Hi,

  ICMP redirect might cause it.

  However, do a sh ip cef exact-route, and make sure as Doug said you don't 
have a more specific route to 11.1.1.1 (learned from any IGP or static route).

Kim

On Feb 26, 2012, at 7:56 PM, Rob Pool wrote:

> If it had the same route in an igp an r would show up because the BGP route 
> would prevent it from being inserted in the rib. However, a more specific 
> route in an igp wouldn't prevent the less specific BGP route from being 
> inserted. 
> 
> Sent from my iPhone
> 
> On Feb 26, 2012, at 1:49 PM, <[email protected]> wrote:
> 
>> If it had a more specific route from another protocol, wouldn't a "r" for 
>> "rib failure"show up for the route in the "sh ip bgp" command?
>> 
>> Could an ICMP redirect from 10.1.12.1 is causing this?
>> 
>> Doug
>> -------- Original Message --------
>> Subject: Re: [OSL | CCIE_RS] Local Preference issue.
>> From: Rob Pool <[email protected]>
>> Date: Sun, February 26, 2012 10:41 am
>> To: Benny Sumardy <[email protected]>
>> Cc: CCIE ONLINE STUDY LIST <[email protected]>
>> 
>> My guess would be that you have a more specific route being provided by an 
>> igp or static route. 
>> 
>> Sent from my iPhone
>> 
>> On Feb 26, 2012, at 12:05 PM, Benny Sumardy <[email protected]> wrote:
>> 
>>> 
>>> Hi,
>>> 
>>> Applied a local pref value for network 11.0.0.0 (as shown below), so the 
>>> best route will prefer 10.1.12.1 (3 hops) than 10.1.14.1 (1 hop).
>>> But when I do a traceroute, the result still gone through 10.1.14.1. Can 
>>> anybody help on what's missing here? Thanks
>>> 
>>> Rgds
>>> Ben
>>> 
>>> 
>>> R4(config-router)#do sib
>>> BGP table version is 7, local router ID is 4.4.4.4
>>> 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
>>> *> 1.0.0.0 10.1.14.1 0 400 0 100 i
>>> *>i2.0.0.0 10.1.23.2 0 100 0 i
>>> *>i3.0.0.0 10.1.34.3 0 100 0 i
>>> *> 4.0.0.0 0.0.0.0 0 32768 i
>>> *>i11.0.0.0 10.1.12.1 0 400 0 100 i
>>> * 10.1.14.1 0 0 100 i
>>> R4(config-router)#do trace 11.1.1.1
>>> 
>>> Type escape sequence to abort.
>>> Tracing the route to 11.1.1.1
>>> 
>>> 1 10.1.14.1 12 msec * 0 msec
>>> R4(config-router)#do sir 11.0.0.0
>>> Routing entry for 11.0.0.0/8
>>> Known via "bgp 200", distance 200, metric 0
>>> Tag 100, type internal
>>> Last update from 10.1.12.1 00:01:14 ago
>>> Routing Descriptor Blocks:
>>> * 10.1.12.1, from 10.1.23.2, 00:01:14 ago
>>> Route metric is 0, traffic share count is 1
>>> AS Hops 1
>>> Route tag 100
>>> MPLS label: none
>>> R4(config-router)#
>>> R4(config-router)#do trace 11.1.1.1
>>> 
>>> Type escape sequence to abort.
>>> Tracing the route to 11.1.1.1
>>> 
>>> 1 10.1.14.1 4 msec * 4 msec
>>> R4(config-router)#
>>> 
>>> _______________________________________________
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>>> visit www.ipexpert.com
>>> 
>>> Are you a CCNP or CCIE and looking for a job? Check out 
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>>> 
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>> _______________________________________________
>> For more information regarding industry leading CCIE Lab training, please 
>> visit www.ipexpert.com
>> 
>> Are you a CCNP or CCIE and looking for a job? Check out 
>> www.PlatinumPlacement.com
>> 
>> http://onlinestudylist.com/mailman/listinfo/ccie_rs
> _______________________________________________
> For more information regarding industry leading CCIE Lab training, please 
> visit www.ipexpert.com
> 
> Are you a CCNP or CCIE and looking for a job? Check out 
> www.PlatinumPlacement.com
> 
> http://onlinestudylist.com/mailman/listinfo/ccie_rs



// Freedom Matters
CCIE #29189
http://www.packet-forwarding.net



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