[Openstack] [Tripleo][Ironic] How does overcloud get route

Gangur, Hrushikesh (R & D HP Cloud) hrushikesh.gangur at hp.com
Fri Oct 24 16:53:05 UTC 2014

An os-refresh-config on the controller node should bring it back. The reboot, sometimes, does not bring up all the services in the right order.

From: 严超 [mailto:yanchao727 at gmail.com]
Sent: Thursday, October 23, 2014 4:35 PM
To: Clint Byrum
Cc: openstack
Subject: Re: [Openstack] [Tripleo][Ironic] How does overcloud get route

Thank you !
Another question: Last time I rebooted the Overcloud, and the route was gone, is this normal ? It is supposed that for every reboot route exists, right ? Maybe its OS image issue or something else ?

Best Regards!
Chao Yan
My twitter:Andy Yan @yanchao727<https://twitter.com/yanchao727>
My Weibo:http://weibo.com/herewearenow

2014-10-24 0:36 GMT+08:00 Clint Byrum <clint at fewbar.com<mailto:clint at fewbar.com>>:
Excerpts from 严超's message of 2014-10-23 01:08:09 -0700:
> Hi, All:
>         I recently deployed an Overcloud machine using Undercloud. And when
> login to the overcloud . It has the following route:
> stack at undercloud002-undercloud-xjjnlfe5guan:~$ route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
>         UG    0      0        0 eth5
> * UGH   0      0        0
> eth5*
>   U     0      0        0 eth5
>        I wonder who wrote the * *route and when did it
> happened ? It is build in the image or otherwise ?

DHCP allows pushing static routes via option 21. So we push said route
via DHCP. This is a built-in feature of Neutron.

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