CCNA Security Lab A: Configuring a Site-to-Site VPN Using Cisco IOS and SDM Topology IP Addressing Table Device Interface          IP Address Subnet Mask Default Gateway Switch Port R1 FA0/1                  192.168.1.1 255.255.255.0 N/A S1 FA0/5 S0/0/0 (DCE)      10.1.1.1 255.255.255.252 N/A N/A R2 S0/0/0 … [Read more...]