Re: [Openstack] DHCP + vlan

2016-03-22 Thread Qin, Xiaohong
The problem here is not VLAN but subnet. Normally you have one subnet associate with one interface (Ethernet interface), if you want multiple interfaces listen to the same DHCP server, you need to configure the multiple interfaces on the same subnet since one DHCP server can only broadcast to on

Re: [Openstack] Changing ML2 vlan range

2014-12-09 Thread Qin, Xiaohong
You can start to debug this issue with some neutron CLIs, neutron net-list | 60ae6206-172e-45b2-8a9b-52b7ad7d84f4 | private | 27fd9095-2492-4901-b06c-c59c58739078 10.0.0.0/24 | | 8b59d35f-1c7d-4378-a0b9-618a51a083eb | public | 122427d1-d1f2-4fdc-b98b-120b676df0f8 10.10.166.232/29 | neutr

Re: [Openstack] Open vSwitch not working as expected...?

2014-04-29 Thread Qin, Xiaohong
Yes. You should see the similar flow table entries like this one, sudo ovs-ofctl dump-flows br-int NXST_FLOW reply (xid=0x4): cookie=0x0, duration=82162.227s, table=0, n_packets=219, n_bytes=23483, idle_age=11936, hard_age=65534, priority=3,in_port=1,dl_vlan=120 actions=mod_vlan_vid:1,NORMAL

Re: [Openstack] Neutron dnsmasq question

2014-04-28 Thread Qin, Xiaohong
ce. It was started when the first VM got booted up. Dennis Qin From: Muralidhar Balcha [mailto:muralidh...@gmail.com] Sent: Monday, April 28, 2014 3:00 PM To: Qin, Xiaohong Cc: openstack@lists.openstack.org Subject: Re: [Openstack] Neutron dnsmasq question Dennis, That does not work. Next time w

Re: [Openstack] Neutron dnsmasq question

2014-04-28 Thread Qin, Xiaohong
Hi Murali, The dnsmasq process is been invoked as the following in the controller, dnsmasq --no-hosts --no-resolv --strict-order --bind-interfaces --interface=tap7e1faebd-1c --except-interface=lo --pid-file=/opt/stack/data/neutron/dhcp/90a8a84a-d4dd-4c98-bf87-492342c55b94/pid --dhcp-hostsfile

Re: [Openstack] How to enable Modular L2 Multi-Segemnt Network

2014-04-17 Thread Qin, Xiaohong
Hi Kyle, Did you get a chance to write some documents on how to deploy Neutron multi segment networks? I'm interested in these areas, 1. use devstack to deploy multi segment networks 2. "The typical use case here would be something like a VXLAN to VLAN GW, which could be done in a ToR which sup

Re: [Openstack] Error in ml2 with cisco_nexus driver

2014-04-03 Thread Qin, Xiaohong
Nexus configurations are tied to neutron port CLIs, not network or subnet CLIs? Thanks. Dennis Qin -Original Message- From: Henry Gessau [mailto:ges...@cisco.com] Sent: Thursday, April 03, 2014 5:32 AM To: Qin, Xiaohong; openstack@lists.openstack.org Subject: Re: [Openstack] Error in ml2

Re: [Openstack] Error in ml2 with cisco_nexus driver

2014-04-02 Thread Qin, Xiaohong
il 02, 2014 2:13 PM To: Qin, Xiaohong; openstack@lists.openstack.org Subject: Re: [Openstack] Error in ml2 with cisco_nexus driver It's on the list of things to do but I can't make any promises. On Wed, Apr 02, at 4:21 pm, Qin, Xiaohong wrote: > Hi Henry, > > Thanks for the in

Re: [Openstack] Error in ml2 with cisco_nexus driver

2014-04-02 Thread Qin, Xiaohong
] Error in ml2 with cisco_nexus driver Hi Dennis, On Wed, Apr 02, at 1:28 pm Qin, Xiaohong (xiaohong@emc.com) wrote: > Hi Kyle, > > I was also trying to use this Nexus driver with Ml2/VXLAN deployment > in devstack. But for some reason, it didn't invoke the nexus driver >

Re: [Openstack] Error in ml2 with cisco_nexus driver

2014-04-02 Thread Qin, Xiaohong
Hi Kyle, I was also trying to use this Nexus driver with Ml2/VXLAN deployment in devstack. But for some reason, it didn't invoke the nexus driver code and didn't do anything on my Nexus switch. I have followed the instructions posted in this link, https://wiki.openstack.org/wiki/Neutron/ML2/Me