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miniupnpd on nat host, not gw for clients

 
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kvone



Joined: 24 Aug 2012
Posts: 2
Location: Russia, Kirov

PostPosted: Fri Aug 24, 2012 5:49 am    Post subject: miniupnpd on nat host, not gw for clients Reply with quote

Hello.
Will miniupnpd work on the NAT host, which is not the gateway to the client?
scheme:

CLI -- PPPoE --> NAS -- ISP Backbone --> NAT --> Internet

Thx.
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miniupnp
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Joined: 14 Apr 2007
Posts: 1391

PostPosted: Sat Aug 25, 2012 8:01 am    Post subject: Reply with quote

what do you mean NAT host "not gateway for client".
Please explain the network setup better.
The NAT is usually the default gateway for clients, because all the network traffic needs to go through it for NAT...

I guess your "NAT host" has 2 network interfaces, one with the "public" IP, one on the private IP LAN ?
That is the kind of sutup miniupnpd is made for !
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kvone



Joined: 24 Aug 2012
Posts: 2
Location: Russia, Kirov

PostPosted: Mon Aug 27, 2012 6:50 am    Post subject: Reply with quote

Quote:
what do you mean NAT host "not gateway for client".
Please explain the network setup better.
The NAT is usually the default gateway for clients, because all the network traffic needs to go through it for NAT...


I mean that the at client the default gateway address specified as pppoe tunnel address.

Client_host (172.16.0.11) --> PPPoE_tunnel --> NAS (only pppoe termination) --> ISP Backbone (gre tun from NAS (192.168.0.2) to NAT (192.168.0.1)) --> NAT (do NAT from 172.16.0.0/12 network to white ip pool on internet iface) --> Internet
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miniupnp
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PostPosted: Mon Aug 27, 2012 10:21 am    Post subject: Reply with quote

So it looks OK... Only make sure that multicast packets are able to reach the NAT box from the client.
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