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Discussions Configure Inside Out Rule for 2 external gateways 1 with NAT one without

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Configure Inside Out Rule for 2 external gateways 1 with NAT one without

GernotMeyer over 5 years ago

Hi,

I have a XG behind a cable modem and a dsl modem.

Cable modem is already NATing so it is not sensfull to NAT from my LAN behind Sophos again. I route my traffic to that GW having a transfer network.

DSL modem is NOT NATing. So when using this way out I need to NAT.

How to configure failover between this 2 ways out? Is it possible?

Thanks for hints.

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0 dirkkotte over 5 years ago

Hi,

I use Firewall-NAT behind NAT routers too.

... why not?
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0 dirkkotte over 5 years ago

Hi,

I use Firewall-NAT behind NAT routers too.

... why not?
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0 GernotMeyer over 5 years ago in reply to dirkkotte

Hi Dirk,

thanks für answer.

1. doubbleNATing slows down the network (i learned once upon a time)

2. voice (cloud telephony for example) recommend not to NAT more than one time.

But in gerenal you are right. It works somehow.

Gernot
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