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.. This work is licensed under a Creative Commons Attribution 4.0 International
.. License.
.. http://creativecommons.org/licenses/by/4.0
.. (c) OPNFV, National Center of Scientific Research "Demokritos" and others.
=========================================================
vCGNAPT - Release Notes
=========================================================
Introduction
================
This is the beta release for vCGNAPT VNF.
vCGNAPT application can be run independently (refer INSTALL.rst).
User Guide
===============
Refer to README.rst for further details on vCGNAPT, HLD, features supported,
test plan. For build configurations and execution requisites please refer to
INSTALL.rst.
Feature for this release
===========================
This release supports following features as part of vCGNAPT
- vCGNAPT can run as a standalone application on bare-metal linux server or on a virtual machine using SRIOV and OVS dpdk.
- Static NAT
- Dynamic NAT
- Static NAPT
- Dynamic NAPT
- ARP (request, response, gratuitous)
- ICMP (terminal echo, echo response, passthrough)
- ICMPv6 and ND (Neighbor Discovery)
- UDP, TCP and ICMP protocol passthrough
- Multithread support
- Multiple physical port support
- Limiting max ports per client
- Limiting max clients per public IP address
- Live Session tracking to NAT flow
- PCP support
- NAT64
- ALG SIP
- ALG FTP
System requirements - OS and kernel version
==============================================
This is supported on Ubuntu 14.04 and 16.04 and kernel version less than 4.5
VNFs on BareMetal support:
OS: Ubuntu 14.04 or 16.04 LTS
kernel: < 4.5
http://releases.ubuntu.com/16.04/
Download/Install the image: ubuntu-16.04.1-server-amd64.iso
VNFs on Standalone Hypervisor
HOST OS: Ubuntu 14.04 or 16.04 LTS
http://releases.ubuntu.com/16.04/
Download/Install the image: ubuntu-16.04.1-server-amd64.iso
- OVS (DPDK) - 2.5
- kernel: < 4.5
- Hypervisor - KVM
- VM OS - Ubuntu 16.04/Ubuntu 14.04
Known Bugs and limitations
=============================
- Hadware Load Balancer feature is supported on fortville nic FW version 4.53 and below.
- L4 UDP Replay is used to capture throughput for dynamic cgnapt
- Hardware Checksum offload is not supported for IPv6 traffic.
- CGNAPT on sriov is tested till 4 threads
Future Work
==============
- SCTP passthrough support
- Multi-homing support
- Performance optimization on different platforms
References
=============
Following links provides additional information for differenet version of DPDKs
.. _QUICKSTART:
http://dpdk.org/doc/guides-16.04/linux_gsg/quick_start.html
http://dpdk.org/doc/guides-16.11/linux_gsg/quick_start.html
http://dpdk.org/doc/guides-17.02/linux_gsg/quick_start.html
http://dpdk.org/doc/guides-17.05/linux_gsg/quick_start.html
.. _DPDKGUIDE:
http://dpdk.org/doc/guides-16.04/prog_guide/index.html
http://dpdk.org/doc/guides-16.11/prog_guide/index.html
http://dpdk.org/doc/guides-17.02/prog_guide/index.html
http://dpdk.org/doc/guides-17.05/prog_guide/index.html
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