Sent from my iPhone

On May 19, 2012, at 19:02, faicker mo <[email protected]> wrote:

> 
> On 2012-5-19, at 下午11:11, Ben Pfaff wrote:
> 
>> On Sat, May 19, 2012 at 09:30:40PM +0800, faicker mo wrote:
>>> I have viewed the ovs-ofctl man page, I found that the arp match has
>>> only arp_sha and arp_dha. It can't match the source ip in arp(SPA) and
>>> destination ip(DPA) in arp. Without this, the arp spoofing can't be
>>> prevented.
>> 
>> Use nw_src or nw_dst.  This is documented in ovs-ofctl(8).
> 
> Sorry for my overlook. 
> 
>> 
>>>    OVS replaces the bridge default in kernel. Ebtables can't
>>>    work. But now OVS doesn't have enough function to replace
>>>    eatables. For example, arp_reply module in eatables.
>> 
>> No, OVS doesn't replace anything, it provides a supplement.
> 
> But when I use OVS,  I can't use eatables.(need bridge module)

Why you need ebtables. You can construct rules to block ARP and IP spoofing 
using ovs-ofctl for example. 

>> 
>>>    I have successfully realized the broute which is in eatables by OVS.
>> 
>> I don't understand that sentence.
> 
> For this, OVS replaces ebtables 
_______________________________________________
discuss mailing list
[email protected]
http://openvswitch.org/mailman/listinfo/discuss

Reply via email to