Check your switch.<br><br>Make sure the ports are trunked. Make sure they have access to the vlans desired. All ports.<br><br><br><div class="gmail_quote">On Wed, Dec 12, 2012 at 10:33 AM, Andrew Holway <span dir="ltr"><<a href="mailto:a.holway@syseleven.de" target="_blank">a.holway@syseleven.de</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
I have two hosts in my openstack setup: blade03 and blade04. I have set up my openstack with vlanned networking. The instances are being created on the specifed vlans correctly.<br>
<br>
The problem is that I cannot ping instances on blade03 from blade04. I can ping blade04 instances from blade04. I do not expect to be able to ping blade03 instances because the nova network service is not running there.<br>
<br>
I have experimented to make sure vlans are working on the switch. I created a new vlan interface on blade03 and blade04 and pinged between them quite happily.<br>
<br>
What am I missing?<br>
<br>
Thanks,<br>
<br>
Andrew<br>
<br>
<br>
[root@blade02 ~]# nova-manage network list<br>
id IPv4 IPv6 start address DNS1 DNS2 VlanID project uuid<br>
1 <a href="http://10.142.10.0/26" target="_blank">10.142.10.0/26</a> None 10.142.10.3 None None 142 88fe447d408d418baad31f681330a648 8ed0508f-d8bb-4845-8eea-ed7b12f61adc<br>
<br>
<br>
Switch Config:<br>
<br>
Current VLAN 142:<br>
name "VLAN 142", ports INT11-INT14, enabled,<br>
Protocol- empty,<br>
spanning tree 1<br>
Current VLAN 143:<br>
name "VLAN 143", ports INT11-INT14, enabled,<br>
Protocol- empty,<br>
spanning tree 1<br>
<br>
<br>
[root@blade03 instance-00000011]# ifconfig eth0.143<br>
eth0.143 Link encap:Ethernet HWaddr 00:1A:64:5D:10:98<br>
inet addr:10.145.0.1 Bcast:10.145.255.255 Mask:255.255.0.0<br>
inet6 addr: fe80::21a:64ff:fe5d:1098/64 Scope:Link<br>
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1<br>
RX packets:9 errors:0 dropped:0 overruns:0 frame:0<br>
TX packets:101 errors:0 dropped:0 overruns:0 carrier:0<br>
collisions:0 txqueuelen:0<br>
RX bytes:672 (672.0 b) TX bytes:8241 (8.0 KiB)<br>
<br>
[root@blade03 instance-00000011]# ping 10.145.0.1<br>
PING 10.145.0.1 (10.145.0.1) 56(84) bytes of data.<br>
64 bytes from <a href="http://10.145.0.1" target="_blank">10.145.0.1</a>: icmp_seq=1 ttl=64 time=0.031 ms<br>
<br>
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</blockquote></div><br>