Forum Discussion

Kalpesh_48932's avatar
Kalpesh_48932
Icon for Nimbostratus rankNimbostratus
Jul 09, 2012

Port forwarding for SMTP

Hello,     i have done port forwarding for SMTP traffic. for this I have configured VIP on port 25 and pool members of this VIP on port 2500.     however when i test i get this TWO below d...
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nitass's avatar
nitass
Icon for Employee rankEmployee
Jul 10, 2012
Can you tell me tcpdump command to display capture during test? I want to test connection on VIP. can you try this?

 

 

to screen

 

tcpdump -nni 0.0 \(host 10.155.65.43 and port 25\) or \(host 10.155.63.126 or host 10.155.63.153 and port 2500\)

 

 

to file

 

tcpdump -nni 0.0:nnn -s0 -w /var/tmp/output.pcap \(host 10.155.65.43 and port 25\) or \(host 10.155.63.126 or host 10.155.63.153 and port 2500\)