From: Nitin Venugopal (nitinsworld@gmail.com)
Date: Sun Mar 15 2009 - 01:51:26 ART
You can ignore the Pt 2., since R3 is orginating the 200.X.X.X route
On Sun, Mar 15, 2009 at 8:44 AM, Nitin Venugopal <nitinsworld@gmail.com>wrote:
> Hi,
> 1. Why you have not set any MED on R2 ,
> 2. Why there is no not community set on R4 ?
>
> By default R4 will be recieving MED 0 from R2 and hence INCOMING traffic
> to AS 100 will prefer via R2. (Any value hIgher than 50 should have been
> set on R2 )
>
> Regds
> Nitin
>
> On Sun, Mar 15, 2009 at 8:22 AM, Deepak Ahuja <deeps.ccie@gmail.com>wrote:
>
>> Hi Bryan
>>
>> Thanks a lot for a quick reply
>>
>> Here are the configs
>>
>> R1
>>
>> router bgp 100
>> bgp router-id 9.9.1.1
>> no bgp default ipv4-unicast
>> bgp log-neighbor-changes
>> neighbor 9.9.2.2 remote-as 100
>> neighbor 9.9.2.2 update-source Loopback0
>> neighbor 9.9.13.3 remote-as 200
>> !
>> address-family ipv4
>> neighbor 9.9.2.2activate
>> neighbor 9.9.2.2 send-community
>> neighbor 9.9.2.2 next-hop-self
>> neighbor 9.9.13.3 activate
>> neighbor 9.9.13.3 send-community
>> neighbor 9.9.13.3 route-map MED out
>> no auto-summary
>> no synchronization
>> exit-address-family
>>
>> ip community-list 1 permit 200:200
>>
>> route-map MED per 10
>> match community 1
>> set metric 50
>> route-map MED per 20
>>
>> R2
>>
>> router bgp 100
>> bgp router-id 9.9.2.2
>> no bgp default ipv4-unicast
>> bgp log-neighbor-changes
>> neighbor 9.9.1.1 remote-as 100
>> neighbor 9.9.1.1 update-source Loopback0
>> neighbor 9.9.24.4 remote-as 200
>> !
>> address-family ipv4
>> neighbor 9.9.1.1activate
>> neighbor 9.9.1.1 send-community
>> neighbor 9.9.1.1 next-hop-self
>> neighbor 9.9.24.4 activate
>> neighbor 9.9.24.4 send-community
>> no auto-summary
>> no synchronization
>> exit-address-family
>>
>>
>>
>>
>> R3
>>
>> router bgp 200
>> bgp router-id 9.9.3.3
>> no bgp default ipv4-unicast
>> bgp log-neighbor-changes
>> neighbor 9.9.4.4 remote-as 200
>> neighbor 9.9.4.4 update-source Loopback0
>> neighbor 9.9.13.1 remote-as 100
>> !
>> address-family ipv4
>> neighbor 9.9.4.4 activate
>> neighbor 9.9.4.4 send-community
>> neighbor 9.9.4.4 next-hop-self
>> neighbor 9.9.13.1 activate
>> neighbor 9.9.13.1 send-community
>> network 200.200.200.1 mask 255.255.255.255 route-map COMM
>> network 200.200.201.2 mask 255.255.255.255 route-map COMM
>> no auto-summary
>> no synchronization
>> exit-address-family
>>
>> route-map COMM
>> set community 200:200
>>
>>
>> R4
>>
>> router bgp 200
>> bgp router-id 9.9.4.4
>> no bgp default ipv4-unicast
>> bgp log-neighbor-changes
>> neighbor 9.9.3.3 remote-as 200
>> neighbor 9.9.3.3 update-source Loopback0
>> neighbor 9.9.24.2 remote-as 100
>> !
>> address-family ipv4
>> neighbor 9.9.3.3 activate
>> neighbor 9.9.3.3 send-community
>> neighbor 9.9.3.3 next-hop-self
>> neighbor 9.9.24.2 activate
>> neighbor 9.9.24.2 send-community
>> no auto-summary
>> no synchronization
>> exit-address-family
>>
>> Show ip bgp on any router does not show the change in metric
>>
>>
>> Regards
>> Deepak
>>
>>
>>
>> On Sat, Mar 14, 2009 at 11:30 AM, Bryan Bartik <bbartik@ipexpert.com>
>> wrote:
>>
>> > Outbound route-map with AS-Path prepend or MED will work. Do you see the
>> > prepend values or MED values on R1 and R2? Post your configs.
>> >
>> >
>> > On Sat, Mar 14, 2009 at 11:31 AM, Deepak Ahuja <deeps.ccie@gmail.com
>> >wrote:
>> >
>> >> Hi Ryan
>> >>
>> >> I have to use a OUTBOUND route-map
>> >>
>> >> On Sat, Mar 14, 2009 at 10:18 AM, Ryan DeBerry <rdeberry@gmail.com>
>> >> wrote:
>> >>
>> >> > To manipulate outbound traffic use local pref applied inbound.
>> >> >
>> >> > On Sat, Mar 14, 2009 at 12:03 PM, Deepak Ahuja <deeps.ccie@gmail.com
>> >> >wrote:
>> >> >
>> >> >> Hi Experts
>> >> >>
>> >> >> I know this is simple for you folks but I am really stucked
>> >> >>
>> >> >> Situation
>> >> >>
>> >> >> R 1----------BGP AS 100-----------------R2
>> >> >> | |
>> >> >> | |
>> >> >> | |
>> >> >> R3--------------------BGP AS 200---------R4
>> >> >>
>> >> >>
>> >> >> I have following routes advertised to R1 and R2 from AS 200 with
>> >> >> Community
>> >> >> 200:200
>> >> >>
>> >> >> 1. 200.200.200.1/32
>> >> >> 2. 200.200.200.2/32
>> >> >>
>> >> >> Condition
>> >> >>
>> >> >> I need to make R1 as the primary gateway for these routes using an
>> >> >> outbound
>> >> >> route-map and community
>> >> >>
>> >> >>
>> >> >>
>> >> >> I tried with the AS PATH And MED it doesnt work.
>> >> >>
>> >> >>
>> >> >> Please help, any insight on that is appreciated
>> >> >>
>> >> >> Regards
>> >> >> Deepak Ahuja
>> >> >>
>> >> >>
>> >> >> Blogs and organic groups at http://www.ccie.net
>> >> >>
>> >> >>
>> _______________________________________________________________________
>> >> >> Subscription information may be found at:
>> >> >> http://www.groupstudy.com/list/CCIELab.html
>> >>
>> >>
>> >> Blogs and organic groups at http://www.ccie.net
>> >>
>> >> _______________________________________________________________________
>> >> Subscription information may be found at:
>> >> http://www.groupstudy.com/list/CCIELab.html
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >
>> >
>> > --
>> > Bryan Bartik
>> > CCIE #23707, CCNP
>> > Sr. Support Engineer - IPexpert, Inc.
>> > URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
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