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
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