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Re: Load balancing

From: Men & Mice Support
Date: Friday, October 19, 2001
Time: 2:11:00 pm

You're going to have to be less cryptic. What are the "two running"
and the "two new"?

If you can't connect from QuickDNS Manager to a QuickDNS server using
the internal IP address, then make sure that QuickDNS Remote is
running on the server.
____________________________________________________________________
Chris Buxton Men & Mice
support@menandmice.com Making DNS Easy

At 10:37 AM -0700 10/19/01, Ross Markbreiter wrote:
>I am using the internal Ip of the server, it works for the two
>running buththe two new it does not.
>I can connect with a browser to outside and ping the server but
>cannot connect with QDNS Manager, frustrated.
>Thanks Ross
>
>>This sounds like the NAT server issue I was mentioning earlier.
>>With most NAT servers, you can't connect between inside machines
>>using the public IP address - the port mapping doesn't work,
>>because the NAT doesn't work right. It sounds like your NAT server
>>has this problem.
>>
>>Just to be sure: Are you using the public name of your server, or
>>its internal IP address?
>>____________________________________________________________________
>>Chris Buxton Men & Mice
>>support@menandmice.com Making DNS Easy
>>
>>At 3:44 PM -0700 10/18/01, Ross Markbreiter wrote:
>>> Hmm. is there any other port needs to be open? I cannot connect
>>>to a new server I am testing out on a backup dns server.
>>> I can get out on the internet with the server but cannot connect
>>>QDNS manager to it, I opened port 1337
>>>Thanks for your time.
>>>
>>>>QuickDNS Manager uses port 1337/TCP.
>>>>QuickDNS Load Balancer uses port 80/TCP to talk to the web servers.
>>>>____________________________________________________________________
>>>>Chris Buxton Men & Mice
>>>>support@menandmice.com Making DNS Easy
>>>>
>>>>At 1:42 PM -0700 10/18/01, Ross Markbreiter wrote:
>>>>>What port is needed to have QDNS manager connect to it?
>>>>>
>>>>>>Right. And that's why QuickDNS Load Balancer thinks that the
>>>>>>web server inside the NAT server is not responding.
>>>>>>
>>>>>>I'm afraid I don't have a solution for you, though, other than
>>>>>>to replace the Cisco NAT server with something that's able to
>>>>>>do two-way NAT, or else to put your servers on a DMZ (if the
>>>>>>router supports that).
>>>>>>____________________________________________________________________
>>>>>>Chris Buxton Men & Mice
>>>>>>support@menandmice.com Making DNS Easy
>>>>>>
>>>>>>At 7:15 PM -0700 10/17/01, Ross Markbreiter wrote:
>>>>>>>Oh! From inside the network I cannot connect to
>>>>>>><http://38.228.178.2/>, only outside.
>>>>>>>
>>>>>>>>That's not exactly what I expected. :-\
>>>>>>>>
>>>>>>>>If you can connect, from the inside, to
>>>>>>>><http://38.228.178.2/>, then the question becomes, why can't
>>>>>>>>QuickDNS Load Balancer?
>>>>>>>>____________________________________________________________________
>>>>>>>>Chris Buxton Men & Mice
>>>>>>>>support@menandmice.com Making DNS Easy
>>>>>>>>
>>>>>>>>At 6:07 PM -0700 10/17/01, Ross Markbreiter wrote:
>>>>>>>>>We can connect to ciscorouter.com from inside the network yes.
>>>>>>>>>
>>>>>>>>>>Well, something's changed. From another machine inside the
>>>>>>>>>>NAT server, can you connect to <http://ciscorouter.com/>?
>>>>>>>>>>Could you connect to that URL with the previous NAT server?
>>>>>>>>>>____________________________________________________________________
>>>>>>>>>>Chris Buxton Men & Mice
>>>>>>>>>>support@menandmice.com Making DNS Easy
>>>>>>>>>>
>>>>>>>>>>At 4:38 PM -0700 10/17/01, Ross Markbreiter wrote:
>>>>>>>>>>>Chris,
>>>>>>>>>>>\We changed from CISCO1601 to A CISCO1720 because we added
a backup Line to the network.
>>>>>>>>>>>The router is providing NAT service as it was with the 1601
>>>>>>>>>>>Ross
>>>>>>>>>>>
>>>>>>>>>>>>Ross,
>>>>>>>>>>>>
>>>>>>>>>>>>Changed from what router to what other router? And why?
And is the router providing NAT service?
>>>>>>>>>>>>
>>>>>>>>>>>>If NAT service is involved, then that is the problem.
With many NAT servers, a connection from inside the LAN to the public
IP address on a port-mapped port doesn't work.
>>>>>>>>>>>>
>>>>>>>>>>>>This doesn't affect www.48hourdiet.com because, in that
case, neither web server is behind your NAT server.
>>>>>>>>>>>>____________________________________________________________________
>>>>>>>>>>>>Chris Buxton
Men & Mice
>>>>>>>>>>>>support@menandmice.com
Making DNS Easy
>>>>>>>>>>>>
>>>>>>>>>>>>At 12:08 PM -0700 10/17/01, Ross Markbreiter wrote:
>>>>>>>>>>>>>Chris,
>>>>>>>>>>>>>We changed routers? but it has the same info on it? and
>>the Zone 48hourdiet.com has a load balance record and it works right?
>>>>>>>>>>>>>The only difference is that 48hourdiet.com is on a 12.xxx. network
>>>>>>>>>>>>>Ross
>>>>>>>>>>>>>
>>>>>>>>>>>>>>Ross,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>Do you have a NAT server involved in your setup? Or have
>>you recently changed anything on your network?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>We tested your data, and it works fine for us.
>>>>>>>>>>>>>>_______________________________________________________________
_____
>>>>>>>>>>>>>>Chris Buxton
>>Men & Mice
>>>>>>>>>>>>>>support@menandmice.com
>>Making DNS Easy
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>At 5:54 PM -0700 10/16/01, Ross Markbreiter wrote:
>>>>>>>>>>>>>>>Ok. I sent it.
>>>>>>>>>>>>>>>
At 4:37 PM -0700 10/16/01, Ross Markbreiter wrote:
>I can restarted the entire server?
>Is it still think it is not up?

