NAT44: endpoint dependent mode (VPP-1273)
To enable NAT plugin endpoint dependent mode add following to statrup config: nat { endpoint-dependent } Enable endpoint dependent filtering and mapping for all sessions. Move some existing functionality such as service load balancing, twice nat, out2in-only static mappings and unknown protocol dynamic translations, which use endpoint dependent lookup hash tables before. Basically split to vanilla NAT44 and extra features NAT44. Change-Id: I3925eb5ddcc8f1ec4cf6af4e2a618a7ec7aa9735 Signed-off-by: Matus Fabian <matfabia@cisco.com>
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48
src/scripts/vnet/nat44_lb
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48
src/scripts/vnet/nat44_lb
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create packet-generator interface pg0
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create packet-generator interface pg1
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packet-generator new {
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name f1
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limit 1000000
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node ip4-input
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size 64-64
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no-recycle
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worker 0
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interface pg1
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data {
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UDP: 172.16.1.11 -> 172.16.1.3
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UDP: 3001 -> 3000
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length 128 checksum 0 incrementing 1
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}
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}
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packet-generator new {
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name f2
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limit 1000000
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node ip4-input
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size 64-64
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no-recycle
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worker 1
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interface pg1
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data {
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UDP: 172.16.1.10 -> 172.16.1.3
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UDP: 3001 -> 3000
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length 128 checksum 0 incrementing 1
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}
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}
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nat44 add address 172.16.1.3
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nat44 add load-balancing static mapping protocol udp external 172.16.1.3:3000 local 10.0.0.10:30000 probability 25 local 10.0.0.11:30000 probability 25 local 10.0.0.12:30000 probability 25 local 10.0.0.13:30000 probability 25
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set int ip address pg0 10.0.0.1/24
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set int ip address pg1 172.16.1.1/24
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set int state pg0 up
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set int state pg1 up
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set ip arp static pg0 10.0.0.10 abcd.abcd.abcd
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set ip arp static pg0 10.0.0.11 abcd.abcd.abce
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set ip arp static pg0 10.0.0.12 abce.abcd.abcd
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set ip arp static pg0 10.0.0.13 abce.abcd.abce
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set ip arp static pg1 172.16.1.10 cdef.abcd.abcd
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set ip arp static pg1 172.16.1.11 cdef.abcd.abce
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set int nat44 in pg0 out pg1
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trace add pg-input 10
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@ -33,7 +33,7 @@ packet-generator new {
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}
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nat44 add address 172.16.1.3
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nat44 add static mapping local 10.0.0.3 3000 external 172.16.1.3 3000
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nat44 add static mapping udp local 10.0.0.3 3000 external 172.16.1.3 3000
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set int ip address pg0 10.0.0.1/24
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set int ip address pg1 172.16.1.1/24
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set int state pg0 up
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