Ubuntu focuses on netplan with systemd-networkd or Network Manager, and
ifupdown isn't really supported any more except for edge cases not
supported by netplan. Since vlan is supported by netplan, I'm therefore
marking this Won't Fix for the Ubuntu development release.
Note that ifupdown in Ubuntu barely differs from Debian now, so it seems
likely to me that there would be no difference in behaviour from Debian
here.
** Changed in: ifupdown (Ubuntu)
Status: Confirmed => Won't Fix
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https://bugs.launchpad.net/bugs/1628591
Title:
ifup & ifdown don't work for vlan devices when raw device name is the
new "enp" convention
Status in ifupdown package in Ubuntu:
Won't Fix
Bug description:
The regular expressions used in /etc/network/if-post-down.d/vlan and
/etc/network/if-pre-up.d/vlan
do not match the name of my network card enp4s0f0.
This can be fixed by broadening the regular expression.
This is only a problem when the device is a vlan device!
See below for the fix that worked on my system.
if-pre-up:
#!/bin/sh
# Most of this stuff is to enable vlans
case "$IFACE" in
# Ignore any alias (#272891) which uses <interface>:<alabel>
*:*)
exit 0
;;
vlan0*)
vconfig set_name_type VLAN_PLUS_VID
VLANID=`echo $IFACE|sed "s/vlan0*//"`
;;
vlan*)
vconfig set_name_type VLAN_PLUS_VID_NO_PAD
VLANID=`echo $IFACE|sed "s/vlan0*//"`
;;
eth*.0*|bond*.0*|wlan*.0*|em*.0*|p[0-9]*.0*|enp[0-9]*.0*)
vconfig set_name_type DEV_PLUS_VID
VLANID=`echo $IFACE|sed
"s/eth[0-9][0-9]*\.0*//g;s/bond[0-9][0-9]*\.0*//g;s/wlan[0-9][0-9]*\.0*//g;s/em[0-9][0-9]*\.0*//g;s/p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\.0*//g;s/enp[0-9]s[0-9]f[0-9]\.0*//g"`
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed
"s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/;s/\(em[0-9][0-9]*\)\..*/\1/;s/\(p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\)\..*/\1/;s/\(enp[0-9]s[0-9]f[0-9]\)\..*/\1/"`
;;
eth*.*|bond*.*|wlan*.*|em*.*|p[0-9]*.*|enp[0-9]*.*)
vconfig set_name_type DEV_PLUS_VID_NO_PAD
VLANID=`echo $IFACE|sed
"s/eth[0-9][0-9]*\.0*//g;s/bond[0-9][0-9]*\.0*//g;s/wlan[0-9][0-9]*\.0*//g;s/em[0-9][0-9]*\.0*//g;s/p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\.0*//g;s/enp[0-9]s[0-9]f[0-9]\.//g"`
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed
"s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/;s/\(em[0-9][0-9]*\)\..*/\1/;s/\(p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\)\..*/\1/;s/\(enp[0-9]s[0-9]f[0-9]\)\..*/\1/"`
;;
*.0*)
# Silently ignore interfaces which we do not (know how to) support
[ -z "$IF_VLAN_RAW_DEVICE" ] && exit 0
vconfig set_name_type DEV_PLUS_VID
VLANID=`echo $IFACE|sed "s/[^.]*\.0*//g"`
;;
*.*)
# Silently ignore interfaces which we do not (know how to) support
[ -z "$IF_VLAN_RAW_DEVICE" ] && exit 0
vconfig set_name_type DEV_PLUS_VID_NO_PAD
VLANID=`echo $IFACE|sed "s/[^.]*\.0*//g"`
;;
*)
exit 0
;;
esac
if [ -n "$IF_VLAN_RAW_DEVICE" ] && [ ! -d /sys/class/net/$IFACE ]; then
if [ ! -x /sbin/vconfig ]; then
exit 0
fi
if ! ip link show dev "$IF_VLAN_RAW_DEVICE" > /dev/null; then
echo "$IF_VLAN_RAW_DEVICE does not exist, unable to create $IFACE"
exit 1
fi
if [ ! -e "/sys/class/net/$IFACE" ]; then
ip link set up dev $IF_VLAN_RAW_DEVICE
vconfig add $IF_VLAN_RAW_DEVICE $VLANID
fi
fi
# This is not vlan specific, and should actually go somewhere else.
if [ -n "$IF_HW_MAC_ADDRESS" ]; then
ip link set $IFACE address $IF_HW_MAC_ADDRESS
fi
if-post-down:
#!/bin/sh
# If IFACE is an automagic vlan interface (without the vlan-raw-device
# parameter) then let's try to discover the magic here.. Another way would be
# to just probe for the right device name in /proc/net/vlan
case "$IFACE" in
# Ignore any alias (#272891)
*:*)
exit 0
;;
eth*.0*|bond*.0*|wlan*.0*|em*.0*|p[0-9]*.0*|enp[0-9]*\.0*)
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed
"s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/;s/\(em[0-9][0-9]*\)\..*/\1/;s/\(p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\)\..*/\1/"`
;;
eth*.*|bond*.*|wlan*.*|em*.*|p[0-9]*.*|enp[0-9]*\.*)
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed
"s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/;s/\(em[0-9][0-9]*\)\..*/\1/;s/\(p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\)\..*/\1/"`
;;
# Test for vlan raw device (#196890, #292648)
*)
[ -z "$IF_VLAN_RAW_DEVICE" ] && exit 0
;;
esac
if [ ! -x /sbin/vconfig ]; then
exit 0
fi
vconfig rem $IFACE
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