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Best solution for H2 and H2+ section 4.1

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#1 cdipman


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Posted 11 December 2019 - 05:06 PM

Do we have these additional statements in H2+ as below?

- Required protocols should be allowed except for those who has ttl of 0 and 1.
- Specifically stated not to use a deny statement.

Spoto and C4C use the deny sequences in the solutions for both labs.

#2 marcpr


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Posted 13 December 2019 - 09:28 PM

You can avoid using deny statements by creating 2 separate access-lists, one for the permitted traffic (with all permit statements) and one for the denied ttl 0/1 traffic (also with all permit statements), create 2 class-maps (one for the allowed), referring to the first access-list and the other for the ttl 0/1 traffic, referring to the 2nd access-list. Finally in the policy map, you refer to both classes, the allowed class you leave empty (which means that is permitted), and the second ttl class you drop. With this approach you achieve the same, but without deny statements.

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