From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: passt.top; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: passt.top; dkim=pass (2048-bit key; secure) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.a=rsa-sha256 header.s=202508 header.b=w/UbcIa9; dkim-atps=neutral Received: from mail.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by passt.top (Postfix) with ESMTPS id AC02A5A026F for ; Tue, 30 Sep 2025 02:23:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gibson.dropbear.id.au; s=202508; t=1759191820; bh=aG+7+/hs3RzBZB26bS9No/lKaBkE2xZzxoYU8x6AUSg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=w/UbcIa9Yz7yj7ldQXCV6yQ+B/hbyJ4F40bR6Ms/+BA9YY/jtjaTHqdZXVce9eQVd 9G/huUJqh6KXfSELvn924J0Hiv2JK/0Zu1g7AWt2i301oFAEPyFdMVpfpNvSgT8r3d FROp4RGlJ2z5DW/3jxcvV+46v+QDj605v/CKMSTB25eAcMAthOgJuEF5ejKeLZDOlZ tqm2tfXdufH6hOWa2Ym3LzqG/v81PAITy1maBg818uJ4OsCpVZanK2sPcLZZ/wxGOa xu5fMgpukwqBAgayrQ2TUgGlch4J3/CU4fp/vNPfWAwVLDvKd9QcbbtRmMEg0V+SCU 2i5a2WADTY7jg== Received: by gandalf.ozlabs.org (Postfix, from userid 1007) id 4cbJgw6X9yz4wCR; Tue, 30 Sep 2025 10:23:40 +1000 (AEST) Date: Tue, 30 Sep 2025 10:15:21 +1000 From: David Gibson To: Stefano Brivio Subject: Re: [PATCH v9 9/9] arp/ndp: send gratuitous ARP / unsolicitated NA when MAC cache entry added Message-ID: References: <20250924011330.1168921-1-jmaloy@redhat.com> <20250924011330.1168921-10-jmaloy@redhat.com> <2cf5fd66-a5f5-45b0-8e4d-57ab56bf874c@redhat.com> <1ea1be6e-dc51-4771-8cdc-84acf917d7f6@redhat.com> <20250930002344.638eb34e@elisabeth> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="MXts8q5yJEqfmaMy" Content-Disposition: inline In-Reply-To: <20250930002344.638eb34e@elisabeth> Message-ID-Hash: 36WV2ANMIXGH7CBHFC3B7YCYJLPFJBRR X-Message-ID-Hash: 36WV2ANMIXGH7CBHFC3B7YCYJLPFJBRR X-MailFrom: dgibson@gandalf.ozlabs.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Jon Maloy , dgibson@redhat.com, passt-dev@passt.top X-Mailman-Version: 3.3.8 Precedence: list List-Id: Development discussion and patches for passt Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --MXts8q5yJEqfmaMy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Sep 30, 2025 at 12:23:44AM +0200, Stefano Brivio wrote: > On Mon, 29 Sep 2025 14:08:27 +1000 > David Gibson wrote: >=20 > > Instead, it advises sending ARP requests in order to announce a MAC to > > the networm. >=20 > Network, you meant network! The other plan is not public yet. :) Turns out the only portable way to do ARP announcements is to infect the other hosts and fix the bugs in their ARP handling. :) --=20 David Gibson (he or they) | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you, not the other way | around. http://www.ozlabs.org/~dgibson --MXts8q5yJEqfmaMy Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEO+dNsU4E3yXUXRK2zQJF27ox2GcFAmjbIRgACgkQzQJF27ox 2GfE3xAAqPj17euVOJwOlgu8chmVXYAh4x/J7Oc5kY/BlYlXKt2DrTKa3xJ0w55N CJ5yjJs1BJVcdskvcRD2/8SP+SNvsP4h4h0kaIjlfVD9EdI9NPrvmvPcTSxaD+PN 1UTeVyWglYKytNaRcn8RfSku2ANOY+xeR6NWzASVVCv8Pqt4i0YMS4ed+byHjQKC Q2krO5hV3XWk5ukhO++64Pjm1ObkNUbWMx7VWWHTHb10glU0J2KhrjSgNRyT5GNT A0GUiheUsUTiQGX37ZDpnQzyRB9Zgx2C9c/UeMCm5uMA1zpAXu98rwp0pLe7vGKq rbEbBZ2jm1sA32+2vmRaQ/8pP+B86HPoopcE7TjHKOcKFabNrZqnjOKOdpaZvw9J iv4p4dwGcMMpZGiRI9gq6DCD2OO7Vnpi8oW+JKgbJQJvmxqnTq6EV8diDZEHg9NP bxChtugB6iVR5jXJLqcDbk82aJ6Y/6I8hb16yqDjHPu8Y22aU53EGt8wDTFzjMye 7RVobfNVuGPbfEleTPajY8KWtJe5TzGu1pwBlBMkzzZ1Gevi2Z9pH4tK4oh6hnSz pdVc/zo9tB7MWrBjUWuKilGd4wy/Gvs5bnCs3iOnNqFH576taHlpYr7JXl3NBonA kypJLQbLVj6OurSRhx70z8u4fwZm/iHqgKtyxmtmVpVaq5gA0KM= =m2oi -----END PGP SIGNATURE----- --MXts8q5yJEqfmaMy--