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TOPIC: Two IP Classes On One Network

Two IP Classes On One Network 8 years 5 months ago #25667

  • supa-her0
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Is it possible to have 10.x.x.x and 192.x.x.x on one network? Would placing a router as a bridge connecting them allow these two classes to communicate?

Thanks,
Aspiring Techy :D
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Re: Two IP Classes On One Network 8 years 5 months ago #25669

  • Smurf
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You cannot bridge them as IP is at Layer 3 wich will need to be routed.

An older way around that is to use Proxy ARP but these days its not used a lot.

Proxy ARP listens for an ARP request and if its through a router to another subnet, the router will responsed with its MAC and then forward the traffic through.
Wayne Murphy
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Now working for a Security Company called Sec-1 Ltd in the UK, for any
Penetration Testing work visit www.sec-1.com or PM me for details.
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Re: Two IP Classes On One Network 8 years 5 months ago #25671

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Just a router as router would be more as enough.

10.x.x.x can communicate with 192.x.x.x if you have a Router with multiple or sub-interface to support this.

Or isn't this what ur looking 4?
CCNA / CCNP / CCNA - Security / CCIP / Prince2 / Checkpoint CCSA
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Re: Two IP Classes On One Network 8 years 5 months ago #25673

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Is it possible to have 10.x.x.x and 192.x.x.x on one network? Would placing a router as a bridge connecting them allow these two classes to communicate?

Thanks,
Aspiring Techy :D

By "one Network" did you mean "one LAN segment" ?
Studying CCNP...

Ammar Muqaddas
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www.firewall.cx
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Re: Two IP Classes On One Network 8 years 5 months ago #25678

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Yes I meant one LAN segment.

Thanks for the reply everyone.

One more question just to clarify, instead of a router could I use a linux box with two IPs? I mean to have one IP on each LAN segment and therefore acting as a router. Because the LAN segments are physically all connected.

Thanks[/quote]
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Re: Two IP Classes On One Network 8 years 5 months ago #25687

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You can use anything that is able to plug into both segments and route traffic. Linux, windows server (using RRAS), WatchGuard Firebox, Router, etc...
Wayne Murphy
Firewall.cx Team Member
www.firewall.cx

Now working for a Security Company called Sec-1 Ltd in the UK, for any
Penetration Testing work visit www.sec-1.com or PM me for details.
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