Cisco Routing Issue
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05-09-2014 11:03 AM - edited 03-04-2019 10:57 PM
We have a network in which our core router is at a main facility using a third party MPLS network and routes are populated using BGP. Core Router Cisco 3925 is connected to ISP on Gig0/1 and then to third party MPLS on Gig0/2. I am routing some subnets to all those locations which share this ISP internet:
ip route 0.0.0.0 0.0.0.0 ISP interface
ip route public /25 subnet A to next hope MPLS Provider
ip route private /16 subnet B to next hope MPLS Provider
x.x.x.1/30 is to connect to MPLS provider on VLAN 649.
Above setup is working fine but....
There is another router at a remote site where our config is as under on a cisco 2811:
Interface to MPLS provider FE0/0.650:
VLAN 650 with a /30 subnet
Interface to Host Network:
Primary subnet is /27 of public /25 subnet A
Secondary subnet /24 of private /16 Subnet B
on FE 0/1 I have a public IP address of x.x.x.3/27
What would be the requirements for routes in order to access host network from outside the network.
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09-15-2014 02:15 AM
On the FE 0/1 you must configure ip nat outside
On the FE 0/0 you must configure ip nat inside
in the global configuration you must configure ip nat inside source static ip_internal ip_external
