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BGP lab test problems

Posted on 2008-06-25
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Last Modified: 2012-05-05
Hello,

Is there anyone who could take a look on my lab test ? and explain me what wrong I did.
I`ll try to not post the router-configs here because it is more easy when you see the diagram drawing at the same time. So I`ll post the link here below, in hope that someone will take a couple min and look trough the configurations and the diagram.

http://internetconfig.net

Username: internetconfig
Password: ee4560

Thank You
Best regards

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Question by:Shex_
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17 Comments
 
LVL 11

Expert Comment

by:donmanrobb
ID: 21870213
I'll have a look at it
0
 

Author Comment

by:Shex_
ID: 21870314
Thank you very much !!

I am here...
0
 
LVL 11

Expert Comment

by:donmanrobb
ID: 21870358
In the configs you provided, R0 doesn't have any bgp configuration yet has bgp routes in the routing table, are these the full configs?
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Author Comment

by:Shex_
ID: 21870389
sorry, let me check it dude, maybe I posted "older config" 2 sek......
0
 

Author Comment

by:Shex_
ID: 21870398
sorry, i see it, I forgot to post latest config for R0, log on to again and refresh the page, than click on the R0 again, and You`ll see the BGP.
0
 
LVL 11

Expert Comment

by:donmanrobb
ID: 21870416
Thats better :)
0
 

Author Comment

by:Shex_
ID: 21870422
in the config, the OSPF should "redistribute" all connected subnets, therfore I can`t understand the problem...
0
 

Author Comment

by:Shex_
ID: 21870502
You can now reach me on "online chat" instead of writing here is You should have any questions, so You don`t need to wait....
0
 

Author Comment

by:Shex_
ID: 21870504
just refresh either index or login page
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LVL 11

Accepted Solution

by:
donmanrobb earned 2000 total points
ID: 21870510
Well the problem with the redistribute connected with BGP is that BGP's network commands unlike other protocols do not run the protocol on the interface, the router pretty much just checks to see if it knows how to get to the network and advertises. So when you redistribute connected hoping to catch the BGP routes it doesn't match everything. Your better off doing a

router ospf 1
redistribute bgp x subnets on both sides
0
 

Author Comment

by:Shex_
ID: 21870542
but this is not a normal case to do it on that way is it ??
0
 

Author Comment

by:Shex_
ID: 21870609
well I did it now, but the routing table looks the same.... and I am still not able to reach other routers as described on the web page.

I was only able to do the command:

R0_2691_SW(config-router)#redistribute bgp 1
% Only classful networks will be redistributed

on the R0 and R5 (bgp) routers
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LVL 11

Expert Comment

by:donmanrobb
ID: 21870612
Normally you would want to redistribute protocol to protocol
0
 
LVL 11

Expert Comment

by:donmanrobb
ID: 21870638
It wouldn't let you enter the subnet options?
0
 

Author Comment

by:Shex_
ID: 21870660
no, there is no option for subnets :

R0_2691_SW(config-router)#redistribute bgp ?
  <1-65535>  Autonomous system number

I can only use the AS number...
0
 
LVL 11

Expert Comment

by:donmanrobb
ID: 21870666
Should be after the AS
--
2611XM(config-router)#redistribute bgp 1 ?
  metric       Metric for redistributed routes
  metric-type  OSPF/IS-IS exterior metric type for redistributed routes
  route-map    Route map reference
  subnets      Consider subnets for redistribution into OSPF
  tag          Set tag for routes redistributed into OSPF
0
 

Author Comment

by:Shex_
ID: 21870679
well, now I did it, I entered the command on both routers R0 and R5 (bgp routers)

R0_2691_SW(config-router)#redistribute bgp 1 subnets
R0_2691_SW(config-router)#

R5_2691_SW(config-router)#redistribute bgp 2 subnets
R5_2691_SW(config-router)#

so now I see the "sh ip route" displays all networks on all routers.... it is working now !!


Thank You very much for helping dude !!

I understand it now.

Best regards
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