<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Paras,</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">And do you see GRE tunnels at all in your <b>ovs-vsctl show</b> output?</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Cheers,</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">NM</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div> <div id="bloop_sign_1384499014465948160"><span style="font-family:helvetica,arial;font-size:13px"></span>-- <br>Nick Maslov<br><span>Sent with <a href="http://airmailapp.com/tracking">Airmail</a></span></div> <br><p style="color:#A0A0A8;">On November 14, 2013 at 6:43:53 PM, Paras pradhan (<a href="mailto://pradhanparas@gmail.com">pradhanparas@gmail.com</a>) wrote:</p> <blockquote type="cite" class="clean_bq"><span><div><div>
<title></title>
<div dir="ltr">Nick,
<div><br></div>
<div>I don't see GRE(odd?) but with others (br-tun,patch-int) are
all '0'. It is a single node installation if that matters.</div>
<div><br></div>
<div>-Paras.</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Thu, Nov 14, 2013 at 10:36 AM, Nick
Maslov <span dir="ltr"><<a href="mailto:azpekt@gmail.com" target="_blank">azpekt@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
Hi Paras,</div>
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
<br></div>
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
I also have speed at 0Mbps on my br-tun for everything (GRE,
patch-int) in one environment, and 100Mbps on another.</div>
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
<br></div>
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
Can you pls provide me with some info about those speed marks?
Like, if it`s on 0 - that means that no tunnels are working
properly?</div>
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
<br></div>
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
Thanks</div>
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
<span class="HOEnZb"><font color="#888888">NM</font></span></div>
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
<span class="HOEnZb"><font color="#888888"><br></font></span></div>
<div><span class="HOEnZb"><font color="#888888">-- <br>
Nick Maslov<br>
<span>Sent with <a href="http://airmailapp.com/tracking" target="_blank">Airmail</a></span></font></span></div>
<div>
<div class="h5"><br>
<p style="color:#a0a0a8">On November 11, 2013 at 6:41:40 PM, Paras
pradhan (<a href="mailto://pradhanparas@gmail.com" target="_blank">pradhanparas@gmail.com</a>) wrote:</p>
<blockquote type="cite">
<div>
<div>
<div dir="ltr"><span>Yes br-tun is there. here is the o/p of
ovs-ofctl.</span>
<div><span><br></span></div>
<div><span>-</span></div>
<div>
<div><span>root@havana:~# ovs-ofctl show br-tun</span></div>
<div><span>OFPT_FEATURES_REPLY (xid=0x2):
dpid:00004e6501755448</span></div>
<div><span>n_tables:254, n_buffers:256</span></div>
<div><span>capabilities: FLOW_STATS TABLE_STATS PORT_STATS
QUEUE_STATS ARP_MATCH_IP</span></div>
<div><span>actions: OUTPUT SET_VLAN_VID SET_VLAN_PCP STRIP_VLAN
SET_DL_SRC SET_DL_DST SET_NW_SRC SET_NW_DST SET_NW_TOS SET_TP_SRC
SET_TP_DST ENQUEUE</span></div>
<div><span> 1(patch-int): addr:42:9d:7c:13:4b:58</span></div>
<div><span> config: 0</span></div>
<div><span> state:
0</span></div>
<div><span> speed: 0 Mbps now, 0 Mbps
max</span></div>
<div><span> LOCAL(br-tun): addr:4e:65:01:75:54:48</span></div>
<div><span> config: 0</span></div>
<div><span> state:
0</span></div>
<div><span> speed: 0 Mbps now, 0 Mbps
max</span></div>
<div><span>OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal
miss_send_len=0</span></div>
</div>
<div><span>--</span></div>
<div><span><br></span></div>
<div><span>Thanks</span></div>
<div><span>Paras.</span></div>
</div>
<div class="gmail_extra"><span><br>
<br></span>
<div class="gmail_quote"><span>On Sat, Nov 9, 2013 at 3:44 AM, Igor
Cardoso <span dir="ltr"><<a href="mailto:igordcard@gmail.com" target="_blank">igordcard@gmail.com</a>></span>
wrote:<br></span>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">I guess br-tun is created in a single node as well,
someone correct me if I'm wrong please.
