[asterisk-users] OT: NAT in SPA922

[Vineet Bhojnagarwala]

I think this is a motel kind of situation and a PVLAN serves the  
situation right. Put all the ipphones in the voice vlan as suggested,  
make a seperate isolated vlan for the PCs, this will restrict traffic  
between the clients.


Rgds,

Vineet Bhojnagarwala RCDD, NTS, OSP
Spear Networks Pvt Ltd
Integration & Consultancy
+91-9831436607

On May 6, 2010, at 11:30 PM, "David White"  
<David.White at watchguard.com> wrote:

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com on behalf of Noah Miller
> Sent: Thu 5/6/2010 10:41 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] OT: NAT in SPA922
>
> >>> It is a building, with 24 separated rooms, each room will have a  
> PC and a IP
> >>> Phone. Every room connected to a switch Cisco 2950.
> >>> I want keeping all PCs isolated behind a NAT (no access to  
> neighbour's PC),
> >>> and still keep communication in same LAN between all IP Phones.
> >>>
> >>> Should I take another approach on that?
> >>>
> >> Put each PC in its own VLAN.  Keep all the phones in one VLAN.
> >>
> >> Although having a $30 router in each room hanging off the phone  
> would
> >> accomplish what you want also.
> >
> > Take j's suggestion to use VLANs.  This is not a good situation for
> > NAT.  Cisco 2950's can do VLANs.
> >
>
> to be clear, the only way this will work with the PCs is if each PC  
> vlan is *also* a unique ip subnet (else how do all the vlans access  
> a common default gw?)
>
> place the phones in a voice vlan, and the phone problem is solved.
> as for the PC isolation, you might get better feedback on a cisco or  
> other networking forum.
>
> -david
>
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