Section 5.0: IPSec/GRE Configuration (10 points)
5.1. IPSec (5 points)
5.1.1. IPSec LAN-to-LAN Using Preshared (2 points)
Encrypt IDS traffic between PIX and R4 in Section 6.2.1. Use a preshared key and SHA for message authentication and DES for encryption. Configure all other parameters as you feel appropriate.
5.1.2. Advanced IPSec LAN-to-LAN (3 points)
Configure IPSec to encrypt GRE traffic between R6 and R3 in Section 5.2.
Use preshared keys. Configure all other parameters as you feel appropriate.
If there is a loss of connectivity between two IPSec peers, terminate the sessions.
You are allowed to put one static route but not a default route on the PIX to achieve this task.
5.2. GRE (5 points)
Configure GRE through PIX; R6 should see all loopbacks ...