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schmal_111133's avatar
schmal_111133
Icon for Nimbostratus rankNimbostratus
Feb 13, 2013

specific source port translation

Hi,   I am trying to do SNAT while selecting a specific port for that but for some reason when the F5 receive the response it is sending a RST to the WS and not retranslating it to the original IP...
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nitass's avatar
nitass
Icon for Employee rankEmployee
Feb 15, 2013
this is from output.pcap. syn-ack (pkt 3) was handled by tmm1 but syn (pkt 2) was sent by tmm0. 

No.     Time                       Delta Time  Source                Src port Destination           Protocol Dst port Window     BiF        Vlan id Length Info
      2 2013-02-15 19:35:14.506284 0.000738    10.107.200.200        11121    173.194.44.114        TCP      80       5840                  16      163    OUT s0/tmm0 : 11121 > 80 [SYN] Seq=3317070260 Win=5840 Len=0 MSS=1460 SACK_PERM=1 TSval=2770093632 TSecr=0 WS=512
      3 2013-02-15 19:35:14.587930 0.081646    173.194.44.114        80       10.107.200.200        TCP      11121    1460                  16      163    IN  s0/tmm1 : 80 > 11121 [SYN, ACK] Seq=2187993620 Ack=3317070261 Win=1460 Len=0 MSS=1460 SACK_PERM=1 TSval=686669023 TSecr=2770093632 WS=64
      4 2013-02-15 19:35:14.587964 0.000034    10.107.200.200        11121    173.194.44.114        TCP      80       0          42         16      185    OUT s0/tmm1 : 11121 > 80 [RST, ACK] Seq=3317070261 Ack=2187993621 Win=0 Len=42