I recommend you to take a look at DANOS. https://danosproject.atlassian.net/wiki/spaces/DAN/pages/416153601/Carrier+Grade+NAT+CGNAT
- A very active open-source project. - Sponsored by AT&T. - Uses Vyatta (and DPDK for good performance) - The Routing Engine is based on FRR. - Syntax sounds like Junos. - Is the ONLY ONE open source project(at least that I know) that implements CGNAT on Bulk Port Allocation mode(not deterministic/predefined). - Had very good improvements on PCP recently. - Supports a few NAT-ALGs. I and some good friends here in Brazil had some good experiences with it. Marcelo Gondin wrote this tutorial in pt_BR, mentioning about a case with: 26Gbps / 1.5Mpps / 11502 simultaneous clients / 192 used Públic IPv4 addresses. https://wiki.brasilpeeringforum.org/w/CGNAT_Bulk_Port_Allocation_com_DPDK Em sex., 19 de fev. de 2021 às 11:57, Steve Saner <ssa...@ideatek.com> escreveu: > We are starting to look at CGNAT solutions. The primary motivation at the > moment is to extend current IPv4 resources, but IPv6 migration is also a > factor. > > We've been in touch with A10. Just wondering if there are some alternative > vendors that anyone would recommend. We'd probably be looking at a solution > to support 5k to 15k customers and bandwidth up to around 30-40 gig as a > starting point. A solution that is as transparent to user experience as > possible is a priority. > > Thanks > > -- > Steve Saner > ideatek HUMAN AT OUR VERY FIBER > > This email transmission, and any documents, files or previous email > messages attached to it may contain confidential information. If the reader > of this message is not the intended recipient or the employee or agent > responsible for delivering the message to the intended recipient, you are > hereby notified that any dissemination, distribution or copying of this > communication is strictly prohibited. If you are not, or believe you may > not be, the intended recipient, please advise the sender immediately by > return email or by calling 620.543.5026. Then take all steps necessary to > permanently delete the email and all attachments from your computer system. > -- Douglas Fernando Fischer Engº de Controle e Automação