[Bug 369620] Re: gateway setting in /etc/network/interfaces not working

[Stéphane Graber]

ifupdown uses "ip route add" instead of route, "ip route add" checks
that you don't have more than one default gateway and gets you that
"File exists".

Marking the bug as Invalid for ifupdown.

** Changed in: ifupdown (Ubuntu)
       Status: New => Invalid

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Title:
  gateway setting in /etc/network/interfaces not working

Status in “ifupdown” package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: ifupdown

  Given the following config in /etc/network/interfaces:

  auto eth2
  iface eth2 inet static
  address 202.175.108.98
  netmask 255.255.255.248
  gateway 202.175.108.97

  Running "ifdown eth2" will give an error saying eth2 not configured.
  Running "ifup eth2" will give "SIOCADDRT: File exists". To fix the
  problem, I had to change it to:

  auto eth2
  iface eth2 inet static
  address 202.175.108.98
  netmask 255.255.255.248
  up route add default gw 202.175.108.97

  Then both errors will go away.

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