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jpereira edited this page Oct 17, 2014 · 9 revisions

Build using Debian

  1. The system used to build and develop is Linux "Debian 7.6 (wheezy)"

     # lsb_release -a
 No LSB modules are available.
 Distributor ID: Debian>
 Description:    Debian GNU/Linux 7.6 (wheezy)
 Release:        7.6
 Codename:       wheezy
 #

  2. Install the development dependencies

     # apt-get install git build-essential autoconf automake pkg-config

  3. now, install the softgre build dependencies

     # apt-getinstall libdhash-dev libpcap-dev iproute-dev libapache2-mod-php5

  4. Generate debian package from source

     # apt-get install debian-builder
 # git clone https://github.com/jpereira/softgre.git softgre.git
 # cd softgre.git
 # ./autogen.sh
 # make debian-package
 # dpkg -i ../softgred-*.deb

  5. Install from source

     # git clone https://github.com/jpereira/softgre.git softgre.git
 # cd softgre.git
 # ./autogen.sh
 # ./configure
 # make
 # make install

  6. check the help of softgre

     # softgred --help

  7. sample of settings

Example: We have a interface 'eth0' there is a 'endpoint' of GRE tunnel, and we have a trunk interface 'eth1'. that can reach many vlans, like 2420,2421 and 2422. Now, we would like to attach with some vlans over GRE tunnel.

-> Create the bridge

    # ip link add br-vlan2420 type bridge
    # ip link add br-vlan2421 type bridge
    # ip link add br-vlan2422 type bridge

-> Create the local VLANs

    # ip link add link eth1 name eth1.2420 up type vlan id 2420
    # ip link add link eth1 name eth1.2421 up type vlan id 2421
    # ip link add link eth1 name eth1.2422 up type vlan id 2422

-> Attach the local VLANs with the bridges

    # ip link set eth1.2420 master br-vlan2420
    # ip link set eth1.2421 master br-vlan2421
    # ip link set eth1.2422 master br-vlan2422

-> Now, we can begin the provision!

    # softgred -i eth0 -a 10@br-vlan2420 -a 11@br-vlan2421 -a 12@br-vlan2422 -t -ddd 1> /var/log/softgred.log 2>&1

-> Conclusion

The SoftGREd will listen GRE Packets on the eth0, and will be forwarded to internals VLANs/bridge.

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