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SP0010 - MPLS VPN PE-CE with BGP (Part 2)

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Average: 5 (2 votes)
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The video demonstrates configuration of BGP as PE-CE routing protocol in Cisco MPLS VPN. In addition to basic BGP configuration, we will go through more advance scenarios of dualed-home site and sites with a backdoor link, and try to understand how a Site-of-Origin (SoO) BGP attribute can be used to make inter-site traffic to always prefer the backdoor link. You will also learn two common BGP deployment options; identical and unique ASN, and the concept of AS Override. The lab finishes with verification of behavior of Local Preference in MPLS VPN.
 
Part 2 of this video goes over the use of Site-of-Origin and Local Preference attribute
 
Topic:
  • OSPF Basic Configuration
  • AS Override
  • Site-of-Origin (SoO) with Backdoor Link
  • Local Preference

About Author

Metha Cheiwanichakorn, CCIE#23585 (RS, Sec, SP), is a Cisco networking enthusiast with years of experience in the industry. He is currently working as a consulting engineer for a Cisco partner. As a founder of and an instructor at labminutes.com, Metha enjoys learning and challenges himself with new Cisco technologies.

2 comments

When SOO is configured on both sides, R1 does not advertise R7 routes received from R2 and so as R2. In this situation, R6 and R7 only see each other through the backdoor link. If the backdoor link is down, R6 and R7 can not communicate through MPLS.
We can simply lower the administrator Distance of EIGRP and change the location of SOO to avoid loop.
Any opinion?

Excelente muy buen laboratorio