Re: RIP route poisoning issues

From: biola <biola_y2k_at_yahoo.com>
Date: Wed, 17 Feb 2010 22:27:56 -0800 (PST)

I have removed them. But the prob still persist.

If i ping the net from bb from R5 here is the output

R5#ping 30.0.0.1 rep 33333

Type escape sequence to abort.
Sending 33333, 100-byte ICMP Echos to 30.0.0.1, timeout is 2 seconds:
!!!!!.........!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!.....
Success rate is 81 percent (63/77), round-trip min/avg/max = 1/205/808 ms

R5#sh run

Building configuration...

Current configuration : 1531 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R5
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!

archive
 log config
  hidekeys
!

!
interface Loopback0
 ip address 150.1.5.5 255.255.255.255
 ip rip advertise 2
!
interface FastEthernet0/0
 no ip address
 shutdown
 duplex auto
 speed auto
!
interface Serial0/0
 no ip address
 encapsulation frame-relay
 clock rate 2000000
!
interface Serial0/0.100 multipoint
 ip address 155.1.0.5 255.255.255.0
 ip rip advertise 2
 snmp trap link-status
 frame-relay map ip 155.1.0.4 504 broadcast
 frame-relay map ip 155.1.0.3 503 broadcast
 frame-relay map ip 155.1.0.2 502 broadcast
 frame-relay map ip 155.1.0.1 501 broadcast
!
interface FastEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
!
interface Serial0/1
 ip address 155.1.45.5 255.255.255.0
 ip rip advertise 2
 clock rate 2000000
!
interface FastEthernet1/0
 no ip address
 shutdown
 duplex auto
 speed auto
!
router rip
 version 2
 timers basic 2 6 10 15
 network 150.1.0.0
 network 155.1.0.0
 no auto-summary
!
ip forward-protocol nd
!
!
ip http server
no ip http secure-server
!
!
!

!
control-plane

Here is the debug ip rip output on R4
*Mar 1 14:21:12.624: RIP: build flash update entries
*Mar 1 14:21:12.624: 155.1.13.0/24 via 0.0.0.0, metric 16, tag 0
*Mar 1 14:21:12.628: 155.1.23.0/24 via 0.0.0.0, metric 16, tag 0
*Mar 1 14:21:13.712: RIP: received packet with MD5 authentication
*
R4#Mar 1 14:21:13.716: RIP: received v2 update from 204.12.1.254 on
FastEtherne
t0/0
*Mar 1 14:21:13.716: 30.0.0.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.720: 30.0.1.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.724: 30.0.2.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.724: 30.0.3.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.728: 30.0.4.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.732: 30.0.5.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.736: 31.0.0.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.736: 31.0.1.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.740: 31.0.2.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.744: 31.0.3.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.748: 31.0.4.1/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:13.748: 155.1.13.0/24 via 0.0.0.0 in 16 hops
(inaccessible)
*Mar 1 14:21:13.752: 155.1.23.0/24 via 0.0.0.0 in 16 hops
(inaccessible)
*Mar 1 14:21:14.256: RIP: received v2 update from 155.1.45.5 on Serial0
R4#/1
*Mar 1 14:21:14.256: 30.0.0.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.260: 30.0.1.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.264: 30.0.2.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.264: 30.0.3.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.268: 30.0.4.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.272: 30.0.5.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.276: 31.0.0.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.280: 31.0.1.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.280: 31.0.2.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.284: 31.0.3.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.288: 31.0.4.1/32 via 0.0.0.0 in 16 hops (inaccessible)
*Mar 1 14:21:14.292: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:14.292: 155.1.0.0/24 via 0.0.0.0 in 1 hops

R4#*Mar 1 14:21:14.296: 155.1.13.0/24 via 0.0.0.0 in 16 hops
(inaccessibl
e)
*Mar 1 14:21:14.300: 155.1.23.0/24 via 0.0.0.0 in 16 hops
(inaccessible)
*Mar 1 14:21:14.304: 155.1.146.0/24 via 0.0.0.0 in 16 hops
(inaccessible)
*Mar 1 14:21:14.304: 204.12.1.0/24 via 0.0.0.0 in 16 hops
(inaccessible)
*Mar 1 14:21:14.908: RIP: received packet with MD5 authentication
*Mar 1 14:21:14.912: RIP: received v2 update from 204.12.1.254 on
FastEthernet0
/0
*Mar 1 14:21:14.916: 155.1.13.0/24 via 0.0.0.0 in 16 hops
(inaccessible)
*Mar 1 14:21:14.916: 155.1.23.0/24 via 0.0.0.0 in 16 hops
(inaccessible)
*Mar 1 14:21:16.080: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:16.084: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:16.088: 155.1.0.0/24 via 0.0.0.0 in 1 hops
R4#
*Mar 1 14:21:17.808: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:17.812: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:17.816: 155.1.0.0/24 via 0.0.0.0 in 1 hops
R4#
*Mar 1 14:21:19.692: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:19.692: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:19.696: 155.1.0.0/24 via 0.0.0.0 in 1 hops
R4#
*Mar 1 14:21:21.560: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:21.564: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:21.564: 155.1.0.0/24 via 0.0.0.0 in 1 hops
R4#
*Mar 1 14:21:23.388: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:23.392: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:23.396: 155.1.0.0/24 via 0.0.0.0 in 1 hops
R4#
*Mar 1 14:21:25.208: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:25.208: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:25.212: 155.1.0.0/24 via 0.0.0.0 in 1 hops
R4#
*Mar 1 14:21:27.192: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:27.196: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:27.200: 155.1.0.0/24 via 0.0.0.0 in 1 hops
*Mar 1 14:21:28.124: RIP: sending v2 update to 224.0.0.9 via Serial0/1
(155.1.4
5.4)
*Mar 1 14:21:28.128: RIP: build update entries
*Mar 1 14:21:28.128: 30.0.0.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.132: 30.0.1.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.132: 30.0.2.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.136: 30.0.3.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.140: 30.0.4.1/32 via 0.0.0.0, metric 2, tag 0
R4#
*Mar 1 14:21:28.140: 30.0.5.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.144: 31.0.0.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.148: 31.0.1.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.152: 31.0.2.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.152: 31.0.3.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.156: 31.0.4.1/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:28.160: 155.1.13.0/24 via 0.0.0.0, metric 16, tag 0
*Mar 1 14:21:28.160: 155.1.23.0/24 via 0.0.0.0, metric 16, tag 0
*Mar 1 14:21:28.164: 155.1.146.0/24 via 0.0.0.0, metric 1, tag 0
*Mar 1 14:21:28.168: 204.12.1.0/24 via 0.0.0.0, metric 1, tag 0
R4#
*Mar 1 14:21:28.808: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:28.808: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:28.812: 155.1.0.0/24 via 0.0.0.0 in 1 hops
*Mar 1 14:21:28.816: 155.1.13.0/24 via 0.0.0.0 in 3 hops
*Mar 1 14:21:28.820: 155.1.23.0/24 via 0.0.0.0 in 2 hops
R4#
*Mar 1 14:21:30.208: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:30.208: 155.1.13.0/24 via 0.0.0.0 in 3 hops
*Mar 1 14:21:30.212: 155.1.23.0/24 via 0.0.0.0 in 2 hops
*Mar 1 14:21:30.820: RIP: sending v2 flash update to 224.0.0.9 via
FastEthernet
0/1 (155.1.146.4)
*Mar 1 14:21:30.824: RIP: build flash update entries
*Mar 1 14:21:30.824: 155.1.13.0/24 via 0.0.0.0, metric 4, tag 0
*Mar 1 14:21:30.828: 155.1.23.0/24 via 0.0.0.0, metric 3, tag 0
*Mar 1 14:21:30.832: RIP: sending v2 flash update to 224.0.0.9 via Serial0/1
(1
55.1.45.4)
*Mar 1 14:21:30.836: RIP: build flash update entries - suppressing null
update
R4#u al
*Mar 1 14:21:30.840: RIP: sending v2 flash update to 224.0.0.9 via
FastEthernet
0/0 (204.12.1.4)
*Mar 1 14:21:30.844: RIP: build flash update entries
*Mar 1 14:21:30.848: 155.1.13.0/24 via 0.0.0.0, metric 4, tag 0
*Mar 1 14:21:30.848: 155.1.23.0/24 via 0.0.0.0, metric 3, tag 0
*Mar 1 14:21:30.872: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:30.872: 150.1.5.5/32 via 0.0.0.0 in 1 hops
*Mar 1 14:21:30.876: 155.1.0.0/24 via 0.0.0.0 in 1 hops
*Mar 1 14:21:30.880: 155.1.13.0/24 via 0.0.0.0 in 3 hops
*Mar 1 14:21:30.880: 155.1.23.0/24 via 0.0.0.0 in 2 hops
R4#u all
All possible debugging has been turned off
R4#
*Mar 1 14:21:31.972: RIP: sending v2 update to 224.0.0.9 via FastEthernet0/0
(2
04.12.1.4)
*Mar 1 14:21:31.976: RIP: build update entries
*Mar 1 14:21:31.980: 150.1.5.5/32 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:31.980: 155.1.0.0/24 via 0.0.0.0, metric 2, tag 0
*Mar 1 14:21:31.984: 155.1.13.0/24 via 0.0.0.0, metric 4, tag 0
*Mar 1 14:21:31.988: 155.1.23.0/24 via 0.0.0.0, metric 3, tag 0
*Mar 1 14:21:31.988: 155.1.45.0/24 via 0.0.0.0, metric 1, tag 0
*Mar 1 14:21:31.992: 155.1.146.0/24 via 0.0.0.0, metric 1, tag 0
*Mar 1 14:21:32.816: RIP: received v2 update from 155.1.45.5 on Serial0/1
*Mar 1 14:21:32.820: 150.1.5.5/32 via 0.0.0.0 in 1 hops
R4#
*Mar 1 14:21:32.824: 155.1.0.0/24 via 0.0.0.0 in 1 hops
*Mar 1 14:21:32.824: 155.1.13.0/24 via 0.0.0.0 in 3 hops
*Mar 1 14:21:32.828: 155.1.23.0/24 via 0.0.0.0 in 2 hops
R4#

