Creating an MPLS VPN

Create and Assign VRFs


This example has really helped me understand the concept even further. Although plenty of CLI outputs are shown below, you may want to grab the finished router configurations if you'd like to duplicate the lab on your own. Matt guest March 20, at Uplink Preferences Some users prefer to send Internet-bound traffic out the secondary Internet connection at the branch location. Elvizo guest July 21, at 6: Thank you so much.

Basic MPLS/VPN with Cisco IOS


VPN is some mechanism to wrap your data inside a transmission between A and B. Thanks conwyn and sandeep! Its kinda cleared now. When you say internet is collection of joined leased lines. Is it collection of all leased lines all over the world? How is this joining of leased lines done? Considering the fact that leased lines are owned by a company. The leased lines are often owned by telephone companies but they will contract out to other organisations.

Generally their are Tiers. Only Tier 1 can connect to the real Internet. See the Wiki entry. Other Tier 2 Internet providers connect to Tier 1. Please enter a title. You can not post a blank message. Some users prefer to send Internet-bound traffic out the secondary Internet connection at the branch location. The MX will route the traffic according the most specific route.

Since the VPN routes are more specific than the route of 0. This can happen automatically since the MX harnesses the information that the Cloud knows about the devices. Click to Learn More. You can find out more about Cisco Meraki on our main site, including information on products, contacting sales and finding a vendor. Most questions can be answered by reviewing our documentation, but if you need more help, Cisco Meraki Support is ready to work with you.

In the Meraki Community, you can keep track of the latest announcements, find answers provided by fellow Meraki users and ask questions of your own. Sign in Forgot Password. Dashboard Support Contact Sales. General Network Design and Considerations There are a few high level concepts to mention before getting into the details of network design: With this in mind, the MPLS routers at the branch locations must have a route for Internet bound traffic.

VPN between the two sites resolves this issue. HQ client computer You need a static route pointing all Remote networks to the MX Concentrator.

Uplink Preferences Some users prefer to send Internet-bound traffic out the secondary Internet connection at the branch location.

Detailing the Flow of VPN Traffic

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Within a VPN, each site can send IP packets to any other site in the same VPN. Each VPN is associated with one or more VPN routing or forwarding instances (VRFs). A VRF consists of an IP routing table, a derived Cisco express forwarding (CEF) table, and a set of interfaces that use this forwarding table. MPLS: Layer 3 VPNs Configuration Guide, Cisco IOS Release 15M&T -Multiprotocol BGP MPLS VPN. MX's need to form a VPN over the MPLS connection because unsolicited inbound traffic is dropped. VPN between the two sites resolves this issue. If the MPLS fails, the Branch MX will switch to its secondary Internet connection .