From nobody Thu Jun 12 05:33:01 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 4bHrm11CL2z5y9dt for ; Thu, 12 Jun 2025 05:33:21 +0000 (UTC) (envelope-from freebsd@walstatt-de.de) Received: from smtp052.goneo.de (smtp5.goneo.de [IPv6:2001:1640:5::8:30]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4bHrm05lFRz3pwh; Thu, 12 Jun 2025 05:33:20 +0000 (UTC) (envelope-from freebsd@walstatt-de.de) Authentication-Results: mx1.freebsd.org; none Received: from hub2.goneo.de (hub2.goneo.de [IPv6:2001:1640:5::8:53]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by smtp5.goneo.de (Postfix) with ESMTPS id B4B412402CE; Thu, 12 Jun 2025 07:33:12 +0200 (CEST) Received: from hub2.goneo.de (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by hub2.goneo.de (Postfix) with ESMTPS id 18AD4240266; Thu, 12 Jun 2025 07:33:11 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walstatt-de.de; s=DKIM001; t=1749706391; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wkUOh3x/GzbyfMvECp97T5PMRSJ0ZUT0EqirxZtpJSI=; b=G6qvu1crEe85lkOagQIT44STYYp37DrkXvB3iL87n30bW+2HOHzASQhQ26eBZoaCrN5cvb YBcn+uKxRxpDyUBWg3uIl/RLid/58XJyMNrVAWn4a92TE8ZbmILWI5pqEUpRkn2AZVN5kW XNRmYs9Jf5gpNBcAl6pyBtTKBOmFF8dfCbbcsK/13pzDDZoBB9h+Xpk6oSj2GolflrdlrT WT5M21Soyzm50wlj8kopS/weZddrqz6gf69ZpcJR/a+JbwzSu4ywBmRKxpZB1GScmfLicg etxK+mwsmrpZaeYvFpW5nI940ztSbMl/6PFD6tNkS8i2nQQrhVONvOeuQKDSjw== Received: from freyja (p5de89b8f.dip0.t-ipconnect.de [93.232.155.143]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by hub2.goneo.de (Postfix) with ESMTPSA id 8B4F02402EB; Thu, 12 Jun 2025 07:33:10 +0200 (CEST) Date: Thu, 12 Jun 2025 07:33:01 +0200 From: FreeBSD User To: Lexi Winter Cc: FreeBSD CURRENT Subject: Re: if_bridge(): IPv6 EUI-64 seemingly not working Message-ID: <20250612073301.60bfc7ce@freyja> In-Reply-To: References: <20250611072836.2a0b026a@thor.sb211.local> Organization: Heimstatt X-Mailer: Claws Mail 4.3.0 (GTK 3.24.49; 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-Rspamd-UID: 86e5d5 X-Rspamd-UID: 600080 X-Rspamd-Queue-Id: 4bHrm05lFRz3pwh X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:25394, ipnet:2001:1640::/32, country:DE] On Thu, 12 Jun 2025 04:58:30 +0100 Lexi Winter wrote: > A FreeBSD User: > > When it comes to obtain an IPv6, CURRENT, in contrast to 14-STABLE, > > fails to set the host part according EUI-64. The resulting 64 host > > bit, which are considered to contain the 48 bit of the MAC, do > > contain anything but not anything similar to ANY of the attached > > NIC/NICs. > > please show the output of 'ifconfig' for the bridge interface and all > interfaces which are members of the bridge. > > > A bug or a "feature (due to simple dumb misconfiguration)? > > this is not intentional, it should still work as it did before. Seems, linklocal address is the benfeactor ... > [... sysctl net.link.bridge for the record if appropriate ...] net.link.bridge.ipfw: 0 net.link.bridge.member_ifaddrs: 0 net.link.bridge.log_mac_flap: 1 net.link.bridge.allow_llz_overlap: 0 net.link.bridge.inherit_mac: 1 net.link.bridge.log_stp: 1 net.link.bridge.pfil_local_phys: 0 net.link.bridge.pfil_member: 0 net.link.bridge.ipfw_arp: 0 net.link.bridge.pfil_bridge: 0 net.link.bridge.pfil_onlyip: 0 [...] $ ifconfig bridge0 bridge0: flags=1008843 metric 0 mtu 1500 description: vlan101-uplink options=0 ether 4c:52:62:2b:05:eb inet 192.168.201.10 netmask 0xffffff00 broadcast 192.168.101.255 inet6 fe80::5a9c:fcff:fe00:393a%bridge0 prefixlen 64 scopeid 0x6 inet6 fd60:b403:201::10 prefixlen 64 inet6 fd60:b403:201:0:5a9c:fcff:fe00:393a prefixlen 64 autoconf pltime 14400 vltime 86400 inet6 fd60:b403:101:0:1cef:d312:32c5:fdae prefixlen 64 autoconf temporary pltime 14400 vltime 86400 id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15 maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200 root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0 member: igb0 flags=143 ifmaxaddr 0 port 1 priority 128 path cost 20000 groups: bridge maclabel mls/low(low-low) nd6 options=23 $ ifconfig igb0 igb0: \ flags=1008943 \ metric 0 mtu 1500 options=4e503bb ether 4c:52:62:2b:05:eb media: Ethernet autoselect (1000baseT ) status: active maclabel mls/low(low-low) nd6 options=29 Also, some netgraph modules are compiled statically into the kernel - for the record, if that matters, but disabled so far. ############################################################################### security.mac.mls.enabled=0 security.mac.portacl.enabled=0 security.mac.bsdextended.enabled=0 security.mac.ipacl.ipv6=0 security.mac.ipacl.ipv4=0 security.mac.do.enabled=0 ###############################################################################