Bug ID 1586765: In r2k/4k platforms vlan tagged to multiple interfaces, packets forwarded to all interfaces irrespective of destination is reachable.

Last Modified: Dec 05, 2024

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

Fixed In:
17.1.2

Opened: May 17, 2024

Severity: 2-Critical

Symptoms

In r2k/4k platforms, when the same VLAN is assigned to multiple interfaces, traffic originating from a tenant is being transmitted over all VLAN-tagged interfaces, rather than just the interface where the destination is reachable.

Impact

Packets may be transmitted over incorrect interfaces to subsequent networking devices. In such a scenario, devices adjacent would need to handle the additional traffic.

Conditions

When the same VLAN is assigned to multiple interfaces.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips