BugZero | F5 BugID 975093 - Dynamic template HA: Missing ike/ipsec-sa's are se...

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

Last updated on July 18th, 2026

BugZero Risk Score
8.6 High

Overall: 8.6

Severity: 9.1

Community: 4.2

Lifecycle: 8.3

What is the BugZero Risk Score?

F5 Integration

Learn more about where this data comes from

F5 Integration

Learn more

BugZero Plan

Streamline upgrades with automated vendor bug scrubs

BugZero Plan

Learn more

BugZero Prevent

Wish you caught this bug sooner? Get proactive today.

BugZero Prevent

Learn more

Bug Details

Priority: 2-Critical
Status: Verified
Impact Category: TMOS

Description

Symptoms

IPsec SA's are missing when traffic was stopped and started again.

Impact

IPSEC SA's are not propagated to the standby device.

Conditions

-- IPSEC dynamic templates configured -- IPSEC traffic is started, stopped, and started again

Workaround

None

Fix Information

HA-Template : Missing IKE SA's on standby when tunnels are deleted and recreated, issue related to buffer length.

Change history

Top F5 Defects

9.6Defect ID: 546260
TMM can crash if using the v6rd profile
9.6Defect ID: 934133
Unable to Create/delete ltm virtual server via CLI transaction when destination is not specified on the ltm virtual object
9.6Defect ID: 1154417
Profile based attack is not mitigated at hardware on L2 wire setup
9.6Defect ID: 913713
Rebooting a blade causes MCPd to core as it rejoins the cluster
9.6Defect ID: 2141125
Multicast traffic is dropped with incorrect VLAN tagging

F5 Integration

Learn more about where this data comes from

F5 Integration

Learn more

BugZero Plan

Streamline upgrades with automated vendor bug scrubs

BugZero Plan

Learn more

BugZero Prevent

Wish you caught this bug sooner? Get proactive today.

BugZero Prevent

Learn more

Ready to prevent the next vendor outage?

Get a demo

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

Last updated on July 18th, 2026

BugZero Risk Score
8.6 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

Last updated on July 18th, 2026

BugZero Risk Score
8.6 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

Last updated on July 18th, 2026

BugZero Risk Score8.6 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

F5 - Defect ID: 975093

Dynamic template HA: Missing ike/ipsec-sa's are seen on standby BIG-IP when dynamic tunnels are initiated

Last updated on July 18th, 2026

BugZero Risk Score8.6 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
8.6 High

BugZero Risk Score
8.6 High