Security (III.5): IPSec - Das war's

Ping an die VPN-Gegenstelle:
  michael@mobi:~/Dokumente/UUGRN> sudo tcpdump -qnli gif0
  15:25:57.561175 IP 192.168.44.3 > 192.168.44.1: icmp 64: echo request seq 0
  15:25:58.571142 IP 192.168.44.3 > 192.168.44.1: icmp 64: echo request seq 1
  15:25:58.574448 IP 192.168.44.1 > 192.168.44.3: icmp 64: echo reply seq 1

Gleichzeitig am physikalischen Device:
  michael@mobi:~> sudo tcpdump -qnli ath0 
  15:25:57.594095 IP 192.168.43.3.500 > 192.168.43.1.500: UDP, length: 255
  15:25:57.704852 IP 192.168.43.1.500 > 192.168.43.3.500: UDP, length: 299
  15:25:57.746161 IP 192.168.43.1.500 > 192.168.43.3.500: UDP, length: 299
  15:25:57.768622 IP 192.168.43.3.500 > 192.168.43.1.500: UDP, length: 52
  15:25:57.770164 IP 192.168.43.3.500 > 192.168.43.1.500: UDP, length: 52
  15:25:58.031909 IP 192.168.43.3.500 > 192.168.43.1.500: UDP, length: 252
  15:25:58.062178 IP 192.168.43.1.500 > 192.168.43.3.500: UDP, length: 252
  15:25:58.073890 IP 192.168.43.3.500 > 192.168.43.1.500: UDP, length: 60
  15:25:58.150666 IP 192.168.43.1.500 > 192.168.43.3.500: UDP, length: 252
  15:25:58.151639 IP 192.168.43.3.500 > 192.168.43.1.500: UDP, length: 60
  15:25:58.571250 IP 192.168.43.3 > 192.168.43.1: ESP(spi=0x0c0e1c29,seq=0x1)
  15:25:58.574345 IP 192.168.43.1 > 192.168.43.3: ESP(spi=0x0379012a,seq=0x1)

Defaultroute auf VPN-Gegenstelle setzen.