ios order of operations

From: Imran Ali <immrccie_at_gmail.com>
Date: Sat, 6 Oct 2012 15:10:32 +0300

Hi all ,

i was reading secure router strategies , and got the following order of
operations when packet hits a cisco router. the first thing the router does
it if RITE is enabled it dumps it to the interface connected to sniffer .
What the sniffer will do with encypted traffic ? isn't it more logical
to put RITE after DE CYPHER action ?

1. IP Traffic Export (RITE)

2. QoS Policy Propagation through BGP (QPPB)

3. Ingress Flexible NetFlow

4. Network Based Application Recognition (NBAR)

5. Input QoS Classification

6. Ingress NetFlow

7. IOS IPS Inspection

8. Input Stateful Packet Inspection (IOS FW)

9. Input ACL

10. Input Flexible Packet Matching (FPM)

11. IPsec Decryption (if encrypted)

12. Unicast RPF check

13. Input QoS Marking

14. Input Policing (CAR)

15. Input MAC/Precedence Accounting

16. NAT Outside-to-Inside

17. Policy Routing

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Received on Sat Oct 06 2012 - 15:10:32 ART

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