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Recent questions tagged router

0 votes
8 responses 8 views

Hi networking-sfc, At the latest IRC meeting [1] it was agreed to split TAP from the possible insertion modes (initial spec version [2]). I took the ARs to propose coexistence of insertion modes, correlation and (now) a new tap-enabled ...

asked Mar 21, 2017 in openstack-dev by Duarte_Cardoso,_Igor (2,080 points)   1 3
0 votes
15 responses 8 views

A question of curiosity - why do we even need flavors? I do realise that we need a way to provide instance configuration, but why use such a rigid construction? Wouldn't it be more flexible to provide instance configuration as a set of ...

asked Mar 21, 2017 in openstack-operators by Vladimir_Prokofev (360 points)   1 1
0 votes
5 responses 93 views

Hi, all Currently, LBaaS v2 doesn't support migration. Just like router instances, we can remove a router instance from one L3 agent and add it to another L3 agent. So, there is a single point failure in LBaaS agent. As far as I know, LBaaS ...

asked Mar 21, 2017 in openstack-dev by =?UTF-8?B?6IuM5pm6?= (1,680 points)   3 6 12
0 votes
2 responses 2 views

Hi All, We are using Openstack Kilo release 1:2015.1.4-0ubuntu2. We are trying to establish transport mode IPSec with one of the VM from outside. We have a floating IP from 172.17/16 network assigned to this VM that has private IP from ...

asked Mar 20, 2017 in openstack by Vikram_Chhibber (260 points)  
0 votes
0 responses 50 views

Hi All, I have deployed Openstack Newton release using Openstack-Ansible 14.0.8 with target hosts (Controller and Compute) having Ubuntu 16.04. I want to ping/access my external lab n/w through the VMs (instances in Openstack Compute node) ...

asked Mar 16, 2017 in openstack by Amit_Kumar (980 points)   2 5 8
3 x  
0 votes
1 response 23 views

Hi, all. I have some questions about l3 address scope in neutron.I hope that someone could give me some answers. I set up a devstack environment and it uses the feature of l3 address scope by following the document [1]. After doing those ...

asked Mar 2, 2017 in openstack-dev by =?UTF-8?B?6IuM5pm6?= (1,680 points)   3 6 12
0 votes
1 response 12 views

Hi All, I verified and found out that with my devstack setup ( on Master) , I could not see the br-tap ( as shown in the image attached) on my All-In-One deployment. Please let me know if this is an issue, or is this expected. If it is ...

asked Mar 1, 2017 in openstack-dev by Manik_Bindlish (180 points)  
0 votes
2 responses 6 views

Hi All, I am facing an issue in visualizing port-mirroring information. 1.) Created 2 VMs: VM1: ubuntu3(, floating IP: - Tap service created VM2: ubuntu2(, floating ip: - Tap flow created ...

asked Feb 28, 2017 in openstack-dev by Manik_Bindlish (180 points)  
0 votes
5 responses 10 views

Hi all, Issue : I tried to attach floating ip to a VM, it attached but its not accessible from from outside. For admin project its working fine, successfully attached and also available from outside via floating IP. But for other project ...

asked Feb 27, 2017 in openstack by Amit_Uniyal (860 points)   1 2
0 votes
1 response 14 views

Hello all, I try to integrate Ceilometer in Mitaka cloud, so far goes well, but as I investigate more I see that I miss some of metrics, for example, I miss "network", "subnet", "router" metrics, also from cinder service I miss "volume" ...

asked Feb 24, 2017 in openstack by martins-lists_at_hos (880 points)   1 2 4
0 votes
15 responses 43 views

Hello everyone! In Juno in Neutron was implemented L3 HA feature based on Keepalived (VRRP). During next cycles it was improved, we performed scale testing [1] to find weak places and tried to fix them. The only alternative for L3 HA with ...

asked Feb 24, 2017 in openstack-dev by Anna_Kamyshnikova (3,220 points)   1 4
0 votes
1 response 9 views

Hi, I am trying to integrate ODL as external OVS manager and network controller but I could not mange to connect br-ex as ODL_BRIDGE_MAPPING with public interface eth2, ovs vsctl show:- Manager "tcp:" is_connected: true ...

asked Feb 23, 2017 in openstack-operators by Y.Rahulan (140 points)  
0 votes
4 responses 38 views

Hi All Currently arp_resonder can enabled only if l2pop is enabled. Can we have arp_responder feature enabled without l2pop(i.e Remove the dependency between arp_responder and l2_pop)? Also setup arp_responder on OVS integration bridge(and ...

asked Feb 22, 2017 in openstack-dev by anilvenkata_at_redha (380 points)  
0 votes
0 responses 22 views

I need to establish an IPSec VPN connection between an openstack cloud router (hosted by Catalyst) and a site with a Cisco 7200 series router. I have established VPN site-to-site connections using IPSec protected GRE tunnels - but the ...

asked Feb 20, 2017 in openstack by Adam_Tauno_Williams (120 points)  
0 votes
1 response 42 views

hello All, I just installed Mitaka release with DVR and ml2+OVS,everything looks fine . vms are getting ip address,floating IP address is working,vms can talk to lbaas namespace How ever: Communication from qrouter-namespace to lbass and ...

asked Feb 14, 2017 in openstack by kevin_parrikar (600 points)   4 8
0 votes
0 responses 120 views

Hello guys, i’m trying to reconfigure our network infrastructure to able to create multiple external network private to single tenant. We run Openstack Kilo actually. Now we have a simple configuration for public network that use VXLAN as ...

asked Jan 31, 2017 in openstack by Davide_Panarese (500 points)   2 3
0 votes
1 response 6 views

Hey everyone, If we want to implement multiple dedicated neutron routers in multiple racks (same cloud), is there a means of which I'm unaware that forces instances to route cross-tenant and public traffic to a neutron node within the local ...

asked Jan 26, 2017 in openstack-operators by Adam_Lawson (7,540 points)   4 6 12
0 votes
3 responses 49 views

Hi! How can I troubleshoot issues related to security groups? It is probably getting implemented via iptables but where? In the host iptables, or inside network namespace, or inside instance itself? I am running a single-node Newton. I am ...

asked Jan 21, 2017 in openstack by Vimal_Kumar (340 points)   1
0 votes
1 response 27 views

Greetings, I've been attempting to get a working devstack configuration for a few days no, and have been running into issues with networking. Specifically, after creating a local server, I've been unable to connect to it using a public ...

asked Jan 20, 2017 in openstack by Adam_Kimball (120 points)  
0 votes
0 responses 20 views

Hi ,all I deploy OpenStack mitaka with networking-sfc (-b stable/mitaka) and modify neutron.conf with service_plugins=router,metering, and new section [sfc] drivers=ovs ,and then next mitigrate ...

asked Jan 17, 2017 in openstack-dev by zheng_jie (200 points)