[cisco-voip] CUBE Configuration

[Nick Matthews]

I think this is a simplified version of a picture that CUBE is used for.
CUBEs are used for overlapping IP address spaces, but not like this.
Generally you'll have something like 10.x network -> CUBE-> DMZ->CUBE->10.x
network.  I've seen this for mergers and the likes, where you've got a CUBE
on the side of each company.  You route over the DMZ on certain phone
prefixes, etc.

This would not be a working scenario.  Pete is right that it only supports
one VRF, and even then it doesn't support overlapping IP addresses between
the global table and the VRF.  This picture should have two CUBEs in it.

-nick

On Mon, Nov 8, 2010 at 5:14 PM, Peter Slow <peter.slow at gmail.com> wrote:

> Tim,
>    Did you look at the IP addresses on the two phones involved in the
> scenario?
> -Pete
>
>
> On Mon, Nov 8, 2010 at 4:58 PM, Tim Smith <smithsonianwa at gmail.com> wrote:
>
>> And yes the scenario does work. I've got it running for a Skype Connect
>> SIP trunk at the moment.
>>
>> Cheers,
>>
>> Tim.
>>
>>
>> On Tue, Nov 9, 2010 at 8:57 AM, Tim Smith <smithsonianwa at gmail.com>wrote:
>>
>>> I'm only just starting out on CUBE to be honest.
>>>
>>> You can have both flow through and flow around modes for the media.
>>>
>>> Flow through as below.. actually re-originates the signalling and media
>>> from the CUBE's IP address.
>>> So it's basically like a HTTP proxy server for example.
>>>
>>> To make it the networks on each side of the CUBE, just need to be able to
>>> reach the CUBE itself.
>>>
>>> They do not need to see the other network directly.
>>>
>>> Cheers,
>>>
>>> Tim.
>>>
>>> On Tue, Nov 9, 2010 at 8:09 AM, Ahmed Elnagar <
>>> ahmed_elnagar at rayacorp.com> wrote:
>>>
>>>> Dear all;
>>>>
>>>>
>>>>
>>>> This slide is from CVOICE course…I need to know is it possible from a
>>>> routing perspective…can these two phones communicate through the CUBE
>>>> normally?...how the routing table would look like on the CUBE router?
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>   Best Regards;
>>>>
>>>>   Ahmed Elnagar
>>>>
>>>>   Senior Network PS Engineer
>>>>
>>>>
>>>>
>>>> [image: Description: untitled]
>>>>
>>>>   RAYA Building El Motamiez District, 6th of October, Egypt
>>>>
>>>>
>>>>
>>>>   Mob: +2019-0016211
>>>>
>>>>   Phone: +202 3827 6000 Ext.2475
>>>>
>>>>   Website: www.rayacorp.com
>>>>
>>>>   E-mail: ahmed_elnagar at rayacorp.com
>>>>
>>>>   CCIE#24697 (Voice)
>>>>
>>>>  [image: Description: ccie_voice_large.gif]
>>>>
>>>>
>>>>
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