BugZero | F5 BugID 677183 - Configuring 'ipport' as the TCP/UDP hash may cause...

F5 - Defect ID: 677183

Configuring 'ipport' as the TCP/UDP hash may cause IPSEC tunnels to fail

F5 - Defect ID: 677183

Configuring 'ipport' as the TCP/UDP hash may cause IPSEC tunnels to fail

Last updated on July 18th, 2026

BugZero Risk Score
6.9 Medium

Overall: 6.9

Severity: 7.3

Community: 4.2

Lifecycle: 8.7

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Bug Details

Priority: 3-Major
Status: Resolved
Impact Category: Carrier-Grade NAT
Views: 1

Description

Symptoms

IPSEC tunnels connections may fail.

Impact

Some IPSEC connections may fail. This could also cause performance issues.

Conditions

When the system db variables tcp.hash and udp.hash are set to the 'ipport' value.

Workaround

Do not use ipport for the tcp/udp hash.

Fix Information

None

Change history

Links

Original Vendor Announcement

Relevant Products

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Affected versions:13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 13.1.3.5, 13.1.3.6, 13.1.4, 13.1.4.1, 13.1.5, 13.1.5.1, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: No known fixed versions

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F5 - Defect ID: 677183

Configuring 'ipport' as the TCP/UDP hash may cause IPSEC tunnels to fail

F5 - Defect ID: 677183

Configuring 'ipport' as the TCP/UDP hash may cause IPSEC tunnels to fail

Last updated on July 18th, 2026

BugZero Risk Score6.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 677183

Configuring 'ipport' as the TCP/UDP hash may cause IPSEC tunnels to fail

F5 - Defect ID: 677183

Configuring 'ipport' as the TCP/UDP hash may cause IPSEC tunnels to fail

Last updated on July 18th, 2026

BugZero Risk Score6.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.9 Medium

BugZero Risk Score
6.9 Medium