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156-215.80 · Question #267

You are using SmartView Tracker to troubleshoot NAT entries. Which column do you check to view the NAT'd source port if you are using Source NAT?

The correct answer is B. XlateSPort. In SmartView Tracker, the XlateSPort column displays the translated (NATed) source port when Source NAT is applied to a connection.

Network Address Translation (NAT)

Question

You are using SmartView Tracker to troubleshoot NAT entries. Which column do you check to view the NAT'd source port if you are using Source NAT?

Options

  • AXlateDst
  • BXlateSPort
  • CXlateDPort
  • DXlateSrc

How the community answered

(30 responses)
  • A
    7% (2)
  • B
    87% (26)
  • C
    3% (1)
  • D
    3% (1)

Why each option

In SmartView Tracker, the XlateSPort column displays the translated (NATed) source port when Source NAT is applied to a connection.

AXlateDst

XlateDst shows the translated destination IP address, which is relevant to Destination NAT, not the source port.

BXlateSPortCorrect

XlateSPort stands for 'Translated Source Port' and is populated by Check Point's NAT engine when Source NAT (including Hide NAT) translates the originating port of a connection. Checking this column confirms which port the gateway assigned after translation, which is essential when troubleshooting port exhaustion or Source NAT behavior.

CXlateDPort

XlateDPort shows the translated destination port, which is used in Destination NAT or Static NAT port mapping scenarios, not Source NAT source port translation.

DXlateSrc

XlateSrc shows the translated source IP address (e.g., the Hide NAT IP), not the translated source port.

Concept tested: SmartView Tracker NAT log columns for Source NAT troubleshooting

Source: https://sc1.checkpoint.com/documents/R77/CP_R77_SmartCenter_AdminGuide/html_frameset.htm

Topics

#SmartView Tracker#NAT logging#XlateSPort#source NAT

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