Tuesday, January 24, 2023

Re: OpenBSD as a transparent switch filter

> On 25 Jan 2023, at 10:03, Martin Schröder <martin@oneiros.de> wrote:
>
> Am Mi., 25. Jan. 2023 um 00:45 Uhr schrieb David Gwynne <david@gwynne.id.au>:
>> I think you can do this on OpenBSD with https://github.com/eait-itig/commarp and just routing on em0. I don't think any layer 2 things like bridge or veb are needed, and probably won't work anyway because as Claudio said, they don't want to hairpin anyway.
>
> But arp only works for vintage-ip.

You mean IP-classic? I'd argue it should be less than the majority of traffic on the Internet before we call it vintage.

The principle could be applied to v6 as well.

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