Tag: attributes
BGP Attribute Router ID
Scenario: You are one of the trainees at a fairly small ISP. Your boss is on vacation and all colleagues are out of the office troubleshooting problems at customers. You receive a phonecall of one of the network…
Read More »BGP Attribute AS Path Ignore
Scenario: You are responsible for a International network. All routers are connected through BGP. One of the network administrators in NewDelhi configure AS Path prepending for their AS so Paris will send all traffic through Sydney. You heard…
Read More »BGP Attribute MED
Scenario: The biggest ISP in the carribean needs your help with BGP. One of the junior BGP network engineers configured some new sites but has trouble influencing traffic patterns. Show him how to configure BGP MED and you’ll…
Read More »BGP Attribute AS Path
Scenario: A local steelmill has asked you to help them with their BGP network. The steelmill has two sites and routing information is used by using BGP. Everything is working fine except the backup link is being used…
Read More »BGP Transit AS
Scenario: Tillywood is one of the major movie studios located in Tilburg, The Netherlands. You are working there as a junior network engineer and assigned at the BGP team. One of the trainees has configured part of the…
Read More »BGP Attribute Origin
Scenario: You are a gunslinger living in Arizona and also a network engineer for the town network. To make sure your town has connectivity with other towns you have configured the town router with BGP. Another town is…
Read More »BGP Attribute Local Preference
Scenario: You work as a network engineer for a laboratium in San Francisco which is specialized in genetic engineering. To exchange research information with other laboratoria and universities you have built a network using BGP. At this moment…
Read More »BGP Attribute Weight
Scenario: You wake up in what seems to be a server room…trapped in a chair and tied up by what seems to be networking cabling. In front of you is a LED screen showing you a lady in…
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