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 Cisco CCIE Certification and CCNP Certification FAQs :
In what order do things happen when a packet is processed? |
| This is a collection of links and explanations for understanding the order of packet processing, ie an inbound access-list is processed before a NAT, etc. It also covers orders of operations of routing protocols.
sean@ertw.com | |
| Focuses on NAT http://www.cisco.com/warp/public/556/5.html | |
| Focuses on QoS: http://www.cisco.com/en/US/tech/tk543/tk757/technologies_tech_note09186a0080160fc1.shtml | |
See this .pdf for a flowchart, includes policy routing and routing protocol filtering. routingprocess.pdf (41.3 K)
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More specific to BGP processing of routes/filters: In what order are BGP filters applied?How does BGP choose routes?
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