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IPSec over GRE Tunnel

Cisco Ipsec over Gre Tunnel Configuration Example: Main – Branch Point to point connection w/LAN on opposite side: Main Router Config: Main#sh run Building configuration… Current configuration : 1866 bytes ! version 12.4 service timestamps debug datetime msec service timestamps

Posted in Networking, OSPF

Simple OSPF Tutorial

Simple OSPF Tutorial: In this lab I will show how to build a Single Area OSPF network on Cisco routers by using GNS3. The topology will consist of 3 3700 routers and one ethernet switch. Below the topology is displayed.  Configurations:

Posted in OSPF