A Technical Look at IPSEC VPN Tunnel Creation

On this episode of Technically Speaking... Cisco Principal Engineer Hank Preston explores IPSEC VPN Tunnel Creation. Once configured, what does the process look like when the tunnel comes up between two endpoints? Hank takes a technical look at the tunnel creation process and breaks down terms such as, Phase 1, Phase 2, and protocols such as Internet Key Exchange (IKE), Encapsulating Security Payload (ESP), IPSEC, so you really understand them.
This demo will include Cisco Modeling Labs.
CHAPTERS
1:19 Initiate VPN Tunnel Creation with an "Interesting Ping"
3:07 Explore Phase 1 and Phase 2 Security Associations on the Firewall
9:10 Review Packets Captured During Tunnel Setup
11:40 Create a Second Phase 2 Security Association
Find Hank at:
/ hfpreston
GitHub: github.com/hpre...
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[@user-vu2co7yt4v]

Hello, After having checked the vidéo, I have 4 questions 1)In phase 1 of an ipsec tunnel there is a key that has a duration? What does this key correspond to? 2)In phase 2 there's another key, what does it correspond to? 3) I still can't understand what IKE and ISAKMP are in simple terms? 4) why do we say that the security parameters are negotiated between the 2 peers when we define them manually?

[@LakedaimonII]

Studying for my encor and this was very useful! Thanks!

[@hyuncheolchung3420]

great content

[@garrysabino5139]

Thanks Hank for that detailed insights!

[@HankPreston]

You are welcome!

[@TakumiSoldier]

So how did you set up the VPN tunnel?

[@erickalfredozabalasanjines6840]

Magnifique insight !

[@Zolocofxp]

Debugging VPN issues is a lot of fun!