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ISP 7 AS 7 ISP 5 AS 5ISP 3 AS 3 ISP 1 AS 1 peer ISP 9 AS 9 peer.

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Presentation on theme: "ISP 7 AS 7 ISP 5 AS 5ISP 3 AS 3 ISP 1 AS 1 peer ISP 9 AS 9 peer."— Presentation transcript:

1 ISP 7 AS 7 ISP 5 AS 5ISP 3 AS 3 ISP 1 AS 1 peer ISP 9 AS 9 peer

2 A C B FE I G D H J Liste des sessions et numéros d’AS AS 1 AS 3 AS 5 AS 7 AS 9 Sessions eBGP OSPF et IBGP

3 AS 1 - table A (qui fait du BGP avec 3) : ip as-path access-list 2 permit ^$ ip as-path access-list 3 permit ^3$ router bgp 1 nei x.x.x.x filter-list 2 out -> AS-3 nei x.x.x.x filter-list 3 in -> AS-3

4 AS 1 - table B (qui fait du BGP avec 5) : ip as-path access-list 1 deny ^3$ ip as-path access-list 1 permit.* router bgp 1 nei x.x.x.x filter-list 1 out -> AS-5

5 AS 3 - table C (qui fait du BGP avec 1) : ip as-path access-list 2 permit ^$ ip as-path access-list 3 permit ^1$ router bgp 3 nei x.x.x.x filter-list 2 out -> AS-1 nei x.x.x.x filter-list 3 in -> AS-1

6 AS 3 - table D (qui fait du BGP avec 5) : ip as-path access-list 1 deny ^1$ ip as-path access-list 1 permit.* router bgp 3 nei x.x.x.x filter-list 1 out -> AS-5

7 AS 5 - table E (qui faut du BGP avec 7 et 9) : ip as-path filter-list 3 permit ^7$ ip as-path filter-list 4 permit ^9$ router bgp 5 nei x.x.x.x filter-list 3 in -> AS-7 nei x.x.x.x filter-list 4 in -> AS-9

8 AS 5 - table F (qui faut du BGP avec 1 et 3) : ip as-path filter-list 1 permit ^1$ ip as-path filter-list 2 permit ^3$ router bgp 5 nei x.x.x.x filter-list 1 in -> AS-1 nei x.x.x.x filter-list 2 in -> AS-3

9 AS 7 - table G (qui fait du BGP avec 5) : ip as-path access-list 1 deny ^9$ ip as-path access-list 1 permit.* router bgp 7 nei x.x.x.x filter-list 1 out -> AS-5

10 AS 7 - table H (qui fait du BGP avec 9) : ip as-path access-list 2 permit ^$ ip as-path access-list 3 permit ^9$ router bgp 7 nei x.x.x.x filter-list 2 out -> AS-9 nei x.x.x.x filter-list 3 in -> AS-9

11 AS 9 - table I (qui fait du BGP avec 5) : ip as-path access-list 1 deny ^7$ ip as-path access-list 1 permit.* router bgp 9 nei x.x.x.x filter-list 1 out -> AS-5

12 AS 9 - table J (qui fait du BGP avec 7) : ip as-path access-list 2 permit ^$ ip as-path access-list 3 permit ^7$ router bgp 9 nei x.x.x.x filter-list 2 out -> AS-7 nei x.x.x.x filter-list 3 in -> AS-7


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