Symptoms

Data transfer between two BIG-IQs on IPv6 management interfaces are very slow and may get stalled.

Impact

The data transfer rate is very slow and the operation can get stalled.

Conditions

This can happen during high availability (HA) pairing or promote (This involves scp, rsync) or during any workflow that involves bulk data transfers.

Workaround

1. Disable large receive offload on BIG-IQ: # ethtool -K eth0 lro off The issue can be with any other feature offload as well. The current state of these features can be seen with this command: # ethtool -k eth0 2. Switch management interface to ipv4 3. Use selfip for communication

Fix Information

None

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips