Re: IEWB 4.1 Lab1 BGP route-reflector-client

Rianto,

Route reflector only reflects best routes to clients. First check, if
next-hop 54.1.1.254 is reachable from R3.
i.e sh ip route 54.1.1.254

Lejoe

On Thu, Aug 6, 2009 at 11:29 AM, Rianto Pratikno
<rpratikno.cisco_at_gmail.com>wrote:

> Hi guys,
>
> I just started my lab journey, I'm sorry if I ask any questions that has
> been asked before.
>
> I'm doing IEWB 4.1 vol 2 Lab 1 BGP section using dynamips. Although it's
> not
> on the task but I have a question about the route-reflector-client
> configuration to clarify my knowledge.
>
> From the topology requirement, R5 is the Route Reflector for R3, R4, R6 for
> AS 100. R3 & R6 are connected to AS 54. The task mainly to configure local
> preference to advertise from R6 & BB3 link. The question is, why I can't
> see
> the route advertised from R6 with local preference 200 at R4? Is this my
> miss configuration or it is how the Route Reflector work? Or is this due to
> I'm using dynamips?
>
> Thank you very much for all comments in advance. Any comment is much
> appreciated.
>
> Cheers,
> rpratikno
>
> BB1 -- R3 --- R5 -- R6 -- BB3
> |
> R4
>
> Rack1R3#sh run | begin bgp
> router bgp 100
> no synchronization
> bgp router-id 150.1.3.3
> bgp log-neighbor-changes
> neighbor 183.1.0.5 remote-as 100
> neighbor 183.1.123.2 remote-as 200
> neighbor 204.12.1.254 remote-as 54
> no auto-summary
>
> Rack1R4#sh run | begin bgp
> router bgp 100
> no synchronization
> bgp router-id 150.1.4.4
> bgp log-neighbor-changes
> neighbor 150.1.5.5 remote-as 100
> neighbor 150.1.5.5 update-source Loopback0
> no auto-summary
>
> Rack1R5#sh run | begin bgp
> router bgp 100
> no synchronization
> bgp router-id 150.1.5.5
> bgp log-neighbor-changes
> neighbor 150.1.4.4 remote-as 100
> neighbor 150.1.4.4 update-source Loopback0
> neighbor 150.1.4.4 route-reflector-client
> neighbor 150.1.6.6 remote-as 100
> neighbor 150.1.6.6 update-source Loopback0
> neighbor 150.1.6.6 route-reflector-client
> neighbor 183.1.0.3 remote-as 100
> neighbor 183.1.0.3 route-reflector-client
> neighbor 183.1.0.3 next-hop-self
> neighbor 183.1.105.10 remote-as 200
> no auto-summary
>
> Rack1R6#sh run | begin bgp
> router bgp 100
> no synchronization
> bgp router-id 150.1.6.6
> bgp log-neighbor-changes
> neighbor 54.1.1.254 remote-as 54
> neighbor 54.1.1.254 route-map AS-54 in
> neighbor 150.1.5.5 remote-as 100
> neighbor 150.1.5.5 update-source Loopback0
> no auto-summary
> !
> ip as-path access-list 54 permit _54$
> !
> !
> route-map CONNECTED_VLAN6 permit 10
> match interface Ethernet0/1
> !
> route-map AS-54 permit 10
> match as-path 54
> set local-preference 200
> !
> route-map AS-54 permit 1000
>
>
>
> Rack1R6#sh ip bgp
> BGP table version is 16, local router ID is 150.1.6.6
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal,
> r RIB-failure, S Stale
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> *> 28.119.16.0/24 54.1.1.254 200 0 54 i
