Bug ID 473680: Multiple DHCP solicit packets may not succeed.

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2 HF1, 11.5.3 HF1, 11.5.3 HF2, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.0.0, 11.6.0 HF5

Opened: Jul 30, 2014

Severity: 2-Critical

Related Article: K17559

Symptoms

Some DHCP solicit packets might be dropped.

Impact

The assignment of an address to an end node may be delayed as some DHCP Solicit packets might be discarded.

Conditions

If the same server flow is used for multiple requests only one of them will succeed, the other request may never succeed. The request is dropped by the BIG-IP system.

Workaround

None.

Fix Information

In this release, multiple requests succeed using a single server flow, and the system sends the request back to the client using original connflow.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips