From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mail.toke.dk; spf=pass smtp.mailfrom=; dkim=pass header.d=gmail.com; arc=pass; dmarc=pass (Used From Domain Record) header.from=gmail.com policy.dmarc=quarantine Received: from mail-oo1-xc35.google.com (mail-oo1-xc35.google.com [IPv6:2607:f8b0:4864:20::c35]) by mail.toke.dk (Postfix) with ESMTPS id 4672311F731F for ; Thu, 11 Jun 2026 16:03:39 +0200 (CEST) Received: by mail-oo1-xc35.google.com with SMTP id 006d021491bc7-69ec2ebec61so1008752eaf.3 for ; Thu, 11 Jun 2026 07:03:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1781186617; cv=none; d=google.com; s=arc-20240605; b=UGwQws5TCCzpClH/84TUtGPEnL1Z7/rzfrYNy4EHiO5iMRVqMJkQOU3KFOq8ajVomv PgrO+a3q7+ldjspnJQnAPYgamb0bBkF8r9dp8yU5wf+rlrS/CGK3tcsqq2q27iF81/vX T/AW5tbmhmjDXZmBG2MUFY+KhfF9U2nWWKgcHbxnfI5Rux/Fmblms0IQdvoQ3n5EPqtI kSEy1dHdxUVutxpfZABqSDpsqnY/51JL+2srz/YCIRNOAdyb+wSDtfNNgGFhr0X3OnoF UaqCcoAnoRRynLKtGkq6Pn7TKWU/cUiMMHNfM0a6ByVcJcd7Qkr9n868WlEwGTCZIZqX rhQg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=to:subject:message-id:date:from:mime-version:dkim-signature; bh=33QKYXp5OEg+YOBL6Vb17KiyguUHHqcWV1kvXS2+OB4=; fh=W6J6UZbUXZ2hxtIB9oeeYlV+/tct+euEDMZXTQBxX3c=; b=DJVRkfo0W9AOyhhykrMYSx+nBbGCUB0fFn/WOXkuYEU/zw/WJJH8rHoBFKiDU0xJz1 K3s/LzqZUrWdPXIlPJVvXpo7Des01ioDxxbdYdpb2BiQDFLFyoae8J1p6SNuN48CuDr3 /NwOd65Wz+/LKxI/xqiJqbNX930pVHE2gUB8FzE/S5f+5WrkUqjGVyWZKaq4ZsimpDMG M2j8fa69W6SststFG6Mevsv6eUG9XmafgUtTVRcZ6uaaobX/y5w5g/kfghqjAKn7bm5p is8GnISLTgQhR9BEOSZOXp+WI+AA7NdyNJGERbk781yOIrMvOSK5U6YZGZYPiEdh8Tva pMjw==; darn=lists.bufferbloat.net ARC-Authentication-Results: i=1; mx.google.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1781186617; x=1781791417; darn=lists.bufferbloat.net; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=33QKYXp5OEg+YOBL6Vb17KiyguUHHqcWV1kvXS2+OB4=; b=puwG33fVGLBmIJHs9vNaYzWmDHOTy9lnPI/GTiXDJ2q60pUZOJlk0cnPYvW5qTEP71 /LrFcEHPdO2MFfFmGyFqFnAnSe68SCC4lUXMCQpm8c2jNXRij9orQYJxibYSoctb2ol+ ev0LXLpxiTq77bzZZQvHqs/wqazXWWLPFaj7Pw//q3fbmdFz6TwrnGy5aoeSwNEWj6Z8 ncWsKyQZ5vnOk6ZZrCQgQ5x7XsA+fE//rli8CyGWnhGOP08wEXuitff+J+GIw2h2+xxy D/obfvr9QNqEKBkPwd5rzljzj9cMGcUA/ZndFDG8r9Ax6qX+ik/zZSdtejQpiwHjR+1X gq4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781186617; x=1781791417; h=to:subject:message-id:date:from:mime-version:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=33QKYXp5OEg+YOBL6Vb17KiyguUHHqcWV1kvXS2+OB4=; b=DGHBjhIIP5g9h+/7Nwj/GW9k9mKSkKay0ai2lMDPX3zTuRGOHIovkRL9KXPB4+w1YU MU7DRuNAQX9+i4RJEgY7X2sp5TU22KVTdiktCe630xaeDMHmG4x+256K9Wh+/kJYIKXd dfnA3uGCJoW+YbJN9wBP07JdLFeIq+tAYdJpeJXjsLbqghgjOlyKoPE0pAl9waKf5fyd xGSwB+fjrF3ehq76YIhTfJNYICG5oK1BXjUMWCMZ6JGhYMpKdPzweHR+vPtj8CZ/hQ4/ Ba9/7U9/uANUPuKb9gYd/WRj93yGlqHQJnqQ7TuL9P8HC1FrDYdHpKwILRoiVg0svThd lKgQ== X-Gm-Message-State: AOJu0YzBY4MjWZWc/jrKEIbzx8jskcLNL4sOrwZInta5M1OXKrnmh1ml vOlmfJUohaciybMPEk734fY/u3Lxp0hmQHhP019F5VWt9oW2jZR9Dl+hNHmtRS5N2dEQqxKo79P mthafSedFu13WVj/H5ztzchuWDWq2mD60YP++wEI= X-Gm-Gg: Acq92OFRBBv79KF7UNgMv6tac/kg2UFLGZaKXrIVPn+u3i+QdGeRI7wQN2xzxZdCsDy KeAlnDsYyUVG3TKSzCUEwWuh4MDsBt2VasBw7Ic9xJ8lPYAAxIGrGDBdK9aXZp/NvkklV+RmFCl SUSmRCI283EckAyMK+TdWORPQwXukmf9I+OWRkfwc/3xZ0RmCeZsAH5YHfI8uZ888VkvwLybh7D g103lX0MKi0ScIEQ5D46Y9MSxErdcNJ/GOdS0/hD5SkHwjqj0NAya9mJil8oQ6LJaDbiL372f3f foLYJq/DhK7yo2b19UK9 X-Received: by 2002:a05:6820:222a:b0:69d:e72b:6e11 with SMTP id 006d021491bc7-69ecaee0762mr1934827eaf.28.1781186615485; Thu, 11 Jun 2026 07:03:35 -0700 (PDT) MIME-Version: 1.0 From: Braiam Date: Thu, 11 Jun 2026 10:03:24 -0400 X-Gm-Features: AVVi8Cfi9TcUak2yU4k5MC2EnRxNzDToTHDmpf3nLnJ0D13VmPAEI-tkGI3-ODI Message-ID: To: cake@lists.bufferbloat.net Content-Type: text/plain; charset="UTF-8" X-MailFrom: braiamp@gmail.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation Message-ID-Hash: 7KFXPEYKIZS5HY5WRLDYVTACD5AYSSZ6 X-Message-ID-Hash: 7KFXPEYKIZS5HY5WRLDYVTACD5AYSSZ6 X-Mailman-Approved-At: Thu, 11 Jun 2026 16:11:37 +0200 X-Mailman-Version: 3.3.10 Precedence: list Subject: [Cake] I see Steam CDN marking bulk downloads as CS2 List-Id: Cake - FQ_codel the next generation Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Hi list, I captured traffic during a Steam game download on an EdgeRouter X running CAKE with diffserv8 and nowash on ingress. Filtered by ip.dsfield.dscp == 16. Almost all of it is valve.net and steamcontent.com (162.254.192.0/21) with some fastly but the same underlying source: a game download. That seems like it's no bueno if I use cake at all. I put a tc filter on the ingress device to remark them as CS1 when they are obviously bulk (comes from Valve ip, has the CS2 mark *and* it has more than 1280 bytes), but I would prefer not to do that at all. I'm reporting these findings because while there's several posts on steam forums about downloads making everything slow, I haven't seen anyone reporting why traffic shapers might fail. BTW, using a EdgeOS out-of-tree build cake module [0] I see memory used in tc stats frozen even when I changed it while on runtime. Just throwing this here just in case it hits the right people. 0: https://community.ui.com/questions/Cake-compiled-for-the-EdgeRouter-devices/fc1ff27c-f321-4344-8737-fcc755cae8a2 "Cake compiled for the EdgeRouter devices" -- Braiam