Cisco IPSec VPN with Dynamic Global IP(PPPoE) using Virtual-Template Configuration

Cisco IPSec VPN with Dynamic Global IP(PPPoE) using Virtual-Template Configuration

• Topology
  
  
  
• Configuration Settings Overview
  
  
  1. Static/Dynamic IP
     HUB - Static Global IP
     SPOKE1 - Dynamic Global IP
     SPOKE2 - Dynamic Global IP (Behind NAPT)
     
     
  2. IPSec Interface
     HUB Virtual-Template 1 - SPOKE1 Tunnel0
     HUB Virtual-Template 2 - SPOKE2 Tunnel0
     
     
  3. OSPF Eanble Interface
     HUB - Virtual-Template 1, Virtual-Template 2, E1/1
     SPOKE1 - Tunnel0, E1/1
     SPOKE2 - Tunnel0, E1/1
     
  
  
• Dynagen Config File / Router Config

  1. Dynagen .net file
  
  2. R1
  
  3. R2
  
  4. R3
  
  5. R4
  
  6. R5
  

• show command

  HUB(R1) :
    ping 192.168.1.1
    sh crypto isakmp sa
    sh crypto engine connections active
    sh ip int brief
    sh ip route
  SPOKE1(R2) :
    sh ip route
  SPOKE2(R3) :
    sh ip route
  
  1. HUB
  
  2. SPOKE1
  
  3. SPOKE2