<div>What is the output of ovs-ofctl show br-tun ?<br>
<div class="gmail_extra">
<div>
<div><br>
<br>
<div class="gmail_quote">On 9 November 2013 02:35, Paras pradhan
<span dir="ltr"><<a href="mailto:pradhanparas@gmail.com" target="_blank">pradhanparas@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<p dir="ltr">Yes gre . all (controller plus compute) in a single
node though.</p>
<div>
<div>
<div class="gmail_quote">On Nov 8, 2013 5:17 PM, "Igor Cardoso"
<<a href="mailto:igordcard@gmail.com" target="_blank">igordcard@gmail.com</a>> wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Are you using GRE?</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On 8 November 2013 22:48, Paras pradhan
<span dir="ltr"><<a href="mailto:pradhanparas@gmail.com" target="_blank">pradhanparas@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div>use_namespace is set to true, iproute is up to date from 12.04
LTS.</div>
<div><br></div>
<div>This is what I see when tcpdump</div>
<div>-</div>
<div><br></div>
<div>
<div>root@havana:/home/localadmin# tcpdump -i qvo6157a9aa-76</div>
<div>tcpdump: WARNING: qvo6157a9aa-76: no IPv4 address
assigned</div>
<div>tcpdump: verbose output suppressed, use -v or -vv for full
protocol decode</div>
<div>listening on qvo6157a9aa-76, link-type EN10MB (Ethernet),
capture size 65535 bytes</div>
<div>16:46:39.006180 IP6 fe80::40fa:38ff:fee3:a3fa > ff02::16:
HBH ICMP6, multicast listener report v2, 1 group record(s), length
28</div>
<div>16:46:39.784902 IP6 :: > ff02::16: HBH ICMP6, multicast
listener report v2, 1 group record(s), length 28</div>
<div>16:46:39.824273 IP 0.0.0.0.bootpc > 255.255.255.255.bootps:
BOOTP/DHCP, Request from fa:16:3e:9a:38:1e (oui Unknown), length
280</div>
<div>16:46:39.933463 IP6 :: > ff02::1:ff9a:381e: ICMP6, neighbor
solicitation, who has fe80::f816:3eff:fe9a:381e, length 24</div>
<div>16:46:40.325389 IP6 :: > ff02::16: HBH ICMP6, multicast
listener report v2, 1 group record(s), length 28</div>
<div>16:46:40.934808 IP6 fe80::f816:3eff:fe9a:381e >
ip6-allrouters: ICMP6, router solicitation, length 16</div>
<div>16:46:42.833239 IP 0.0.0.0.bootpc > 255.255.255.255.bootps:
BOOTP/DHCP, Request from fa:16:3e:9a:38:1e (oui Unknown), length
280</div>
<div>16:46:44.936871 IP6 fe80::f816:3eff:fe9a:381e >
ip6-allrouters: ICMP6, router solicitation, length 16</div>
<div>16:46:45.840668 IP 0.0.0.0.bootpc > 255.255.255.255.bootps:
BOOTP/DHCP, Request from fa:16:3e:9a:38:1e (oui Unknown), length
280</div>
<div>16:46:48.945478 IP6 fe80::f816:3eff:fe9a:381e >
ip6-allrouters: ICMP6, router solicitation, length 16</div>
<div>16:47:00.542029 IP 0.0.0.0 > <a href="http://all-systems.mcast.net" target="_blank">all-systems.mcast.net</a>: igmp query v2</div>
<div>16:47:00.542036 IP6 fe80::d894:29ff:fe08:5ec >
ip6-allnodes: HBH ICMP6, multicast listener querymax resp delay:
10000 addr: ::, length 24</div>
</div>
<div>--</div>
<div><br></div>
<div>Thanks!</div>
<div><span><font color="#888888">Paras.</font></span></div>
<div><span><font color="#888888"><br></font></span></div>
</div>
<div>
<div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Fri, Nov 8, 2013 at 4:26 PM, Rami
Vaknin <span dir="ltr"><<a href="mailto:rvaknin@redhat.com" target="_blank">rvaknin@redhat.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>
<div>On 11/09/2013 12:18 AM, Paras pradhan wrote:<br></div>
<blockquote type="cite">
<div dir="ltr">dnsmaq is running, ip netns doesn't return
anything.</div>
</blockquote>
<br></div>
Empty output from "ip netns" can be either not using namespaces
(run grep "use_namespaces /etc/neutron/l3_agent.ini" to find out)
or using wrong iproute package.<br>
Could you please also check what does tcpdump report? could you see
the discover on the dhcp nic (when using ovs it's a tapxxxxxxxx-xx
nic)? could you see an offer sent from that nic?
<div>
<div><br>
<br>
<blockquote type="cite">
<div dir="ltr">
<div><br></div>
<div>-Paras.</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Fri, Nov 8, 2013 at 4:07 PM, Rami
Vaknin <span dir="ltr"><<a href="mailto:rvaknin@redhat.com" target="_blank">rvaknin@redhat.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>
<div>On 11/08/2013 11:35 PM, Paras pradhan wrote:<br></div>
<blockquote type="cite">
<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">Hi,</span>
<div style="font-family:arial,sans-serif;font-size:13px">
<br></div>
<div style="font-family:arial,sans-serif;font-size:13px">I gpt an
instance UP but it doesnot get an IP address. neutron agent-list
lists DHCP agent happy. While booting I see cirros stuck at sending
discover... multiple times. dnsmasq process is running. how do i
debug?</div>
</div>
</blockquote>
<br></div>
I would start with:<br>
* ps -efl | grep dnsmasq | grep -v grep - to verify that the
dnsmasq process is running, you can also check the conf file appeas
in this output<br>
* ip netns - to get the list of namespaces<br>
* ip netns exec <the_right_dhcp_namespace_name> tcpdump -i
any ... - to look for the dhcp offer or arp issues<br>
* ping each other - instance to dhcp address, and vice versa (the
second one should be done from within the namespace)<br>
<br>
<blockquote type="cite">
<div dir="ltr">
<div style="font-family:arial,sans-serif;font-size:13px">
<br></div>
<div style="font-family:arial,sans-serif;font-size:13px">
Thanks</div>
</div>
<br>
<br>
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<span><font color="#888888"><br>
<br></font></span>
<pre cols="72"><span><font color="#888888">--
Thanks,
Rami Vaknin, QE @ Red Hat, TLV, IL.
</font></span>
</pre></div>
</blockquote>
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<br></div>
</blockquote>
<br>
<br>
<pre cols="72">--
Thanks,
Rami Vaknin, QE @ Red Hat, TLV, IL.
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