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Posted to issues@cloudstack.apache.org by "Adrian Lewis (JIRA)" <ji...@apache.org> on 2013/07/30 13:17:49 UTC
[jira] [Issue Comment Deleted] (CLOUDSTACK-282) Virtual Routers do
not properly resolve DNS SRV Records
[ https://issues.apache.org/jira/browse/CLOUDSTACK-282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Adrian Lewis updated CLOUDSTACK-282:
------------------------------------
Comment: was deleted
(was: Setting this as a duplicate of CLOUDSTACK-2224 as there seems to be more discussion on that issue despite this being the first report chronologically. Hope this is the right thing to do.)
> Virtual Routers do not properly resolve DNS SRV Records
> -------------------------------------------------------
>
> Key: CLOUDSTACK-282
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-282
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the default.)
> Components: Network Controller
> Affects Versions: pre-4.0.0
> Environment: Cloudstack 3.02 Management Server on Centos 6.2, Xenserver 6.02 Hosts
> Reporter: Nik Martin
> Priority: Minor
> Fix For: 4.2.0
>
>
> When using SNAT Networking, I have a VM with a Static NAT IP Assinged in Cloudstack. The Centos 6.2 VM has dhcp defined as the network protocol, and gets a private network IP, and a Static NAT Public IP. /etc/resolv.conf on the guest VM gets written out by dhclient, and has one nameserver defined: 10.1.1.1, which is the virtual router for the guest network. If doing a DIG lookup of a SRV record in the form:
>
> # dig _sip._tcp.voipstack.net SRV
> ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.4 <<>> _sip._tcp.voipstack.net SRV
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 576
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
> ;; QUESTION SECTION:
> ;_sip._tcp.voipstack.net. IN SRV
> ;; Query time: 1 msec
> ;; SERVER: 10.1.1.1#53(10.1.1.1)
> ;; WHEN: Sun Oct 7 13:40:43 2012
> ;; MSG SIZE rcvd: 41
> Nothing is returned.
> If I manually edit /etc/resolv.conf, and add: nameserver 8.8.8.8, and do the same query, I get:
> # dig _sip._tcp.voipstack.net SRV
> ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.4 <<>> _sip._tcp.voipstack.net SRV
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42375
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
> ;; QUESTION SECTION:
> ;_sip._tcp.voipstack.net. IN SRV
> ;; ANSWER SECTION:
> _sip._tcp.voipstack.net. 1606 IN SRV 1 9 5060 as2.voipstack.net.
> _sip._tcp.voipstack.net. 1606 IN SRV 0 9 5060 as1.voipstack.net.
> ;; Query time: 36 msec
> ;; SERVER: 8.8.8.8#53(8.8.8.8)
> ;; WHEN: Sun Oct 7 13:33:39 2012
> ;; MSG SIZE rcvd: 115
> The virtual router should resolve all valid DNS record types
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