In my experience (admittedly foreign from here) when the provider won't allow 
access to their router they will supply a /30 linknet and then static the /28 
to the customer. 

Once you have the /28 you can assign as many of the IP's out and then create 
the tunnels with the local IP assigned. 

Regards

Alexander

Alexander Neilson
Neilson Productions Ltd
[email protected]
021 329 681

> On 19/09/2014, at 5:21 am, Roy, Jerry <[email protected]> wrote:
> 
> Hi MT Listonians!
> 
> Need your input on a design. We have a customer that needs public IP space 
> for their devices and we have installed a 750 as a router behind a router 
> from the ISP. The ISP had assigned us a /28 and we have subnetted to two 
> /29's. So we have public IP space on WAN (one/29 - So we can build IPsec 
> tunnel for management) and public IP space on LAN (second /29) for customer 
> equipment. We had to change the mask on the ISP router and add a static route 
> on their router to the MT WAN for the new /29 that we have assigned on its 
> LAN. Works well with Covad but now we have ran into an issue with Comcast, 
> they will not allow us access to the router to modify mask and add a static 
> route. These are ALL business circuits so we should be able to control our 
> own destiny but Comcast has put a stop to this. What I want to do now is use 
> the entire /28 space across all ports on the 750 and build our IPsec tunnel 
> from the MT back to our management server. Anyone done this before and will 
> it work t
 hi
> s way? Basically a switch with Layer three IP for Management and Ipsec 
> termination.
> 
> TIA for all your input.
> 
> Jerry Roy
> Tolt Solutions
> 
> 
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