diff options
Diffstat (limited to 'docs/testing/user/userguide/readme.rst')
| -rw-r--r-- | docs/testing/user/userguide/readme.rst | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/docs/testing/user/userguide/readme.rst b/docs/testing/user/userguide/readme.rst index 785ffed..b437ff9 100644 --- a/docs/testing/user/userguide/readme.rst +++ b/docs/testing/user/userguide/readme.rst @@ -46,11 +46,21 @@ main purpose is to measure the performance of the NFVi infrastructure which is m External Chains --------------- -NFVbench also supports settings that involve externally staged packet paths with or without OpenStack: +NFVbench supports settings that involve externally staged packet paths with or without OpenStack: - run benchmarks on existing service chains at the L3 level that are staged externally by any other tool (e.g. any VNF capable of L3 routing) - run benchmarks on existing L2 chains that are configured externally (e.g. pure L2 forwarder such as DPDK testpmd) +Direct L2 Loopback (Switch or wire loopback) +-------------------------------------------- +NFVbench supports benchmarking of pure L2 loopbacks (see "--l2-loopback vlan" option) + +- Switch level loopback +- Port to port wire loopback + +In this mode, NFVbench will take a vlan ID and send packets from each port to the other port +(dest MAC set to the other port MAC) using the same VLAN ID on both ports. +This can be useful for example to verify that the connectivity to the switch is working properly. Traffic Generation ------------------ @@ -116,7 +126,8 @@ Multi-Chaining (N*PVP or N*PVVP) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Multiple service chains can be setup by NFVbench without any limit on the concurrency (other than limits imposed by available resources on compute nodes). -In the case of multiple service chains, NFVbench will instruct the traffic generator to use multiple L3 packet streams (frames directed to each path will have a unique destination MAC address). +In the case of multiple service chains, NFVbench will instruct the traffic generator to use multiple L3 packet streams (frames directed to each path will +have a unique destination MAC address). Example of multi-chaining with 2 concurrent PVP service chains: @@ -126,6 +137,8 @@ This innovative feature will allow to measure easily the performance of a fully Multi-chaining is currently limited to 1 compute node (PVP or PVVP intra-node) or 2 compute nodes (for PVVP inter-node). The 2 edge interfaces for all service chains will share the same 2 networks. +The total traffic will be split equally across all chains. + SR-IOV ^^^^^^ @@ -179,7 +192,7 @@ NFVbench is agnostic of the virtual switch implementation and has been tested wi - - - - +Limitations +*********** +NFVbench only supports VLAN with OpenStack. +NFVbench does not support VxLAN overlays. |