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Re: Load balancing

From: Ross Markbreiter
Date: Friday, October 19, 2001
Time: 10:39:42 am

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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