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From: "Greg Scott" <GregScott@InfraSupportEtc.com>
To: lartc@vger.kernel.org
Subject: [LARTC] Why multiple NICs in a multiple route situation?
Date: Fri, 02 Aug 2002 07:46:17 +0000	[thread overview]
Message-ID: <marc-lartc-102827313732464@msgid-missing> (raw)

In a situation with multiple routers to the Internet and a
Linux firewall/router that either makes a choice about which
route to use or load balances among the routes:

> I don't think you *need* to have a separate NIC for each 
> router, but if I were doing it, I'd want each router on a 
> separate network.

This has been bugging me - if a single NIC will work then what 
value does another NIC add?  Let's say the circuits are both T1.
With two possible circuits, that's just a little more than 3mb
per second.  At 100 mbit per NIC, it would take more than 50
T1s to swamp it. 

So why a NIC per T1?  Why not just give a single NIC an 
IP address in all the networks for each T1?  Or am I missing
something important?

thanks

- Greg Scott
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             reply	other threads:[~2002-08-02  7:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-08-02  7:46 Greg Scott [this message]
2002-08-02  7:57 ` [LARTC] Why multiple NICs in a multiple route situation? William L. Thomson Jr.
2002-08-06 16:30 ` Michael T. Babcock

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