[Gllug] [OT] Non Nat dsl router advice?

[Ken Smith]

Andy, I came across a D-Link ADSL modem a week or so ago that might suit
you. The device connected to its Ethernet side gets the public IP address.
No NAT or firewall or anything. So you could put a firewall Linux box there
with GNUGK on it. I don't recall the type number but it will be on the
D-Link site. I too have battled with H323 and its quite NAT hostile.
 
Ken - in nearby Riddlesdown

-----Original Message-----
From: gllug-bounces at gllug.org.uk [mailto:gllug-bounces at gllug.org.uk] On
Behalf Of Andy McGarty
Sent: 18 October 2004 17:40
To: Greater London Linux Users Group
Subject: Re: [Gllug] [OT] Non Nat dsl router advice?

On Mon, 18 Oct 2004 17:20:05 +0100, David Godfrey 
<dave at lists.deltass.co.uk> wrote:

> Andy McGarty wrote:
>
>> On Mon, 18 Oct 2004 16:30:41 +0100, David Godfrey
>> <dave at lists.deltass.co.uk> wrote:
>>
>> >The main problem is the public IP address must be allocated by the
>> >routers internal DHCP server with a 60s lease.
>>
>> Is that 60 Seconds?  That was probably about the time it stayed up for 
>> on
>> my system.
>>
>> Isn't there a chance of data loss if its taking down the interface and
>> reissuing the ip once a minute?
>
> It is 60 seconds. The dhclient should renew the lease after 30s. The
> interface/PPP link will only be taken down if the lease is not renewed
> in time.
>
> Regards
>
> Dave Godfrey
Thanks, I'll give it a go.
I can't see in the config file where you tell it to renew every 30 
seconds, or is that the default?

Do I need a "send dhcp-lease-time 30;" somwhere?

Andy



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