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Thu, 09 Oct 2025 23:17:17 -0700 (PDT) List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 References: In-Reply-To: From: Paul Procacci Date: Fri, 10 Oct 2025 02:17:08 -0400 X-Gm-Features: AS18NWDrOskEWBjqaPTpM442KEFjoDLur4t-z08kpl-3Yad0OZNvTRYkUxZYuuI Message-ID: Subject: Re: FBSD 15 :: if_bridge help needed To: Paul Procacci , "freebsd-net@freebsd.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.99 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.99)[-0.989]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_TO(0.00)[gmail.com,freebsd.org]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; FREEMAIL_FROM(0.00)[gmail.com]; FROM_HAS_DN(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; MISSING_XM_UA(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; RCVD_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::62c:from] X-Rspamd-Queue-Id: 4cjc3S4JxTz3Q9N On Wed, Oct 8, 2025 at 4:18=E2=80=AFAM Lexi Winter wrote: > > Paul Procacci wrote in : > > Problem fixed. I feel so ashamed. > > While epair0b.60 was up ... epair0b wasn't. > > A stupid stupid oversight. > > > > Thanks again for all the help and attention. And sorry for the noise. > > I owe ya'll a beer if we ever cross paths. > > no worries, i'm glad you fixed it and i appreciate someone actually > testing the new bridge code in a real environment :-) So after being up till 4am last night and making a stupid mistake like forgetting to bring up an interface, I still feel there's something amiss but w/ something entirely different. Without getting into the gory details... just a simple question. Say I have lagg0. Say I have bridge0 w/ vlanfilter enabled. .. and say I place the lagg into that bridge via `ifconfig bridge0 addm lagg0 tagged 1843'. The above by itself doesn't provide access to the host because well, there's no ip or anything assigned anywhere. It should however provide a trunk carrying vlan 1843 to the bridge0 interfa= ce. Alright, so what's the correct method here for getting the host assigned an ip within that 1843 vlan. Is it: a) create a lagg0.1843 interface and assign an ip b) create a bridge0.1843 interface and assign an ip I'm presuming `b' as I've seen a few example here and there suggesting that= . As for testing: 192.168.35.1 -- Remote host 192.168.35.154 - Machine in question >From remote host: tcpdump -n -e -ttt -i igc1 host 192.168.35.154 00:00:01.063499 58:9c:fc:10:6f:fa > 60:be:b4:01:bf:0d, ethertype IPv4 (0x0800), length 98: 192.168.35.154 > 192.168.35.1: ICMP echo request, id 5948, seq 8, length 64 So I'm seeing untagged packets arriving when they should be tagged. Machine in question: ---------------------------------- root@xxx:~ # ifconfig bridge0; ifconfig bridge0.1843 bridge0: flags=3D1008843 metric 0 mtu 1500 options=3D10 ether 58:9c:fc:10:6f:fa 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 bridge flags=3D1 member: lagg0 flags=3D143 port 6 priority 128 path cost 2000000 vlan protocol 802.1q tagged 1843 groups: bridge nd6 options=3D9 bridge0.1843: flags=3D8843 metric 0 mtu 1496 options=3D0 ether 58:9c:fc:10:6f:fa inet 192.168.35.154 netmask 0xffffff00 broadcast 192.168.35.255 groups: vlan vlan: 1843 vlanproto: 802.1q vlanpcp: 0 parent interface: bridge0 nd6 options=3D29 Any thoughts on this? ~Paul __________ :(){ :|:& };: