cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
1959
Views
0
Helpful
3
Replies

RIB failure in sh ip bgp

mohAmed khAdr
Beginner
Beginner

All,

I am running a confed lab.....only bgp...no any igp..

on sh ip bg I find 1 rib failure...I did a sh ip bg rib and I got this:

R1_AS100#sh ip bg rib

Network                          Next Hop                      RIB-failure   RIB-NH Matches

201.199.25.160/27        201.199.25.178              Higher admin distance              n/a

R1_AS100#

!

Here's the whole sh list:

!

R1_AS100#sh ip bg

BGP table version is 14, local router ID is 10.10.100.1

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

*> 10.10.100.1/32              0.0.0.0                  0         32768 i

*> 10.10.130.1/32             201.199.25.178       0         500 i

*> 10.10.140.1/32             201.199.25.178                         0 500 i

*> 10.10.150.1/32             201.199.25.178           0             0 500 i

*> 130.33.255.0/27           201.199.25.178                         0 500 i

*> 140.44.255.0/26           201.199.25.178                         0 500 i

*> 150.55.255.144/28        201.199.25.178           0             0 500 i

*> 172.20.1.0/28               201.199.25.178                         0 500 ?

*> 192.168.1.0/30             201.199.25.178                         0 500 ?

*> 192.168.1.4/30             201.199.25.178           0             0 500 ?

*> 201.199.24.0/25          0.0.0.0                  0         32768 i

r> 201.199.25.160/27       201.199.25.178           0             0 500 ?

!

R1_AS100#sh ip bg rib

Network            Next Hop                      RIB-failure   RIB-NH Matches

201.199.25.160/27  201.199.25.178     Higher admin distance              n/a

!

R1_AS100#sh ip int brie

Interface                  IP-Address      OK? Method Status                Protocol

FastEthernet0/0            201.199.25.179  YES manual up                    up 

FastEthernet0/1            201.199.24.1    YES manual up                    up 

Loopback0                  10.10.100.1     YES manual up                    up 

R1_AS100#

!

What higher AD ?

!

Anyone with better explanation?

Thx.

mohamed

1 Accepted Solution

Accepted Solutions

John Blakley
VIP Alumni
VIP Alumni

Mohamed,

RIB failures like this generally indicate that it's receiving a better path by some other means. You're advertising this network from another router, but it can't put this route in the table because it has a higher administrative distance than your locally connected network.

HTH,

John

HTH, John *** Please rate all useful posts ***

View solution in original post

3 Replies 3

John Blakley
VIP Alumni
VIP Alumni

Mohamed,

RIB failures like this generally indicate that it's receiving a better path by some other means. You're advertising this network from another router, but it can't put this route in the table because it has a higher administrative distance than your locally connected network.

HTH,

John

HTH, John *** Please rate all useful posts ***

John,

Thx...spot on! it's connected...it has  distance 0, metric 0

Thx again

Nandan Mathure
Beginner
Beginner

Hi!

Also paste output for : show ip route 201.199.25.160 & show ip bgp 201.199.25.160

Thanks,

Nandan

Getting Started

Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: