Comments on: Two routing protocols, Same administrative distance? http://bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/ Studies in Data Center Networking, Virtualization, Computing Thu, 29 Jul 2010 06:32:26 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: mostafa ahdy http://bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/comment-page-1/#comment-454 mostafa ahdy Mon, 01 Jun 2009 13:38:00 +0000 http://www.bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/#comment-454 really, this is very confusing question,and i was thinking about an answer to it until my brain become like a platter of egg. so, thank you, Brad Hedlund about your information. And this site will be in my favorites. really, this is very confusing question,and i was thinking about an answer to it until my brain become like a platter of egg.
so, thank you, Brad Hedlund about your information.
And this site will be in my favorites.

]]> By: Brad Hedlund http://bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/comment-page-1/#comment-416 Brad Hedlund Tue, 14 Apr 2009 21:40:38 +0000 http://www.bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/#comment-416 Smitha, In your case both routes will be installed as they are different, not identical. Once both routes are installed in the routing table, traffic destined to 130.10.10.1 will use the RIP route as it provides the more precise match. Smitha,
In your case both routes will be installed as they are different, not identical. Once both routes are installed in the routing table, traffic destined to 130.10.10.1 will use the RIP route as it provides the more precise match.

]]> By: Smitha http://bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/comment-page-1/#comment-415 Smitha Tue, 14 Apr 2009 18:58:11 +0000 http://www.bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/#comment-415 Hi Brad, This article was a great one but I still have a question, If we have routes to destination 130.10.10.1 getting advertised as 1]130.10.0.0 by IGRP 2]130.10.10.0 by RIP which one will be installed ? will it install IGRP as its AD is lower or RIP as it is more precise. What is the order(AD and precision) that the router will look for ? Regards, Smitha Hi Brad,
This article was a great one but I still have a question,

If we have routes to destination 130.10.10.1 getting advertised
as
1]130.10.0.0 by IGRP
2]130.10.10.0 by RIP

which one will be installed ? will it install IGRP as its AD is lower or RIP as it is more precise.
What is the order(AD and precision) that the router will look for ?

Regards,
Smitha

]]> By: Thameem M Parambath CISSP CISA http://bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/comment-page-1/#comment-402 Thameem M Parambath CISSP CISA Fri, 03 Apr 2009 06:14:57 +0000 http://www.bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/#comment-402 Good one,, Regards Good one,,

Regards

]]> By: Dara http://bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/comment-page-1/#comment-6 Dara Thu, 13 Mar 2008 18:29:09 +0000 http://www.bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/#comment-6 A very good practice, This blog is surely a great idea to share the knowledge wealth that the Author has, a nice idea to improve the overall knowledge of all the Engineers. Thanks a lot for the contribution, Good Luck A very good practice,

This blog is surely a great idea to share the knowledge wealth that the Author has, a nice idea to improve the overall knowledge of all the Engineers.

Thanks a lot for the contribution,
Good Luck

]]> By: Brad Hedlund http://bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/comment-page-1/#comment-5 Brad Hedlund Fri, 07 Mar 2008 05:06:48 +0000 http://www.bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/#comment-5 So if the same routing protocol has two or more equal cost routes, each route will be installed in the routing table and load balanced. Static routes can be considered a routing protocol in this context. Therefore two static routes with the same AD will result in both static routes being installed in the routing table and the router will perform equal cost load balancing. The point of this article was to address what happens if two different routing protocols have the same route with the same administrative distance. The router will never install a similar route from two different routing protocols. Thanks for the question. So if the same routing protocol has two or more equal cost routes, each route will be installed in the routing table and load balanced. Static routes can be considered a routing protocol in this context. Therefore two static routes with the same AD will result in both static routes being installed in the routing table and the router will perform equal cost load balancing.

The point of this article was to address what happens if two different routing protocols have the same route with the same administrative distance. The router will never install a similar route from two different routing protocols.

Thanks for the question.

]]> By: Stas http://bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/comment-page-1/#comment-4 Stas Thu, 28 Feb 2008 12:26:22 +0000 http://www.bradhedlund.com/2007/12/31/two-routing-protocols-same-administrative-distance/#comment-4 And what if I configure two identical static routes with the same metric and AD? Which of the routes will be used? And what if I configure two identical static routes with the same metric and AD? Which of the routes will be used?

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