> * i 204.12.1.254 0 100 0 54 i
> *> 28.119.17.0/24 54.1.1.254 200 0 54 i
> * i 204.12.1.254 0 100 0 54 i
> * i112.0.0.0 204.12.1.254 0 100 0 54 50 60 i
> *> 54.1.1.254 0 0 54 50 60 i
> * i113.0.0.0 204.12.1.254 0 100 0 54 50 60 i
> *> 54.1.1.254 0 0 54 50 60 i
> * i114.0.0.0 204.12.1.254 0 100 0 54 i
> *> 54.1.1.254 0 200 0 54 i
> * i115.0.0.0 204.12.1.254 0 100 0 54 i
> *> 54.1.1.254 0 200 0 54 i
> * i116.0.0.0 204.12.1.254 0 100 0 54 i
> *> 54.1.1.254 0 200 0 54 i
> * i117.0.0.0 204.12.1.254 0 100 0 54 i
> *> 54.1.1.254 0 200 0 54 i
> * i118.0.0.0 204.12.1.254 0 100 0 54 i
> *> 54.1.1.254 0 200 0 54 i
> * i119.0.0.0 204.12.1.254 0 100 0 54 i
> *> 54.1.1.254 0 200 0 54 i
> *>i205.90.31.0 183.1.105.10 0 100 0 200 254 ?
> *>i220.20.3.0 183.1.105.10 0 100 0 200 254 ?
> *>i222.22.2.0 183.1.105.10 0 100 0 200 254 ?
>
> Rack1R5#sh ip bgp
> BGP table version is 14, local router ID is 150.1.5.5
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal,
> r RIB-failure, S Stale
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> * i28.119.16.0/24 54.1.1.254 0 200 0 54 i
> *>i 204.12.1.254 0 100 0 54 i
> * i28.119.17.0/24 54.1.1.254 0 200 0 54 i
> *>i 204.12.1.254 0 100 0 54 i
> *>i112.0.0.0 204.12.1.254 0 100 0 54 50 60 i
> * i 54.1.1.254 0 100 0 54 50 60 i
> *>i113.0.0.0 204.12.1.254 0 100 0 54 50 60 i
> * i 54.1.1.254 0 100 0 54 50 60 i
> *>i114.0.0.0 204.12.1.254 0 100 0 54 i
> * i 54.1.1.254 0 200 0 54 i
> *>i115.0.0.0 204.12.1.254 0 100 0 54 i
> * i 54.1.1.254 0 200 0 54 i
> *>i116.0.0.0 204.12.1.254 0 100 0 54 i
> * i 54.1.1.254 0 200 0 54 i
> *>i117.0.0.0 204.12.1.254 0 100 0 54 i
> * i 54.1.1.254 0 200 0 54 i
> *>i118.0.0.0 204.12.1.254 0 100 0 54 i
> * i 54.1.1.254 0 200 0 54 i
> *>i119.0.0.0 204.12.1.254 0 100 0 54 i
> * i 54.1.1.254 0 200 0 54 i
> * i205.90.31.0 183.1.123.2 0 100 0 200 254 ?
> *> 183.1.105.10 0 200 254 ?
> * i220.20.3.0 183.1.123.2 0 100 0 200 254 ?
> *> 183.1.105.10 0 200 254 ?
> * i222.22.2.0 183.1.123.2 0 100 0 200 254 ?
> *> 183.1.105.10 0 200 254 ?
>
>
> Rack1R4#sh ip bgp
> BGP table version is 20, local router ID is 150.1.4.4
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal,
> r RIB-failure, S Stale
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> *>i28.119.16.0/24 204.12.1.254 0 100 0 54 i
> *>i28.119.17.0/24 204.12.1.254 0 100 0 54 i
> *>i112.0.0.0 204.12.1.254 0 100 0 54 50 60 i
> *>i113.0.0.0 204.12.1.254 0 100 0 54 50 60 i
> *>i114.0.0.0 204.12.1.254 0 100 0 54 i
> *>i115.0.0.0 204.12.1.254 0 100 0 54 i
> *>i116.0.0.0 204.12.1.254 0 100 0 54 i
> *>i117.0.0.0 204.12.1.254 0 100 0 54 i
> *>i118.0.0.0 204.12.1.254 0 100 0 54 i
> *>i119.0.0.0 204.12.1.254 0 100 0 54 i
> *>i205.90.31.0 183.1.105.10 0 100 0 200 254 ?
> *>i220.20.3.0 183.1.105.10 0 100 0 200 254 ?
> *>i222.22.2.0 183.1.105.10 0 100 0 200 254 ?
>
>
> 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
Received on Thu Aug 06 2009 - 11:45:35 ART