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Knowledge Base

FAQ: Why there is port number in the ICMP of firewall’s Session table?

Publication Date:  2019-07-09  |   Views:  732  |   Downloads:  0  |   Author:  SU1000722738  |   Document ID:  EKB1000014480

Contents

Issue Description

Use the command “display fire wall session table” check the entry below:
icmp: X.X.10.22:512 <-- X.X.10.25:512
From above it can be seen that there is port number 512 in Layer 3 protocol’s ICMP.

Alarm Information

None.

Handling Process

Because there is no conception of port number to ICMP, so the saved in ICMP conversation is ICMP ID.

Root Cause

None.

Suggestions

None.