The Journey of a Network Engineer:

route


November 10, 2011  7:35 PM

How to add reliable default route with RIP?



Posted by: Sulaiman Syed
CCIE, Cisco, how, monitor, reliable, RIP, route, router, static, to, track

Adding reliable default route with RIP The command for distributing a default route into RIP process is very straight forward.  Lets go with the syntax straight away.

router rip default-information originate route-map RELIABLE ! route-map...

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...


October 10, 2011  2:36 AM

How to change the Administrative Distance when redistributing?



Posted by: Sulaiman Syed
AD, administrative, CCIE, change, Cisco, distance, EIGRP, how, redistributing, RIP, route, router, switch, to

So, lets talk about how can we change the cost while distribution between routing protocols. Distribution between two routing domains should be done very carfully. It is easy when the there is single distribution router between the two domains. Things get slightly...


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 16, 2010  4:46 AM

How to manipulate BGP Routes – part 2



Posted by: Sulaiman Syed
CCNP, Cisco, filter-list, map, regex, route, router

As discussed earlier, BPG mainly uses 4 variations to manipulate the routes

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


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 /...


December 7, 2010  2:59 AM

How to use IP Prefix List?



Posted by: Sulaiman Syed
access, CCNP, Cisco, ip, list, map, network, route, subnet

IP prefix list mostly used with route filtering in IGP (OSPF, IS-IS, EIGRP) and EGP (BGP) protocols. At first sight, the command will look confusing, but it is pretty simple and straight forward. Prefix list can be used with route map, and they would be referred...


December 3, 2010  2:10 AM

How BGP selects the best route?



Posted by: Sulaiman Syed
Attribute, CCNP, Cisco, eBGP, iBGP, NEXT_HOP, Path, route, router, routing, weight

Since, i started studying for CCIE, i would start writing technical topics that are either difficult or interesting, and present them in easy way. BGP is one of the most interesting routing protocols out there. The interesting part lies in the way routes can be manipulated. There are many Path...


October 7, 2010  8:53 AM

Cisco Certified Design Professional



Posted by: Sulaiman Syed
CCDP, CCNP, Certified, Cisco, ciscopress, design, professional, route, switch

CCDP or Cisco Certified Design Professional is one of the best certificates for any engineer working in middle to large enterprise. CCDP requires the candidate to pass Route,


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