Author Topic: MCA External IP Addresses  (Read 3596 times)

Offline ralph

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MCA External IP Addresses
« on: March 21, 2013, 03:30:26 PM »
I've poured over the engineering docs on this and haven't found it.

I have a MAS in LAN mode.   
The engineering docs says that you need 2 external IP address.   One of them has to map 443 to 4443.
What I can't find is 'Why?'

If I'm doing a one-to-one NAT why would it need a second IP?
It doesn't need one internally.

Ralph



Offline akuhn

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Re: MCA External IP Addresses
« Reply #1 on: March 21, 2013, 03:32:20 PM »
I can't say why, but my 5000 has 2 external IP addresses and my MAS and AWC each have one.  I think for the 5000, it's for the expansion chassis.

Offline ralph

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Re: MCA External IP Addresses
« Reply #2 on: March 21, 2013, 03:49:26 PM »
This is what the engineering docs say:

Quote
Have two domain names (or subdomains) available when using address translation.
o External IP address 1 must be routed to Internal IP address 1.
o External IP address 2, port 443 (default) must be routed to Internal IP address 1 port 4443 (default).

Ralph

Offline LoopyLou

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Re: MCA External IP Addresses
« Reply #3 on: March 22, 2013, 08:33:41 AM »
Think the second IP is needed for the collaboration part of the MCA.

Offline ralph

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Re: MCA External IP Addresses
« Reply #4 on: March 22, 2013, 10:00:40 AM »
Quote
Think the second IP is needed for the collaboration part of the MCA.

That's what I suppose.   
I think it allows for external users to traverse firewalls via port 443 and have it reach port 4443.
But where is this FQDN referenced in the MCA config?

Ralph

Offline johnp

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Re: MCA External IP Addresses
« Reply #5 on: March 22, 2013, 01:21:47 PM »
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Offline martyn

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Re: MCA External IP Addresses
« Reply #6 on: April 01, 2013, 06:00:49 PM »
If you are running MCA on MAS  4.0 (SP2 I think is the earliest. Ie current version) then you only need the one IP address again now.

One thing to watch out for is if you upgrade an existing install then you need to reconfigure the web proxy, and MCA for the new requirements, as otherwise you will get people complaining that they can't collaborate!


 

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