Yes, that's the one. --Justin
On May 27, 2012, at 6:31 PM, YIMIN CHEN wrote: > Hi Ethan, > > Thank you very much for your reply! > > I found this: openvswitch.org/ovs-vswitchd.conf.db.5.pdf. Is this the > man page you are referring to? > > > Thanks! > Yimin > > On Fri, May 25, 2012 at 11:43 AM, Ethan Jackson <[email protected]> wrote: >>> Sorry I have so many questions. I couldn't find a detailed >>> documentation on how this tunneling feature works and still unclear >>> about the concept. If any of you have worked on tunneling, could you >>> please kindly shed lights on this? Thank you so much! >> >> Configuration of tunnels is documented thoroughly in the >> ovs-vswitchd.conf.db man page. They are pretty straight forward, when >> traffic is output to a tunnel, it is encaped, and then forwarded to >> the remote_ip configured in the database. >> >> Ethan >> >> >>> >>> Yimin >>> >>> On Fri, May 25, 2012 at 10:20 AM, YIMIN CHEN <[email protected]> wrote: >>>> Hi, >>>> >>>> I am trying to understand the GRE tunnel feature on openvswitch, and >>>> found the following document on the networkstatic.net/. I have some >>>> questions after the instructions that would appreciate your >>>> clarification! >>>> >>>> -------------------------------------------- >>>> Open vSwitch 1 configuration >>>> -------------------------------------------- >>>> #ifconfig eth0 192.168.1.155 netmask 255.255.255.0 >>>> #ifconfig eth0 up >>>> #ovs-vsctl add-br br1 >>>> >>>> That creates the bridge and logical BVI. Ifconfig –a will now show a >>>> new interface named br1. >>>> >>>> #ifconfig br1 10.1.1.1 netmask 255.255.255.0 >>>> * br1 is now the gateway for your VM DCI interface. That would >>>> likely be one of a few connections or part of a 802.1q trunk. >>>> >>>> #ifconfig br1 up #ovs-vsctl add-port br1 gre1 — set interface gre1 >>>> type=gre options:remote_ip=192.168.1.152 >>>> >>>> -------------------------------------------- >>>> Open vSwitch 2 configuration >>>> -------------------------------------------- >>>> #ifconfig eth0 192.168.1.152 netmask 255.255.255.0 >>>> #ifconfig eth0 up >>>> #ovs-vsctl add-br br1 >>>> #ifconfig br1 10.1.1.2 netmask 255.255.255.0 >>>> #ifconfig br1 up >>>> #ovs-vsctl add-port br1 gre1 — set interface gre1 type=gre >>>> options:remote_ip=192.168.1.152 >>>> >>>> * Now spin up your VM. I use the following to boot Ubuntu off CD >>>> >>>> >>>> Here is my questions/confusions regarding the feature: >>>> 1) How is br1 and eth0 related? Is eth0 not part of br1? or just br1 >>>> using eth0 to tunnel the packets? When ovs is started, eth0 is already >>>> part of br0. What is the difference between br0 and br1? br1 is a >>>> tunnel between switches and br0 is virtual bridge for VMs on the same >>>> switch? >>>> 2) In the example, switch 1 and switch 2's eth0 address configs are >>>> different, but in the add-port command, the remote_ip was same, was >>>> that a mistake? should remote_ip same as the configured eth0 ip? >>>> >>>> Appreciate your helps! If there is a better documentation about how >>>> the feature works and how to setup, would you please give me a >>>> pointer? >>>> >>>> Thanks! >>>> Yimin >>> _______________________________________________ >>> discuss mailing list >>> [email protected] >>> http://openvswitch.org/mailman/listinfo/discuss > _______________________________________________ > discuss mailing list > [email protected] > http://openvswitch.org/mailman/listinfo/discuss _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
