From nobody Mon Dec 8 01:11:47 2025 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4dPkTg4p7nz6JdDf for ; Mon, 08 Dec 2025 01:11:51 +0000 (UTC) (envelope-from rozhuk.im@gmail.com) Received: from mail-ej1-x635.google.com (mail-ej1-x635.google.com [IPv6:2a00:1450:4864:20::635]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dPkTg2hbBz3GnL for ; Mon, 08 Dec 2025 01:11:51 +0000 (UTC) (envelope-from rozhuk.im@gmail.com) Authentication-Results: mx1.freebsd.org; none Received: by mail-ej1-x635.google.com with SMTP id a640c23a62f3a-b75c7cb722aso552003266b.1 for ; Sun, 07 Dec 2025 17:11:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1765156310; x=1765761110; darn=freebsd.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:date:from:from:to:cc:subject:date :message-id:reply-to; bh=ugQpQ57N1XPyacGKXp0NppbeSALyCGkyG/dBxyzw2Jw=; b=etO4IuCe6uPeDzFhCm/bAMn6Kx2FRzW6rdUM46EcjGiTid/OBZRXTTyAibMKS2y1GX +06xhwuuC++fYq+jhXpm/FIaw0QOH48n1hSUEEogTINTwtnKbNQF1O86GOA2PBFL/PBm hAtXuJS9R4LTlMO2OwinMVrSQDM5q30D7IzK484Xb+fgH7ie3i+cUpPqD65uTcd+fqYO HWv6gLgFuthJzKX6QKeC4xmGmVs2ekSJ81iYf0nXNN4q827Xpf9Q+ZE6PArwdKHOMtUd ytp3xJLb9zq7i1BtfLDsHmxbwDkOUvsGCenxcLWJJWXxnhwAUBvbIts+TZ4ohvO/nQGu izMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1765156310; x=1765761110; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:date:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=ugQpQ57N1XPyacGKXp0NppbeSALyCGkyG/dBxyzw2Jw=; b=Z55L2mMHInt7+5sbLY/szYxt70d3JkJvYuAJ7YpGcmWukQPzOHvWvDG67qVsulJb4M vxk9u22j2AgLntvvsr5vuz9KqKptC0Qwo6aY0zUfZZquhOOboD7blfom8SW6/81vCUaY pGyaLgsv8sz1BNA+mCL50dJAV2PCeVF83WfMmFUKh1WZKHyiPqRb7eNpGmfHPfydt/57 Mcku7Ytb0VVYHIfT3wRgNXXPH/tCXz03Tsp7ACfN9eSwEKT5kKv1jp9nxiHPk65K+/hD Zbxlj78iUAxw2n4ZwBEw2kqXaj3lB2aqfj9YouVuVHUanhR6JD4BclJGw7GaG5U6FICk 63zg== X-Gm-Message-State: AOJu0YwTS17pXHkg4mHlytytZNH9P/oGHh8+8ktfkqv3aPn9eTnHUwkO kiEb93OlshkQfYbxqsP8rW0tpCWcvB2XWffwt3IHo07BtM8OitKMEMzvVP0TMesB X-Gm-Gg: ASbGncvGrVpbn54domrxGhbLY/Nk2H0OsLJXwLOHyvj8ZASaN1JshNZ5RAX05R0345b MUfWGGtj2U0ypia2nLZXlFRVR4xzbm5RIU9NITv1NTOIMlKrNtTBlx+6nWG4DM1CxbvoxazFkmt 2qab1PhSLxIxpiJUiKkUYdyvy1lOw5/MTJA5ULa3b6Oi3XQ5mwGY+xof1N2qOX6+jFzkaPv/CWW pLUy6jjgcgIf8AfBIuZGyx0zKTezGkbmEH62LnFG0KRjRdq0QvLuNUP8iW+JaH0d8bqKVEHBcBJ ZYQIPC3BkC9/TbNxTkeOiObZZGoEkL3i9wxcnHcCICsgY51ChCIcTx314oprVj3Ao2NFdhMougT 4MxbccW/0QLtwyFtPDoZCSVcB4Pjp01nlZWlChBAM+YM2ZBbz5uXWIqClF2KdpzgYbroBqaoc9w 5lbt78xZHYRlUFRYf27eHvz/xV X-Google-Smtp-Source: AGHT+IH2l0V+Enbb4kKQI5YUAcry2HFoB7RMX2cdknYs4EXRWNBsdJEw1CcarNbTbUs3hKvQ0jWkFQ== X-Received: by 2002:a17:907:3e14:b0:b73:667e:bb29 with SMTP id a640c23a62f3a-b7a2428dd62mr597376566b.8.1765156309929; Sun, 07 Dec 2025 17:11:49 -0800 (PST) Received: from rimwks.local ([2001:470:1f1b:4dc:f489:3de4:6515:f056]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b79f4a2f401sm962911166b.65.2025.12.07.17.11.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Dec 2025 17:11:49 -0800 (PST) From: Rozhuk Ivan X-Google-Original-From: Rozhuk Ivan Date: Mon, 8 Dec 2025 03:11:47 +0200 To: Michael Butler Cc: freebsd-current Subject: Re: fib selection and persistence using ipfw Message-ID: <20251208031147.393b2391@rimwks.local> In-Reply-To: <20350073-abc5-4116-9fd7-8e8f708a26d4@protected-networks.net> References: <20350073-abc5-4116-9fd7-8e8f708a26d4@protected-networks.net> X-Mailer: Claws Mail 4.3.1 (GTK 3.24.51; amd64-portbld-freebsd14.3) List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; TAGGED_FROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4dPkTg2hbBz3GnL On Sun, 7 Dec 2025 17:28:49 -0500 Michael Butler wrote: > Having two upstream providers, I'm trying to enforce symmetric > routing which, in OpenBSD's pf config can be implemented using .. > > # Inbound control-plane to the firewall itself (per-WAN reply-to for > symmetry) > pass in on $wan_a proto { tcp, udp, icmp } to ($wan_a) \ > reply-to ($wan_a $gw_a) keep state > pass in on $wan_b proto { tcp, udp, icmp } to ($wan_b) \ > reply-to ($wan_b $gw_b) keep state > > I've tried all manner of ipfw packet tagging in the hope that it > would yield similar results, e.g. > > setfib 1 ip from any to any recv tap0 > setfib 1 ip from any to any tagged 1 > count tag 1 ip from any to any recv tap0 > > [ .. ] > > check-state > allow ip from .. keep-state > deny log ip from any to any > > Is anyone else doing something like this on -current? Actually no, but: ifconfig vlan1001 172.16.0.31/24 fib 1 ifconfig vlan1002 172.16.0.32/24 fib 2 Do not forget set fib to network interface like it done in examlpe. In my case if same IP+mask set on more than one net if - only last one will process packets to sockets.