frrvty frr
Download Source, configure and compile it
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(You may prefer different options on configure statement. These are just
an example.)
::
git clone https://github.com/frrouting/frr.git frr
cd frr
./bootstrap.sh
./configure \
--localstatedir=/var/opt/frr \
--sbindir=/usr/lib/frr \
--sysconfdir=/etc/frr \
--enable-multipath=64 \
--enable-user=frr \
--enable-group=frr \
--enable-vty-group=frrvty \
--enable-configfile-mask=0640 \
--enable-logfile-mask=0640 \
--enable-fpm \
--with-pkg-git-version \
--with-pkg-extra-version=-MyOwnFRRVersion
make
make check
sudo make install
For more compile options, see ``./configure --help``
Create empty FRR configuration files
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
::
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/frr.conf
sudo install -m 640 -o frr -g frr tools/etc/frr/daemons /etc/frr/daemons
Edit ``/etc/frr/daemons`` and enable the FRR daemons for the protocols you need
Enable IP & IPv6 forwarding
^^^^^^^^^^^^^^^^^^^^^^^^^^^
Edit ``/etc/sysctl.conf`` and uncomment the following values (ignore the
other settings)
::
# Uncomment the next line to enable packet forwarding for IPv4
net.ipv4.ip_forward=1
# Uncomment the next line to enable packet forwarding for IPv6
# Enabling this option disables Stateless Address Autoconfiguration
# based on Router Advertisements for this host
net.ipv6.conf.all.forwarding=1
**Reboot** or use ``sysctl -p`` to apply the same config to the running
system
Troubleshooting
---------------
Shared library error
^^^^^^^^^^^^^^^^^^^^
If you try and start any of the frrouting daemons you may see the below
error due to the frrouting shared library directory not being found:
::
./zebra: error while loading shared libraries: libfrr.so.0: cannot open
shared object file: No such file or directory
The fix is to add the following line to /etc/ld.so.conf which will
continue to reference the library directory after the system reboots. To
load the library directory path immediately run the ldconfig command
after adding the line to the file eg:
::
echo include /usr/local/lib >> /etc/ld.so.conf
ldconfig
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