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diff --git a/doc/developer/building-frr-for-debian8.rst b/doc/developer/building-frr-for-debian8.rst new file mode 100644 index 0000000..5e58854 --- /dev/null +++ b/doc/developer/building-frr-for-debian8.rst @@ -0,0 +1,150 @@ +Debian 8 +======================================== + +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 \ + libreadline-dev texinfo libjson-c-dev pkg-config bison flex python3-pip \ + libc-ares-dev python3-dev python3-sphinx build-essential \ + libsnmp-dev libcap-dev libelf-dev + +Install newer pytest (>3.0) from pip + +:: + + sudo pip3 install pytest + +.. 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/run/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/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 \ + --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 frr /dev/null /etc/frr/ldpd.conf + sudo install -m 640 -o frr -g frr /dev/null /etc/frr/nhrpd.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 -p`` to apply the same config to the running +system + +Troubleshooting +^^^^^^^^^^^^^^^ + +**Local state directory** + +The local state directory must exist and have the correct permissions +applied for the frrouting daemons to start. In the above ./configure +example the local state directory is set to /var/run/frr +(--localstatedir=/var/run/frr) Debian considers /var/run/frr to be +temporary and this is removed after a reboot. + +When using a different local state directory you need to create the new +directory and change the ownership to the frr user, for example: + +:: + + mkdir /var/opt/frr + chown frr /var/opt/frr + +**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 |