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Attention: The Cisco Support Community site will be in read only mode on Dec14, 2017 from 12:01am PST to 11:30am for standard maintenance. Sorry for the inconvenience.

New Member

PIX 7.2 Packet Processing Order ?

I have searched for documentation regarding the order of operations for packet processing in the PIX 535 appliance for both inbound and outbound packets, but cannot find any.

Does anyone have a reference as to what order ACLs, Xlate, Conn, and NAT lookups occur on packets in the PIX?

Andrew

4 REPLIES

Re: PIX 7.2 Packet Processing Order ?

New Member

Re: PIX 7.2 Packet Processing Order ?

You could also try the 'packet-tracer' command. It will show you the actual steps that are taken for a packet that you can specify.

Gold

Re: PIX 7.2 Packet Processing Order ?

Check drawing in attachement

M.

Hope that helps

New Member

Re: PIX 7.2 Packet Processing Order ?

hey,

if you deside to upgrade to 7.2.x

u can use the packet-tracer, show xlate debug + other commands that are very! use full to debugging traffic on pix/asa

Martin

DK

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