Here is R4 sh run

R4#sh run
Building configuration...

Current configuration : 1340 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
!
key chain TEST
 key 1
   key-string cisco
!
!
!

archive
 log config
  hidekeys
!
!
!
interface Loopback0
 ip address 150.1.4.4 255.255.255.255
!
interface FastEthernet0/0
 ip address 204.12.1.4 255.255.255.0
 ip rip authentication mode md5
 ip rip authentication key-chain TEST
 duplex auto
 speed auto
!
interface Serial0/0
 ip address 155.1.0.4 255.255.255.0
 encapsulation frame-relay
 shutdown
 clock rate 2000000
 frame-relay map ip 155.1.0.5 405 broadcast
 no frame-relay inverse-arp
!
interface FastEthernet0/1
 ip address 155.1.146.4 255.255.255.0
 duplex auto
 speed auto
!
interface Serial0/1
 ip address 155.1.45.4 255.255.255.0
 clock rate 2000000
!
router rip
 version 2
 network 155.1.0.0
 network 204.12.1.0
 no auto-summary
!
ip forward-protocol nd
!
!
ip http server
no ip http secure-server
!
!

control-plane
!

line con 0
 exec-timeout 0 0
 logging synchronous
line aux 0
line vty 0 4
 --More--

And here is BB sh run

BB3#sh run
Building configuration...

Current configuration : 1671 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname BB3
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
ip cef
!
!
!
!
no ip domain lookup
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
!
key chain TEST
 key 1
   key-string cisco
!
!
!
archive
 log config
  hidekeys
!

!
interface Loopback0
 ip address 30.0.0.1 255.255.255.255
!
interface Loopback1
 ip address 30.0.1.1 255.255.255.255
!
interface Loopback2
 ip address 30.0.2.1 255.255.255.255
!
interface Loopback3
 ip address 30.0.3.1 255.255.255.255
!
interface Loopback4
 ip address 30.0.4.1 255.255.255.255
!
interface Loopback5
 ip address 30.0.5.1 255.255.255.255
!
interface Loopback6
 ip address 31.0.0.1 255.255.255.255
!
interface Loopback7
 ip address 31.0.1.1 255.255.255.255
!
interface Loopback8
 ip address 31.0.2.1 255.255.255.255
!
interface Loopback9
 ip address 31.0.3.1 255.255.255.255
!
interface Loopback10
 ip address 31.0.4.1 255.255.255.255
!
interface FastEthernet0/0
 ip address 204.12.1.254 255.255.255.0
 ip rip authentication mode md5
 ip rip authentication key-chain TEST
 duplex auto
 speed auto
!
interface FastEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
!
router rip
 version 2
 network 30.0.0.0
 network 31.0.0.0
 network 204.12.1.0
 no auto-summary
!
ip forward-protocol nd
!
!
ip http server
no ip http secure-server
!

 --More--
--- On Wed, 2/17/10, Jared Scrivener <lists_at_jaredscrivener.com> wrote:

From: Jared Scrivener <lists_at_jaredscrivener.com>
Subject: Re: RIP route poisoning issues
To: "biola" <biola_y2k_at_yahoo.com>
Cc: "Joe Astorino" <jastorino_at_ipexpert.com>, ccielab_at_groupstudy.com
Date: Wednesday, February 17, 2010, 8:58 PM

Why are these commands on R4:

 distribute-list 10 in Serial0/0
 distribute-list 10 in Serial0/1

There is no ACL 10 in your config.

