The Journey of a Network Engineer:

prefix-list

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November 7, 2011  4:35 AM

How to filter routes in RIP?



Posted by: Sulaiman Syed
CCIE, Cisco, distribute-list, how, loop, prefix-list, RIP, route, router, to

Filtering routes in RIP Although rip is not the best routing protocols, the mechanism of filtering routes can be applied to other routing protocols a well. My personal advice will be to stay away as much as possible from RIP. RIP is a routing loop magnet, you never know when you...

July 3, 2011  2:39 AM

How to manipulate BGP Routes



Posted by: Sulaiman Syed
Cisco, distribute-list, filter-list, Internet, PA, prefix-list, route, route-map, router

Border Gateway Protocol (BGP) is the back bone protocol that connects the internet. It falls under the External Gateway Protocols (EGP), interestingly it is the only routing protocols used in the external networks. BGP is a robust protocol that can handle 100k routes, which are increasing....


December 19, 2010  3:46 AM

How to manipulate BGP Routes – part 3



Posted by: Sulaiman Syed
access-list, Cisco, distribute-list, filter-list, manipulate, prefix-list, route, route-map, weight

This is the last part of BGP route manipulation. As discussed in the earlier entries, routes can be manipulated by

  • neighbor distribute-list (standard ACL / extended ACL)
  • neighbor prefix-list
  • neighbor...


December 12, 2010  1:19 AM

How to manipulate BGP Routes – part 1



Posted by: Sulaiman Syed
ACL, Cisco, distribute-list, manipulate, map, PA, prefix-list, route, router

After knowing how BGP select the best route for the routing update, using the BGP PAs. The next step would be to manipulate these PAs to give the desired route for NLRI BPG mainly uses 4 variations to manipulate the routes:

  • neighbor distribute-list (standard ACL /...


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