

A completion notice will promt, we now need to adjust GNS3 Server partition table.Ġ6. Enter your desired disk space capacity then click expand.Ġ5. Select Hardware > Hard Disk > Utilities > ExpandĠ4. Load GNS3 ova file in VMware Workstation.Ġ3. GNS3 Server only allocated 2Gb of HDD space, we can increase this by using VMWare Workstation and Gparted to save more IOU and IOS images on the server.Ġ1. +++END OF GRE-Junifer Configuration+++ VALIDATION: Set interfaces gre unit 1 family inet mtu 1400 ! Set Maximum Transmission Unit for tunnel 0 Set interfaces gre unit 1 family inet address 10.1.1.1/24 Set interfaces gre unit 1 tunnel source 1.1.1.2 destination 3.3.3.2 Set routing-options static route 0.0.0.0/0 next-hop 1.1.1.1 Set interfaces em0 unit 0 family inet address 1.1.1.2/30 +++END OF CONFIG FOR GRE-Cisco GRE-Juniper Configuration ! Configure Tunnel0 to be used as Generic Route Encapsulation Tunnel +++END OF CONFIG FOR ISP2+++ GRE-Cisco Configuration Neighbor 2.2.2.1 soft-reconfiguration inbound ! Configure OSPF as Interior Gateway Protocol to allow communication between fa0/0 to fa0/1.

! Enter Privilege and Global Configuration Mode

+++END OF CONFIG FOR ISP1+++ ISP2 Configuration Neighbor 2.2.2.2 soft-reconfiguration inbound ! Configure BGP as Exterior Gateway Protocol to allow communication between ISP. ! Configure EIGP as Interior Gateway Protocol to allow communication between fa0/0 to fa0/1. !Enter Privilege and Global Configuration Mode Virtual Box running JUNOS 12.1R1.9 (Olive)Ĭisco įirst we have to configure ISP devices to simulate WAN connectivity across the sites. How to configure GRE tunnel between Juniper and Cisco.
