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New Member

css and delayed binding

At what rule layer does a css perform delayed binding?

Does a css perform delayed binding on a l3 or l4 content rule or does the inital syn pass directly from the client to the server?

Thanks

2 REPLIES
Cisco Employee

Re: css and delayed binding

only when we need to see the content do we do delayed binding.

This is layer 5 rule where we need to see a cookie or a URL or an SSL session ID, ...

For L3 and L4, with the initial packet we are able to make the loadbalancing decision, so no late binding.

Gilles.

New Member

Re: css and delayed binding

The CSS will forward the client "SYN" packet directly to the server on any layer 3 or 4 rule. If it is a layer 5 rule, then the CSS must wait until it sees the HTTP header to make a load balancing decision.

If you have a layer 4 and 5 rule for the same IP address and port (or possibly layer 3 rule with same IP) then the CSS must wait until the layer 5 information even it it hits the layer 3 or 4 rule (we dont know if it hits the layer 4 rule until after we know if it hits the layer 5 rule first)

Hope this makes sense...

-Steve

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