Network configuration

Pay attention to the 25-bit netmasks. Often, 24-bit netmasks, 255.255.255.0, are used.

The information given below can usally be inserted using a graphical tool, e.g., NetworkManager, Yast, System settings. See also below for examples where in the filesystem this information might be stored.

Location Getreidemarkt

Vlan number: 169, vlan name: e322
Ip numbers can be in the range 128.130.169.2 to 128.130.169.119.

Location Arsenal

Vlan number: 469, vlan name: e322-o
Ip numbers can be in the range 128.130.169.130 to 128.130.169.247.

# Information from Johann Kainrath <hostmaster@noc.tuwien.ac.at> # by e-mail from 2017-01-24.

Configuration file examples

With systemd

/etc/systemd/network/wombat.network 

#man systemd.network, networkctl, systemd-networkd.service
[Match]
#Name=eth0
MACAddress=14:da:e9:4c:4f:ab

[Network]
Address=128.130.169.119/25
Gateway=128.130.169.1
DNS=128.130.4.3
DNS=128.131.4.3
NTP=tutimeb.tuwien.ac.at tutimea.tuwien.ac.at tutimec.tuwien.ac.at

/etc/systemd/resolved.conf 

[Resolve]
Domains=fluid.tuwien.ac.at tuwien.ac.at

ifupdown

/etc/network/interfaces: 

auto lo
iface lo inet loopback
# The primary network interface
iface eth0 inet static
   address 128.130.169.??      # Ask Iris Fula for an ip-number
   netmask 255.255.255.128     # 128 at the end, an /25 mask.
   network 128.130.169.0
   broadcast 128.130.169.127
   gateway 128.130.169.1
   # dns-* options are implemented by the resolvconf package, if installed
   # siehe /etc/resolv.conf
   # dns-nameservers 128.130.4.3 128.131.4.3
   # dns-search fluid.tuwien.ac.at tuwien.ac.at
auto eth0

/etc/resolv.conf 

nameserver 128.130.4.3
nameserver 128.131.4.3
search fluid.tuwien.ac.at tuwien.ac.at
options ndots:2
#search and domain are mutually exclusive
#by default, domain is everything after the first '.'.
# domain fluid.tuwien.ac.at