3.2. Typical issues

• 3.2.1. Startup Issues
  • Virtual Accelerator cannot start
  • Hugepages fragmentation
  • Not enough memory
  • 1G hugepages problems
  • Invalid core-port mapping
  • fast path service fails to start
• 3.2.2. Networking Issues
  • Ports synchronization problems
  • No packets are forwarded
  • Netfilter synchronization problems
  • Connectivity problems
  • Network configuration lost after restart
  • Hotplug ports lost after reboot
  • DKMS takes too long
  • Open vSwitch synchronization problems
  • Open vSwitch and GRE / VXLAN issues
  • VRRP is unable to work on VMware virtual machines
  • Conflict between i40e FW-LLDP and software LLDP agents
• 3.2.3. Performance Tuning
  • Slow packet processing
  • Netfilter interferences
  • Performance drop with Mellanox ConnectX-3 devices
  • Performance optimization for the NFV use case
• 3.2.4. Virtual Environment
  • libvirt and hugepages
  • Cannot read disk image
  • Performance degradation and serial link
  • Performance degradation and offloads