Currently, we support GRE and CAPWAP L3 encapsulation. Take a look at the ovs-vswitch.conf.db man page to see a description of the options available through the Interface table to create a virtual port that provides that functionality. The archive for this mailing list has some discussion related to configuring it, which may be helpful.
--Justin On Nov 17, 2010, at 11:40 PM, Yue ZHANG wrote: > > Thanks, It's very helpful. > > I've another question, could I encapsulate the packet and then output it > using ovs? > > I'd like to add additional mac and ip header to the incoming packet. However, > I only find modify actions for packet header in the document. > > Thanks. > > 2010-11-18 > Yue ZHANG > [email protected] > > > 发件人:"Justin Pettit " > 发送日期:2010-11-18 15:13 > 收件人:Yue ZHANG > 抄送:[email protected] > 主题: Re: [ovs-discuss] Add wildcard openflow rules > Try looking at the "resubmit" action in ovs-ofctl. You could use the first > lookup to match and modify the source address and the second to match and > modify the destination, for example. > > --Justin > > > On Nov 17, 2010, at 11:02 PM, Yue ZHANG wrote: > > > Dear staff, > > > > > > In my research, I want to do something like NAT, that modify both IP > > packets' src and dst address each to each. > > > > For example: > > ovs-ofctl add-flow br1 > > nw_src=192.168.1.2,nw_dst=192.168.2.2,idle_timeout=0,icmp,action=mod_nw_src:172.16.206.2,mod_nw_dst:172.16.121.2,output:0 > > > > ovs-ofctl add-flow br1 > > nw_src=192.168.1.2,nw_dst=192.168.2.3,idle_timeout=0,icmp,action=mod_nw_src:172.16.206.2,mod_nw_dst:172.16.121.3,output:0 > > > > > > These two rules could modify src from 192.168.1.x to 172.16.206.x, and dst > > from 192.168.2.y to 172.16.121.y, respectively. > > > > The question is: > > If I have 254 possible values for both x and y, then I need 254x254 > > openflow rules for each IP pair. > > Could I modify all the nw_src first, then modify nw_dst and output the > > packet, means only need 254+254 rules. > > Is there any simple way to do this? Thanks very much. > > > > > > Regards. > > Yue ZHANG > > [email protected] > > 2010-11-18 > > _______________________________________________ > > discuss mailing list > > [email protected] > > http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org > > . > > _______________________________________________ > discuss mailing list > [email protected] > http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org
