Bug ID 1295657: ARP probes to rSeries management IP are answered by both mgmt and mgmt0-system

Last Modified: Aug 14, 2024

Affected Product(s):
F5OS F5OS, F5OS-A(all modules)

Known Affected Versions:
F5OS-A 1.0.0, F5OS-A 1.0.1, F5OS-A 1.1.0, F5OS-A 1.1.1, F5OS-A 1.2.0, F5OS-A 1.3.0, F5OS-A 1.3.1, F5OS-A 1.3.2, F5OS-A 1.4.0, F5OS-A 1.5.0, F5OS-A 1.5.1

Fixed In:
F5OS-A 1.7.0, F5OS-A 1.5.2

Opened: May 08, 2023

Severity: 2-Critical

Symptoms

Intermittent management connectivity issues.

Impact

Intermittent management connectivity issues.

Conditions

ARP probers to rSeries mgmt-ip.

Workaround

A temporary workaround is to update the arp-related kernel paraments on the mgmt interface. sysctl -w net.ipv4.conf.mgmt.arp_ignore=2 sysctl -w net.ipv4.conf.mgmt.arp_announce=1 sysctl -w net.ipv4.conf.mgmt.rp_filter=1

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips