Date: Sun, 26 Jan 2025 10:42:04 +0800 From: Zhenlei Huang <zlei@FreeBSD.org> To: Kurt Jaeger <pi@freebsd.org> Cc: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: which rc.conf syntax for vlans ? if.N or vlanN ? Message-ID: <56597C14-A910-4E14-B9CA-A2F9D3548277@FreeBSD.org> In-Reply-To: <Z5U5SgIE1E-pXFGZ@fc.opsec.eu> References: <Z5UXe2gmwuZcWfX7@fc.opsec.eu> <61620090-8A64-4CBF-9775-AC09E2A495E6@FreeBSD.org> <Z5U5SgIE1E-pXFGZ@fc.opsec.eu>
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> On Jan 26, 2025, at 3:19 AM, Kurt Jaeger <pi@freebsd.org> wrote: > > Hi! > >>> Until around FreeBSD 13.2, one could create vlans with this: >>> >>> cloned_interfaces="vlan200" >>> ifconfig_vlan200="vlandev ix0 vlan 200 inet 192.168.10.1/24" >> >> This is the general approach to clone create interfaces, applicable >> to vlan(4) but also for other driver such as gif(4) and wg(4) etc. > > It worked even for dual stack: > > cloned_interfaces="vlan2000" > ifconfig_vlan2000="vlandev mce0 vlan 2000 192.168.10.12/24" > ifconfig_vlan2000_ipv6="inet6 2001:db8:0001:0010:0000:0000:0000:eeee/64" > > and running: > > ifconfig vlan2000 create > > produced: > > vlan2000: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=1c680703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6,MEXTPG,TXTLS4,TXTLS6> > ether 10:70:fd:53:ed:ae > inet 192.168.10.12 netmask 0xffffff00 broadcast 192.168.10.255 > inet6 fe80::1270:fdff:fe53:edae%vlan2000 prefixlen 64 scopeid 0x4b > inet6 2001:db8:1:10::eeee prefixlen 64 > groups: vlan > vlan: 2000 vlanproto: 802.1q vlanpcp: 0 parent interface: mce0 > > But this no longer works with 14.2. > If I do the same steps, the ipv6 address is not configured: > > vlan2000: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=1c680703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6,MEXTPG,TXTLS4,TXTLS6> > ether 10:70:fd:53:ed:ae > inet 192.168.10.12 netmask 0xffffff00 broadcast 192.168.10.255 > inet6 fe80::1270:fdff:fe53:edae%vlan2000 prefixlen 64 scopeid 0x4b > inet6 2001:db8:1:10::eeee prefixlen 64 > groups: vlan > vlan: 2000 vlanproto: 802.1q vlanpcp: 0 parent interface: mce0 > > What's wrong here ? I tested on FreeBSD 14.2, `ifconfig_vlan2000_ipv6=...` also works as intended. IPv6 address is configured correctly. Am I missing something ? > >>> Will both variants be supported in the future (14, 15) or is one >>> of them on it's way out ? >> >> I believe both will be supported in future releases. > > Ok, then the vlanNNNN variant has some issues with ipv6 in 14.2. > > -- > pi@FreeBSD.org +49 171 3101372 Now what ? >
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