[openstack-dev] Facing issues with Openstack subnet static routes

Akshay Kapoor akapoor87 at gmail.com
Tue Jan 16 16:37:16 UTC 2018

Hello everyone,

I am working on a task, requirement for which is to share services/VMs
provisioned inside tenant X (say: network X-n subnet X-s) with another
tenant Y(say: network Y-n and subnet Y-s).

Did the following steps:

1) Shared the network X-n using 'openstack network rbac...' with tenant Y

2) Created a port X-p on Subnet X-s and added the port as an interface to
the default router in tenant Y

3) Created a static route in subnet X-s to forward all traffic intended for
CIDR range of tenant Y (Y-s) subnet to port X-p.

VMs provisioned in X-s are not reachable from within tenant Y VMs. However,
if I remove the static route from the subnet X-s static route settings and
add the route to default router in tenant X instead, it works.

Can someone please help with why this could happen ?


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