On 01/13/2014 02:56 PM, Howard White wrote:
The weirdness only gets worse!
Our network consultant increased the size of the DNS return area (or
some such) on our firewall. Now, if I only use the nameserver 4.2.2.2,
I can run:
curl "http://mirrorlist.centos.org/?release=6&arch=i386&repo=os";
Subsequent yum calls hard loop on:
/usr/bin/python /usr/bin/yum some command (doesn't matter what yum
command)
Common Man!!!
Howard
Thank you for continuing to suffer my ramblings. More data points. I
am able to run the above curl - sometimes. Specifically if I edit
/etc/resolv.conf and reduce the nameserver to either 4.2.2.2 or
208.67.222.222. The curl will then run _ONCE_. If I go edit
/etc/resolv.conf again switching the nameserver, the curl will run again.
Just did add the --verbose argument to curl and got the attached text.
IPv6??? Found a CentOS 6 FAQ on how to disable IPv6 which I have
applied by editing /etc/sysctl.conf and rebooting:
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
But still no joy!!!!
Howard
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[root@servermt ~]# curl --verbose
"http://mirrorlist.centos.org/?release=6&arch=i386&repo=os";
* Hostname was NOT found in DNS cache
* Adding handle: conn: 0x8474de0
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0x8474de0) send_pipe: 1, recv_pipe: 0
* Trying 2a02:2498:1:3d:5054:ff:fed3:e91a...
* Immediate connect fail for 2a02:2498:1:3d:5054:ff:fed3:e91a: Network is
unreachable
^C
