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Ubuntu 18.04 LTS
================
Install dependencies
--------------------
Required packages
^^^^^^^^^^^^^^^^^
::
sudo apt-get install \
git autoconf automake libtool make gawk libreadline-dev texinfo \
pkg-config libpam0g-dev libjson-c-dev bison flex python-pytest \
libc-ares-dev python3-dev libsystemd-dev python-ipaddress \
python3-sphinx install-info build-essential libsystemd-dev
.. include:: building-libyang.rst
Optional packages
^^^^^^^^^^^^^^^^^
Dependencies for additional functionality can be installed as-desired.
Protobuf
~~~~~~~~
::
sudo apt-get install \
protobuf-c-compiler \
libprotobuf-c-dev
ZeroMQ
~~~~~~
::
sudo apt-get install \
libzmq5 \
libzmq3-dev
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 groupadd -r -g 92 frr
sudo groupadd -r -g 85 frrvty
sudo adduser --system --ingroup frr --home /var/run/frr/ \
--gecos "FRR suite" --shell /sbin/nologin frr
sudo usermod -a -G frrvty frr
Download source
^^^^^^^^^^^^^^^
::
git clone https://github.com/frrouting/frr.git frr
Configure
^^^^^^^^^
Options below are provided as an example.
.. seealso:: *Installation* section of user guide
.. code-block:: shell
cd frr
./bootstrap.sh
./configure \
--prefix=/usr \
--enable-exampledir=/usr/share/doc/frr/examples/ \
--localstatedir=/var/run/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 \
--enable-systemd=yes \
--with-pkg-git-version \
--with-pkg-extra-version=-MyOwnFRRVersion
If optional packages were installed, the associated feature may now be
enabled.
.. option:: --enable-protobuf
Enable support for protobuf transport
.. option:: --enable-zeromq
Enable support for ZeroMQ transport
Compile
^^^^^^^
::
make
make check
sudo make install
Create empty FRR configuration files
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Although not strictly necessary, it's good practice to create empty
configuration files _before_ starting FRR. This assures that the permissions
are correct. If the files are not already present, FRR will create them.
It's also important to consider _which_ files to create. FRR supports writing
configuration to a monolithic file, :file:`/etc/frr/frr.conf`.
.. seealso:: *VTYSH* section of user guide
The presence of :file:`/etc/frr/frr.conf` on startup implicitly configures FRR
to ignore daemon-specific configuration files.
Daemon-specific configuration
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
::
sudo install -m 755 -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 frr /dev/null /etc/frr/zebra.conf
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/bgpd.conf
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/ospfd.conf
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/ospf6d.conf
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/isisd.conf
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/ripd.conf
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/ripngd.conf
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/pimd.conf
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/ldpd.conf
sudo install -m 640 -o frr -g frr /dev/null /etc/frr/nhrpd.conf
Monolithic configuration
~~~~~~~~~~~~~~~~~~~~~~~~
::
sudo install -m 755 -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 frr /dev/null /etc/frr/frr.conf
Enable IPv4 & IPv6 forwarding
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Edit :file:`/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
Add MPLS kernel modules
^^^^^^^^^^^^^^^^^^^^^^^
Ubuntu 18.04 ships with kernel 4.15. MPLS modules are present by default. To
enable, add the following lines to :file:`/etc/modules-load.d/modules.conf`:
::
# Load MPLS Kernel Modules
mpls_router
mpls_iptunnel
Reboot or use ``sysctl -p`` to apply the same config to the running system.
Enable MPLS Forwarding
^^^^^^^^^^^^^^^^^^^^^^
Edit :file:`/etc/sysctl.conf` and the following lines. Make sure to add a line
equal to :file:`net.mpls.conf.eth0.input` for each interface used with MPLS.
::
# 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
Install the systemd service
^^^^^^^^^^^^^^^^^^^^^^^^^^^
::
sudo install -m 644 tools/frr.service /etc/systemd/system/frr.service
sudo install -m 644 tools/etc/frr/daemons /etc/frr/daemons
sudo install -m 644 tools/etc/frr/frr.conf /etc/frr/frr.conf
sudo install -m 644 -o frr -g frr tools/etc/frr/vtysh.conf /etc/frr/vtysh.conf
Enable daemons
^^^^^^^^^^^^^^
Edit ``/etc/frr/daemons`` and change the value from "no" to "yes" for those
daemons you want to start by systemd. For example:
::
zebra=yes
bgpd=yes
ospfd=yes
ospf6d=yes
ripd=yes
ripngd=yes
isisd=yes
Enable the systemd service
^^^^^^^^^^^^^^^^^^^^^^^^^^
Enabling the systemd service causes FRR to be started upon boot. To enable it,
use the following command:
.. code-block:: shell
systemctl enable frr
Start the systemd service
^^^^^^^^^^^^^^^^^^^^^^^^^
.. code-block:: shell
systemctl start frr
After starting the service, you can use ``systemctl status frr`` to check its
status.
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