In order to redirect based on URL, u need to use layer 7 switching.
Layer 4 switching permit only to do a redirection based on Layer 3 or 4
parameters (IP addresses & TCP/UDP port numbers .... So If u use Layer 7
switching on platform like Alteon or Cisco CSS, u will use "CPU switching"
(layer 7 analysis done by CPU) instead of ASIC switching at layer 4.
>From: "Ofer Kalisky" <kaliskyIZZATmessagevine.com>
>Reply-To: lb-lIZZATvegan.net
>To: <lb-lIZZATvegan.net>
>Subject: [load balancing] layer 4 capabilities
>Date: Tue, 29 Jan 2002 12:15:34 +0200
>
>I'm using a layer 4 lb in order to balance http users.
>
>Is there a way of redirecting (using layer 4 only!) according to URL
>(variable or path), or something of this sort?
>Is there an addition to a layer 4 lb that does these kind of things, does
>it
>come as a part of the layer 4 lb?
>
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