Bug ID 1311977: IPsec interface mode tunnel not sending icmp unreachable fragmentation needed

Last Modified: Dec 07, 2023

Affected Product(s):
BIG-IP TMOS(all modules)

Opened: Jun 26, 2023

Severity: 4-Minor

Symptoms

When the ESP packet is not fragmented.

Impact

This issue causes data loss.

Conditions

- When the ESP packet is not fragmented. - When the size of the packet is bigger than MTU.

Workaround

Configure a bigger value for MTU.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips