Thank you. David
2014-08-26 11:11 GMT+02:00 Lori Jakab <loja...@cisco.com>: > On 8/26/14 12:08 PM, David F. Sire wrote: > >> Thans for your reply. >> >> It's very helpful. >> >> >> Note : It does not matter now but what wanted to do is to add a module in >> the Open vSwitch code simulating ARP proxy for LISP tunnels. I read and >> understood the code but I wonder if this module must be enable for all >> vports in datapath or just for LISP vport. >> > > Only for LISP vports, since they give you a layer 3 overlay and don't > forward ARP traffic. > > -Lori > > >> Please could you give me some guidance. Maybe I will do it later so I >> won't use mininet scripts to automatically install flow rules >> >> Thanks a lot, >> >> David >> >> >> >> 2014-08-25 12:34 GMT+02:00 Lori Jakab <loja...@cisco.com <mailto: >> loja...@cisco.com>>: >> >> >> On 8/24/14 5:47 AM, David F. Sire wrote: >> >> Hi, >> >> I'm using LISP tunnels in Openvswitch and I read in REAME-lisp >> that if "the VMs have IP addresses in the same subnet but the >> hypervisors are separated by a router" in the network >> topology, we need an ARP proxy. >> >> >> Can you give us more detail about what you are trying to do? >> Unless you really really want to work on an ARP proxy internal to >> OVS, there may be other solutions. >> >> For example, you could use /32 (v4) or /128 (v6) addresses in your >> VMs to avoid having two communicating hosts being in the same >> subnet and sending ARP requests if the first place. >> >> Alternatively, if you use an external controller, or you have a >> static environment, you can implement an “ARP responder” with flow >> rules only, as is done by OpenStack: >> >> https://wiki.openstack.org/wiki/Ovs-flow-logic#OVS_flows_ >> logic_with_local_ARP_responder >> >> You can find detailed examples in the following blog post, look >> for Table 105 - ARP responder: >> >> http://dtucker.co.uk/hack/building-a-router-with-openvswitch.html >> >> Let us know if this helps with your use case, or please describe >> what you’re trying to achieve. >> >> HTH, >> -Lori >> >> >> >> What i want to do is to add this proxy in the code. >> >> I have no idea how to do it. >> >> Any help will be appreciated. >> >> Thanks, >> David >> >> >> >
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