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From "Sanjeev N (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-6430) [SDN] CS asks for vlan range even we create physical network with GRE isolation and uses those ranges as GRE keys in creating tunnels
Date Wed, 16 Apr 2014 18:28:14 GMT
Sanjeev N created CLOUDSTACK-6430:
-------------------------------------

             Summary: [SDN] CS asks for vlan range even we create physical network with GRE
isolation and uses those ranges as GRE keys in creating tunnels
                 Key: CLOUDSTACK-6430
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6430
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Network Controller
    Affects Versions: 4.4.0
         Environment: Latest build from 4.4 with commit 80d82106dcc701e9569dde16161b24ff3abfa67f

            Reporter: Sanjeev N
            Priority: Critical
             Fix For: 4.4.0


[SDN] CS asks for vlan range even-though  we create physical network with GRE isolation and
uses those ranges as GRE keys in creating tunnels

Steps to reproduce:
================
1.Install CS with latest build from 4.4
2.During zone creation choose GRE as the isolation method and proceed further
3.Zone creation wizard asks to specify vlan range so give some range there
4.Proceed to complete zone creation
5.Create an isolated network with stretched-l2 service.
6.Deploy guest vms in the network and make sure that vms in that network are spanned across
the hosts in the cluster

Observations:
===========
When the vms are created on more than one host in the cluster CS programs GRE ports on the
ovsswitch on all the hypervisors on which the vms are running and it uses the one of the vlan
from the vlan range given during zone creation.

Expected Result:
==============
1.When physical network is created based on GRE isolation CS should not ask for the vlan range
2.GRE key should be picked up randomly so that user does not have to provide any range even
for the GRE keys.

In my setup I had provided vlan range as 981-1000 and the following are the GRE tunnels info
from the hypervisor:

    Bridge "xapi3"
        fail_mode: standalone
        Port "t983-1-5"
            Interface "t983-1-5"
                type: gre
                options: {key="983", remote_ip="10.147.40.31"}
        Port "vif5.0"
            Interface "vif5.0"
        Port "t983-1-4"
            Interface "t983-1-4"
                type: gre
                options: {key="983", remote_ip="10.147.40.14"}
        Port "xapi3"
            Interface "xapi3"
                type: internal
    ovs_version: "1.4.6"





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