[systemd-devel] systemd-networkd -- Unable to create VLAN device

[James Lott]

Holy smokes, that did it! Many thanks for taking time out of your day to help 
me find my silly mistake :)

On Friday 19 September 2014 22:51:41 Tom Gundersen wrote:
> On Fri, Sep 19, 2014 at 6:59 PM, James Lott <james at lottspot.com> wrote:
> > Hello again!
> > 
> > I've been eager to play with networking features, in case you couldn't
> > tell ;) This patricular issue seems separate from my first one though, so
> > I thought it would be best to discuss separately.
> > 
> > I am trying to use systemd-networkd to essentially replace vconfig. I am
> > using eth0 as a trunked link and am trying to setup a pair of VLAN
> > devices to receive the taged frames. It seems that the VLAN netdevs are
> > silently failing to be created.
> > 
> > Sep 19 09:47:34 utility01 systemd[1]: Starting Network Service...
> > Sep 19 09:47:34 utility01 systemd-networkd[776]:
> > [/etc/systemd/network/vlan1.network:6] VLAN could not be found, ignoring
> > assignment: 1
> > Sep 19 09:47:34 utility01 systemd-networkd[776]:
> > [/etc/systemd/network/vlan0.network:6] VLAN could not be found, ignoring
> > assignment: 0
> > Sep 19 09:47:34 utility01 systemd-networkd[776]:
> > [/etc/systemd/network/eth0.network:6] VLAN could not be found, ignoring
> > assignment: 1
> > Sep 19 09:47:34 utility01 systemd-networkd[776]:
> > [/etc/systemd/network/eth0.network:7] VLAN could not be found, ignoring
> > assignment: 0
> > Sep 19 09:47:34 utility01 systemd-networkd[776]: eth0.0          : gained
> > carrier
> > Sep 19 09:47:34 utility01 systemd-networkd[776]: eth0            : gained
> > carrier
> > Sep 19 09:47:34 utility01 systemd-networkd[776]: lo              : gained
> > carrier
> > Sep 19 09:47:34 utility01 systemd[1]: Started Network Service.
> > 
> > Although I strongly believe this to be an error I am making somewhere, I
> > have read and re-read all of the systemd-networkd man pages, and cannot
> > for the life of me figure out where I went wrong. Any help is much
> > appreciated! Additional environment information is included below.
> > 
> > [root at utility01 network]# uname -a
> > Linux utility01 3.12.26-2-ARCH #1 PREEMPT Sun Aug 31 22:36:40 MDT 2014
> > armv6l GNU/Linux
> > [root at utility01 network]# pacman -Q systemd
> > systemd 216-3
> > [root at utility01 network]# lsmod | grep 8021q
> > 8021q                  20658  0
> > garp                    6303  1 8021q
> > mrp                     8249  1 8021q
> > 
> > [root at utility01 network]# pwd
> > /etc/systemd/network
> > [root at utility01 network]# for f in *; do echo; echo "---------- $f"; echo;
> > cat $f; done
> > 
> > ---------- eth0.network
> > 
> > [Match]
> > Name=eth0
> > 
> > [Network]
> > DHCP=v4
> > VLAN=1
> > VLAN=0
> 
> This needs to be the names of your vlan interfaces, not their vlanid. I.e.,
> 
> VLAN=vlan0
> VLAN=vlan1
> 
> > ---------- vlan0.netdev
> > 
> > [NetDev]
> > Name=vlan0
> > Kind=vlan
> > 
> > [VLAN]
> > Id=0
> > 
> > ---------- vlan0.network
> > 
> > [Match]
> > Name=vlan0
> > 
> > [Network]
> > DHCP=v4
> > VLAN=0
> > 
> > ---------- vlan1.netdev
> > 
> > [NetDev]
> > Name=vlan1
> > Kind=vlan
> > 
> > [VLAN]
> > Id=1
> > 
> > ---------- vlan1.network
> > 
> > [Match]
> > Name=vlan1
> > 
> > [Network]
> > DHCP=v4
> > VLAN=1
> > [root at utility01 network]# ip link
> > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode
> > DEFAULT group default
> > 
> >     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> > 
> > 2: ifb0: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN mode DEFAULT
> > group default qlen 32
> > 
> >     link/ether 3e:ff:bc:28:42:cb brd ff:ff:ff:ff:ff:ff
> > 
> > 3: ifb1: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN mode DEFAULT
> > group default qlen 32
> > 
> >     link/ether 3a:65:88:fc:ab:27 brd ff:ff:ff:ff:ff:ff
> > 
> > 4: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state
> > UP mode DEFAULT group default qlen 1000
> > 
> >     link/ether b8:27:eb:9d:3a:06 brd ff:ff:ff:ff:ff:ff
> > 
> > 5: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode
> > DEFAULT
> > group default qlen 1000
> > 
> >     link/ether 64:66:b3:20:04:f5 brd ff:ff:ff:ff:ff:ff
> > 
> > 6: eth0.0 at eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
> > state UP mode DEFAULT group default
> > 
> >     link/ether b8:27:eb:9d:3a:06 brd ff:ff:ff:ff:ff:ff
> > 
> > NOTE: The existing eth0.0 was created using vconfig, which I created
> > simply to get this machine back on the network while I troubleshooted my
> > issue. _______________________________________________
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