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Building FRR on Debian 8 from Git Source
========================================
Debian 8 restrictions:
----------------------
- MPLS is not supported on `Debian 8` with default kernel. MPLS requires
Linux Kernel 4.5 or higher (LDP can be built, but may have limited use
without MPLS)
Install required packages
-------------------------
Add packages:
sudo apt-get install git autoconf automake libtool make gawk \
libreadline-dev texinfo libjson-c-dev pkg-config bison flex \
python-pip
Install newer pytest (>3.0) from pip
sudo pip install pytest
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 --groups frrvty --home /var/run/frr/ \
--gecos "FRR FreeRangeRouting suite" --shell /bin/false frr
sudo usermode
### Download Source, configure and compile it
(You may prefer different options on configure statement. These are just
an example.)
git clone https://github.com/freerangerouting/frr.git frr
cd frr
git checkout stable/2.0
./bootstrap.sh
./configure \
--enable-exampledir=/usr/share/doc/frr/examples/ \
--localstatedir=/var/run/frr \
--sbindir=/usr/lib/frr \
--sysconfdir=/etc/frr \
--enable-vtysh \
--enable-isisd \
--enable-pimd \
--enable-watchfrr \
--enable-ospfclient=yes \
--enable-ospfapi=yes \
--enable-multipath=64 \
--enable-user=frr \
--enable-group=frr \
--enable-vty-group=frrvty \
--enable-configfile-mask=0640 \
--enable-logfile-mask=0640 \
--enable-rtadv \
--enable-tcp-zebra \
--enable-fpm \
--with-pkg-git-version \
--with-pkg-extra-version=-MyOwnFRRVersion
make
make check
sudo make install
### Create empty FRR configuration files
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 frrvty /dev/null /etc/frr/vtysh.conf
### 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` to apply the same config to the running system
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