[bdNOG] {Disarmed} Re: Redistributed static routes of different ADs through EIGRP

Fakrul Alam fakrul at bdhub.com
Mon Dec 23 15:50:30 BDT 2013


Hi Rakib,

How about doing static route with different AD value and IP SLA for auto
redundancy.

--
Pappu

On 12/23/13, 3:32 PM, Mirza Rakib wrote:
> Hi Ronjue Vai,
> 
> Actually i want to make a redundancy(active/standby) between to WAN. Say
> WAN A is running EIGRP AS 100 and WAN B is running AS 200. We do not
> want to integrate the WAN A and WAN B using any dynamic protocol. Right
> now, we have one interface between two WAN with static route. We want to
> implement another interface also with static route. Note that we do not
> want active/active. We need active/standby solution without any dynamic
> routing.
> 
> 
> Regards,
> Mirza Rakib   
> 
> 
> On Mon, Dec 23, 2013 at 3:02 PM, Ronjue Ahmed <ronjue_kuet at yahoo.com
> <mailto:ronjue_kuet at yahoo.com>> wrote:
> 
>     Hello dear concern 
>     Please be informed that, EIGRP has the ability to differentiate
>     routes coming from different sources (other routing protocol like
>     ospf, rip, bgp and even static).
>     EIGRP has two type of routes,
>      1. internal route (AD value 90),
>      2. External route (AD value 170).
>     So, when ever we try to redistribute any route into eigrp, eigrp
>     consider it as external route and assign AD vale 170 and advertise
>     it to other eigrp neighbors. As long as you will try to redistribute
>     static route through EIGRP, you will find the AD value 170 for those
>     routes. 
> 
>     Advertise routes through same protocol having different AD values
>     does not make any sense. Basically one routing protocol one AD value.
>     For choosing best route that comes from same protocol, the key
>     parameter is metric. 
> 
>     Thanks.
>     F.M. Ronjue Ahmed
> 
> 
> 
>     On Monday, December 23, 2013 2:24 PM, Mirza Rakib <mmrakib at gmail.com
>     <mailto:mmrakib at gmail.com>> wrote:
>     Hi Fellow,
>     I am trying to redistribute static route with different
>     administrative distance(AD). For example at Route1 I have configure
>     a static route with default  AD and in another Router2 configured a
>     static route with AD 20. We want to redistribute the static routes
>     through EIGRP, so that a remote router learn the two routes with
>     different Ads. However, we found the default EIGRP static
>     redistributed AD 170.
>      
>     _Router1:_
>      
>     ip route static 10.0.0.0 255.0.0.0 172.16.250.254  
>      
>     _Router2:_
>      
>     ip route static 10.0.0.0 255.0.0.0 172.16.250.250 20
>      
>     _At access router I found: _
>      
>     D EX *MailScanner warning: numerical links are often malicious:*
>     10.0.0.0/8 <http://10.0.0.0/8> [170/3072] via 172.31.2.2, 00:59:48,
>     GigabitEthernet2/0
>                               [170/3072] via 172.31.1.2, 00:59:48,
>     GigabitEthernet1/0
>      
>      
>     Please suggest, how can we obtained the redistributed static routes
>     with different ADs.  
> 
> 
>     Mirza Rakib
> 
> 
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> 
> 
> 
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