Good afternoon,
My network configuration
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet manual
pre-up ip link set $IFACE up
post-down ip link set $IFACE down
auto wan
iface wan inet static
hwaddress ether 02:19:04:c5:a7:2c
address 192.168.101.95
netmask 255.255.255.0
gateway 192.168.101.254
pre-up ip link set $IFACE up
post-down ip link set $IFACE down
#Lan
auto lan0
iface lan0 inet static
hwaddress ether 02:19:04:d6:b8:3d
address 192.168.102.95
netmask 255.255.255.0
gateway 192.168.102.254
pre-up ip link set $IFACE up
post-down ip link set $IFACE down
#Wifi
auto lan1
iface lan1 inet static
hwaddress ether 02:19:04:e7:c9:4e
address 192.168.103.95
netmask 255.255.255.0
gateway 192.168.103.254
pre-up ip link set $IFACE up
post-down ip link set $IFACE down
#DMZ
auto lan2
iface lan2 inet static
hwaddress ether 02:19:04:f8:d0:5f
address 192.168.104.95
netmask 255.255.255.0
gateway 192.168.104.254
pre-up ip link set $IFACE up
post-down ip link set $IFACE down
auto lan3
iface lan3 inet static
hwaddress ether 02:19:04:09:e1:60
address 192.168.105.95
netmask 255.255.255.0
gateway 192.168.105.254
pre-up ip link set $IFACE up
post-down ip link set $IFACE down
Result for ip a
lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 7a:5a:25:7d:d0:a0 brd ff:ff:ff:ff:ff:ff
3: wan@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state LOWERLAYERDOWN group default qlen 1000
link/ether 02:19:04:c5:a7:2c brd ff:ff:ff:ff:ff:ff
inet 192.168.101.95/24 brd 192.168.101.255 scope global wan
valid_lft forever preferred_lft forever
4: lan0@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state LOWERLAYERDOWN group default qlen 1000
link/ether 02:19:04:d6:b8:3d brd ff:ff:ff:ff:ff:ff
inet 192.168.102.95/24 brd 192.168.102.255 scope global lan0
valid_lft forever preferred_lft forever
5: lan1@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state LOWERLAYERDOWN group default qlen 1000
link/ether 02:19:04:e7:c9:4e brd ff:ff:ff:ff:ff:ff
inet 192.168.103.95/24 brd 192.168.103.255 scope global lan1
valid_lft forever preferred_lft forever
6: lan2@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state LOWERLAYERDOWN group default qlen 1000
link/ether 02:19:04:f8:d0:5f brd ff:ff:ff:ff:ff:ff
inet 192.168.104.95/24 brd 192.168.104.255 scope global lan2
valid_lft forever preferred_lft forever
7: lan3@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state LOWERLAYERDOWN group default qlen 1000
link/ether 02:19:04:09:e1:60 brd ff:ff:ff:ff:ff:ff
inet 192.168.105.95/24 brd 192.168.105.255 scope global lan3
valid_lft forever preferred_lft forever
All lan interfaces are ok, but wan not possible to be up.
Thank you for your help