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[Magesh GV <mageshgv@xxxxxxxxx>]

Public bug reported:

Create a VM with two interfaces on different networks, lets say net1 and
net2.

Lets assume that the VM gets default gateway set on net1 by default.

Add the Subnet of net2 to a router.

Now, traffic to any IP that has to go through the router will not work,
because the default gateway is not updated to net2 from net1.

Since the DHCP lease time has been increased to 86400 seconds in Havana
from the earlier value of 120 seconds, the default gateway will not be
updated for a very long time.

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: l3-ipam-dhcp

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https://bugs.launchpad.net/bugs/1343214

Title:
  Routed traffic may not work with VMs having multiple network
  interfaces

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  Create a VM with two interfaces on different networks, lets say net1
  and net2.

  Lets assume that the VM gets default gateway set on net1 by default.

  Add the Subnet of net2 to a router.

  Now, traffic to any IP that has to go through the router will not
  work, because the default gateway is not updated to net2 from net1.

  Since the DHCP lease time has been increased to 86400 seconds in
  Havana from the earlier value of 120 seconds, the default gateway will
  not be updated for a very long time.

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