It was a basic frame-relay lab and the other was adding IPSec VPN to the lab. it gave some great details and outlined the configuration - step by step. I compiled the lab for GNS3 specifically.
Routers Used: 3640
Routers Used: 3640 IOS: c3640-jk9s-mz.124-16a
Feature of Topology: Frame-Relay, IPSec, ISAKMP, VPN, EIGRP
Download: Basic Frame Relay-Basic IPSec Lab
