Douglas Fischer fischerdouglas at
Fri Feb 19 18:04:56 UTC 2021

I recommend you to take a look at DANOS.

- 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

Em sex., 19 de fev. de 2021 às 11:57, Steve Saner <ssaner at>

> 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
> 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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the NANOG mailing list