smtp.thewwwstore.com thinks the web server is down.
>>>>smtp2.thewwwstore.com thinks both web servers are down.

Maybe you should send us your QuickDNS Data folder from
>>>>smtp.thewwwstore.com. Send a compressed copy of it to
>>>><support@menandmice.com>
>>>Were would I put this enrty?
>>>>If you keep www.worldwidewebstore.com as the load balance
>>>>>>>>record, then you would replace the other load balance record with this:
>>>>
>>>>www.ciscorouter.com. CNAME www.worldwidewebstore.com.
>>
>>In the ciscorouter.com zone. You would delete the load
>>>>>>balance record and enter instead the CNAME record.
>
>So for Ciscorouter.com delete the load balance record,
>>>>>>make a CNAME entry that would be www.worldwidewebstore.com
>I do not understand how does this cover the domain name if
>>>>>>one of the servers are down?

If you create the CNAME record given above in place of
>>>>the load balance record in the ciscorouter.com zone, then
>>>>www.ciscorouter.com will have exactly the same load balancing
>>>>characteristics as www.worldwidewebstore.com.

The CNAME record creates an alias (the name on the left).
>>>>An alias gains all the properties of the original (the name on the right).
_______________________________________________________________
>>_____
Chris Buxton
>>>>Men & Mice
support@menandmice.com
>>>>Making DNS Easy
>>>>>Hi Chris,
>>>>>That is bizarre?
>>>>
>>>>Yes, it is strange.
>>>>
>>>>>I just checked and both have 38.228.178.2 9999 is the
>>>>>>preference
>>>>
>>>>Have you tried rebooting the QuickDNS servers?
>>>>
>>>>>I do not know how to setup a CNAME
>>>>
>>>>If you keep www.worldwidewebstore.com as the load balance
>>>>>>>>record, then you would replace the other load balance record with this:
>>>>
>>>>www.ciscorouter.com. CNAME www.worldwidewebstore.com.
>>>>
>>>>>Anything else I should check for?
>>>>
>>>>If rebooting doesn't solve it, try deleting and
>>>>>>>>recreating one of these load balance records.
>>>>_______________________________________________________________
>>>>>>_____
>>>>Chris Buxton
>>>>>>>>Men & Mice
>>>>support@menandmice.com
>>>>>>>>Making DNS Easy
>>>>>>Both of your DNS servers are giving out the 12.x.x.x
>>>>>>>>>>address for www.<both-domains>. Double-check your load
>>>>>>>>>>balance records to make sure the preference values are
>>>>>>>>>>correct.
>>>>>>
>>>>>>Note that, since the zone names don't (and can't) have
>>>>>>>>>>load balance records, they still point to the 38.x.x.x address.
>>>>>>
>>>>>>Why do you have two load balance records, instead of one
>>>>>>>>>>load balance record and one CNAME record?
>>>>>>_______________________________________________________________
>>>>>>>>_____
>>>>>>Chris Buxton
>>>>>>>>>>Men & Mice
>>>>>>support@menandmice.com
>>>>>>>>>>Making DNS Easy
>>>>>>
>>>>>>At 2:12 PM -0700 10/16/01, Ross Markbreiter wrote:
>>>>>>>Hi Chris,
>>>>>>>Some reason www.worldwidewebstore.com and
>>>>>>>>worldwidewebstore.com
>>>>>>>are going to the server with backup entry
>>>>>>>I have 38.228.178.2 9999
>>>>>>> 12.98.202.178 1
>>>>>>>All www hits are going to the backup server?
>>>>>>>Same for www.ciscorouter.com and ciscorouter.com
>>>>>>>Can you see anything wrong?
