Implementing a Multiple ISP Configuration Using VRFs & MP-BGP | Just Another Design to Consider

Implementing a Multiple ISP Configuration Using VRFs & MP-BGP | Just Another Design to Consider

Channel:
United States Robert Mayer
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6,570
Published on ● Video Link: https://www.youtube.com/watch?v=xvj7Mw8HqW0


Duration: 39:48
1,240 views
19

There are a few different ways you can implement provider redundancy in your network. You could terminate all ISPs into a single router using traditional ip sla + track. You could terminate the ISP connections on different routers, or even have a router per ISP - a 1:1 ISP to router ratio. The last method would most likely become cumbersome though if you grew beyond dual ISPs.

My personal favorite is to split the provider connections between 2 routers. If you only have 1 ISP per router, this video may not be for you; if you end up with more than one ISP on a single router, you might find this helpful. Let me know what you think in the comment section below!

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Timeline:
0:00 - Introduction
0:42 - Topology Overview
2:52 - Configuration Objectives
3:55 - VRF and Interface Configuration
12:02 - MP-BGP Configuration/Route Leaking
19:29 - IP SLA, Track and Default Route Overview/Configuration
34:16 - NAT Configuration
36:42 - Testing



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Tags:
Cisco
BGP
MP-BGP
VRFs
VRF-Lite
Multiprotocol BGP
Redundant ISPs
Multiple ISPs
Dual ISPs
Route Leaking
Route Distinguisher
Route Target