... ipv4:1 35. 25. 2.1!interface Loopback0 ip address 1 35. 25. 3.1 255 . 255 . 255 . 255 !interface Serial0/0 ip address 1 35. 25. 9.2 255 . 255 . 255 . 252 !router ospf 64 network 1 35. 25. 0.0 0.0. 255 . 255 area 0!no ... 1!interface Loopback0 ip address 1 35. 2.12.1 255 . 255 . 255 .0!interface Ethernet0/0 ip address 1 35. 2. 15. 85 255 . 255 . 255 . 252 bridge−group 1!interface Serial0/0 ip address 1 35. 2. 15. 35 255 . 255 . 255 .224 ... Loopback0 ip address 1 35. 25. 2.1 255 . 255 . 255 . 255 !interface Serial0/0 ip address 1 35. 25. 9.1 255 . 255 . 255 . 252 817Once established, the security association (SA) is then applied to all traffic that...