Quagga is free software that manages various IPv4 and IPv6 routing
protocols.

Currently Quagga supports BGP4, BGP4+, OSPFv2, OSPFv3, RIPv1,
RIPv2, and RIPng as well as very early support for IS-IS.
  
See the file INSTALL.quagga.txt for building and installation instructions.
  
See the file REPORTING-BUGS to report bugs.
  
Quagga is free software. See the file COPYING for copying conditions.

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INSTALL

sudo apt-get install libreadline-dev texlive-latex-base texlive-generic-recommended libcap-dev texinfo imagemagick ghostscript groff autotools-dev hardening-wrapper libpcre3-dev gawk chrpath libsnmp30 libsnmp-dev libtool libpam0g-dev libnl-genl-3-dev
./update-autotools
./bootstrap.sh
./configure --localstatedir=/var/run/quagga --enable-user= --enable-group= --enable-isisd --disable-bgpd --enable-trilld
make
sudo make install