The VLAN chapter of the handbook (https://docs.freebsd.org/en/books/handbook/advanced-networking/#network-vlan) lists several examples which do not work in FreeBSD 13. eg [test13 14:34] ~ >sudo ifconfig video.5 create vlan 5 vlandev video name cameras inet 192.168.20.20/24 ifconfig: ambiguous vlan specification [test13 14:34] ~ >sudo ifconfig em0.5 create vlan 5 vlandev em0 inet 192.168.20.20/24 ifconfig: ambiguous vlan specification I attempted to be clever with this: [test13 14:31] ~ >sudo ifconfig vlan create name em0.5 vlandev em0 vlan 5 192.168.200.0/24 em0.5 However ifconfig shows that it did not assign the vlandev or vlan: [test13 14:31] ~ >ifconfig em0: flags=8863<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=481009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,VLAN_HWFILTER,NOMAP> ether 00:0c:29:6c:45:cd inet6 fe80::20c:29ff:fe6c:45cd%em0 prefixlen 64 scopeid 0x1 inet6 2001:44b8:1d2:8900:20c:29ff:fe6c:45cd prefixlen 64 autoconf inet 203.31.81.137 netmask 0xffffff00 broadcast 203.31.81.255 media: Ethernet autoselect (1000baseT <full-duplex>) status: active nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL> em0.5: flags=8003<UP,BROADCAST,MULTICAST> metric 0 mtu 1500 ether 00:00:00:00:00:00 inet 192.168.200.0 netmask 0xffffff00 broadcast 192.168.200.255 inet6 fe80::20c:29ff:fe6c:45cd%em0.5 prefixlen 64 tentative scopeid 0x3 groups: vlan vlan: 0 vlanproto: 0x0000 vlanpcp: 0 parent interface: <none> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> The only working way I have found is as follows: ifconfig vlan0 create ifconfig vlan0 name em0.5 ifconfig em0.5 vlan 5 vlandev em0 Looks like this was broken by c7cffd65c5d858425e90b847d2e8e583e3b13bf7
Thank you for the report! The shorter way is just running "ifconfig em0.5 create inet 192.168.20.20/24", so ifconfig deduces parent interface and vlan tag from the interface name. However, the provided example should indeed just work. I'll take a look at it at the weekend.
A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=779fd05344662aeec79c29470258bf657318eab3 commit 779fd05344662aeec79c29470258bf657318eab3 Author: Alexander V. Chernikov <melifaro@FreeBSD.org> AuthorDate: 2022-01-17 09:30:26 +0000 Commit: Alexander V. Chernikov <melifaro@FreeBSD.org> CommitDate: 2022-01-17 09:35:15 +0000 ifconfig: improve vlan options parsing PR: 261136 Reported by: Daniel O'Connor MFC after: 2 weeks sbin/ifconfig/ifvlan.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-)
A commit in branch stable/13 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=157bf2c9964a54124e05bb7c354d8e5ad784802a commit 157bf2c9964a54124e05bb7c354d8e5ad784802a Author: Alexander V. Chernikov <melifaro@FreeBSD.org> AuthorDate: 2022-01-17 09:30:26 +0000 Commit: Alexander V. Chernikov <melifaro@FreeBSD.org> CommitDate: 2022-03-28 08:50:12 +0000 ifconfig: improve vlan options parsing PR: 261136 Reported by: Daniel O'Connor MFC after: 2 weeks (cherry picked from commit 779fd05344662aeec79c29470258bf657318eab3) sbin/ifconfig/ifvlan.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-)
A commit in branch releng/13.1 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=2eb4ac1e6fc946ca8d175863b16602885fae61b7 commit 2eb4ac1e6fc946ca8d175863b16602885fae61b7 Author: Alexander V. Chernikov <melifaro@FreeBSD.org> AuthorDate: 2022-01-17 09:30:26 +0000 Commit: Alexander V. Chernikov <melifaro@FreeBSD.org> CommitDate: 2022-03-28 15:25:23 +0000 ifconfig: improve vlan options parsing PR: 261136 Reported by: Daniel O'Connor Approved by: re(gjb) MFC after: 2 weeks (cherry picked from commit 779fd05344662aeec79c29470258bf657318eab3) (cherry picked from commit 157bf2c9964a54124e05bb7c354d8e5ad784802a) sbin/ifconfig/ifvlan.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-)
Should be fixed in 13.1 and 13-STABLE. I'm going to close it in a couple of days if there are no objections.
I'll close it - sorry, wasn't sure what the protocol was.