Bug ID 468356: Ubuntu KVM: VE is unreachable for IPv6 traffic

Last Modified: Mar 17, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP VE(all modules)

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3,,,,, 11.6.4, 11.6.5,,,

Opened: Jun 22, 2014
Severity: 2-Critical


VE is unreachable. - run "ping6 <ve-self-ip>" and no response - run "ip -6 neigh show" and network discovery failed for VE


VE is unreachable


Found it on Ubuntu-14.x KVM when using macvtap interfaces


This is not BIG-IP VE issue, instead, it's the default configuration issue on KVM host. We have two workarounds to fix this issue: 1. Use bridge interface(s) rather than macvtap interface(s) 2. Enable promiscuous mode for macvtap interface(s) and all interfaces they derive from

Fix Information


Behavior Change