>>>>>>>Thanks Ross
>>>>>>>
>>>>>>>Ross Markbreiter
>>>>>>>Director Sales
>>>>>>>The World Wide Web Store, Inc
>>>>>>>4351 Van Nuys Blvd.
>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>http://www.worldwidewebstore.com
>>>>>>>Ph:818-905-6787
>>>>>>>Fax:818-905-6783
>>>>>>>Toll Free-888-999-7522
>>>>>>>ross@thewwwstore.com
>>>>>
>>>>>Ross Markbreiter
>>>>>Director Sales
>>>>>The World Wide Web Store, Inc
>>>>>4351 Van Nuys Blvd.
>>>>>Sherman Oaks, Ca 91403
>>>>>http://www.worldwidewebstore.com
>>>>>Ph:818-905-6787
>>>>>Fax:818-905-6783
>>>>>Toll Free-888-999-7522
>>>>>ross@thewwwstore.com
>>>
>>>Ross Markbreiter
>>>Director Sales
>>>The World Wide Web Store, Inc
>>>4351 Van Nuys Blvd.
>>>Sherman Oaks, Ca 91403
>>>http://www.worldwidewebstore.com
>>>Ph:818-905-6787
>>>Fax:818-905-6783
>>>Toll Free-888-999-7522
>>>ross@thewwwstore.com
>
>Ross Markbreiter
>Director Sales
>The World Wide Web Store, Inc
>4351 Van Nuys Blvd.
>Sherman Oaks, Ca 91403
>http://www.worldwidewebstore.com
>Ph:818-905-6787
>Fax:818-905-6783
>Toll Free-888-999-7522
>ross@thewwwstore.com
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Ross Markbreiter
>>>>>>>>>>>>>>>Director Sales
>>>>>>>>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>>>>>>>>Ph:818-905-6787
>>>>>>>>>>>>>>>Fax:818-905-6783
>>>>>>>>>>>>>>>Toll Free-888-999-7522
>>>>>>>>>>>>>>>ross@thewwwstore.com
>>>>>>>>>>>>>
>>>>>>>>>>>>>Ross Markbreiter
>>>>>>>>>>>>>Director Sales
>>>>>>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>>>>>>Ph:818-905-6787
>>>>>>>>>>>>>Fax:818-905-6783
>>>>>>>>>>>>>Toll Free-888-999-7522
>>>>>>>>>>>>>ross@thewwwstore.com
>>>>>>>>>>>
>>>>>>>>>>>Ross Markbreiter
>>>>>>>>>>>Director Sales
>>>>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>>>>Ph:818-905-6787
>>>>>>>>>>>Fax:818-905-6783
>>>>>>>>>>> Toll Free-888-999-7522
>>>>>>>>>>>ross@thewwwstore.com
>>>>>>>>>
>>>>>>>>>Ross Markbreiter
>>>>>>>>>Director Sales
>>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>>Ph:818-905-6787
>>>>>>>>>Fax:818-905-6783
>>>>>>>>> Toll Free-888-999-7522
>>>>>>>>>ross@thewwwstore.com
>>>>>>>
>>>>>>>Ross Markbreiter
>>>>>>>Director Sales
>>>>>>>The World Wide Web Store, Inc
>>>>>>>4351 Van Nuys Blvd.
>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>http://www.worldwidewebstore.com
>>>>>>>Ph:818-905-6787
>>>>>>>Fax:818-905-6783
>>>>>>> Toll Free-888-999-7522
>>>>>>>ross@thewwwstore.com
>>>>>
>>>>>Ross Markbreiter
>>>>>Director Sales
>>>>>The World Wide Web Store, Inc
>>>>>4351 Van Nuys Blvd.
>>>>>Sherman Oaks, Ca 91403
>>>>>http://www.worldwidewebstore.com
>>>>>Ph:818-905-6787
>>>>>Fax:818-905-6783
>>>>> Toll Free-888-999-7522
>>>>>ross@thewwwstore.com
>>>
>>>Ross Markbreiter
>>>Director Sales
>>>The World Wide Web Store, Inc
>>>4351 Van Nuys Blvd.
>>>Sherman Oaks, Ca 91403
>>>http://www.worldwidewebstore.com
>>>Ph:818-905-6787
>>>Fax:818-905-6783
>>> Toll Free-888-999-7522
>>>ross@thewwwstore.com
>>
>
>Ross Markbreiter
>Director Sales
>The World Wide Web Store, Inc
>4351 Van Nuys Blvd.
>Sherman Oaks, Ca 91403
>http://www.worldwidewebstore.com
>Ph:818-905-6787
>Fax:818-905-6783
> Toll Free-888-999-7522
>ross@thewwwstore.com


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