Why is this command on R5:

no ip split-horizon

Can you remove all 3 of those commands and see if the problem occurs
again? Let's get the config back down to basics (i.e what's needed)
and we'll find a solution.

--
Cheers,
Jared Scrivener
CCSI #30878, CCIE3 #16983 (R&S, SP, Security)
www.MicronicsTraining.com
Sr. Technical Instructor
YES! We take Cisco Learning Credits!
Training And Remote Racks available
LinkedIn:www.linkedin.com/in/jaredscrivener
On Thu, Feb 18, 2010 at 2:40 PM, biola <biola_y2k_at_yahoo.com> wrote:
> Find below the show run output for the routers
> -
>
> BB3#
> BB3#sh run
> Building configuration...
>
> Current configuration : 1671 bytes
> !
> version 12.4
> service timestamps debug datetime msec
> service timestamps log datetime msec
> no service password-encryption
> !
> hostname BB3
> !
> boot-start-marker
> boot-end-marker
> !
> !
> no aaa new-model
> memory-size iomem 5
> ip cef
> !
> !
> !
> !
> no ip domain lookup
> ip auth-proxy max-nodata-conns 3
> ip admission max-nodata-conns 3
> !
> multilink bundle-name authenticated
> !
> !
> !
> key chain TEST
>  key 1
>   key-string cisco
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> archive
>  log config
>  hidekeys
> !
> !
> !
> !
> !
> !
> !
> !
> interface Loopback0
>  ip address 30.0.0.1 255.255.255.255
> !
> interface Loopback1
>  ip address 30.0.1.1 255.255.255.255
> !
> interface Loopback2
>  ip address 30.0.2.1 255.255.255.255
> !
> interface Loopback3
>  ip address 30.0.3.1 255.255.255.255
> !
> interface Loopback4
>  ip address 30.0.4.1 255.255.255.255
> !
> interface Loopback5
>  ip address 30.0.5.1 255.255.255.255
> !
> interface Loopback6
>  ip address 31.0.0.1 255.255.255.255
> !
> interface Loopback7
>  ip address 31.0.1.1 255.255.255.255
> !
> interface Loopback8
>  ip address 31.0.2.1 255.255.255.255
> !
> interface Loopback9
>  ip address 31.0.3.1 255.255.255.255
> !
> interface Loopback10
>  ip address 31.0.4.1 255.255.255.255
> !
> interface FastEthernet0/0
>  ip address 204.12.1.254 255.255.255.0
>  ip rip authentication mode md5
>  ip rip authentication key-chain TEST
>  duplex auto
>  speed auto
> !
> interface FastEthernet0/1
>  no ip address
>  shutdown
>  duplex auto
>  speed auto
> !
> router rip
>  version 2
>  network 30.0.0.0
>  network 31.0.0.0
>  network 204.12.1.0
>  no auto-summary
> !
> ip forward-protocol nd
> !
> !
> ip http server
> no ip http secure-server
> !
> !
> !
> !
> !
> !
> !
> control-plane
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> line con 0
>  exec-timeout 0 0
>  logging synchronous
> line aux 0
> line vty 0 4
> !
> !
> end
>
> BB3#
> BB3#
>
>
>
>
>
>
>
>
> R4#
> R4#sh run
> Building configuration...
>
> Current configuration : 1447 bytes
> !
> version 12.4
> service timestamps debug datetime msec
> service timestamps log datetime msec
> no service password-encryption
> !
> hostname R4
> !
> boot-start-marker
> boot-end-marker
> !
> !
> no aaa new-model
> memory-size iomem 5
> ip cef
> !
> !
> !
> !
> no ip domain lookup
> ip auth-proxy max-nodata-conns 3
> ip admission max-nodata-conns 3
> !
> multilink bundle-name authenticated
> !
> !
> !
> key chain TEST
>  key 1
>   key-string cisco
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> archive
>  log config
>  hidekeys
> !
> !
> !
> !
> !
> !
> !
> !
> interface Loopback0
>  ip address 150.1.4.4 255.255.255.255
> !
> interface FastEthernet0/0
>  ip address 204.12.1.4 255.255.255.0
>  ip rip authentication mode md5
>  ip rip authentication key-chain TEST
>  duplex auto
>  speed auto
> !
> interface Serial0/0
>  ip address 155.1.0.4 255.255.255.0
>  encapsulation frame-relay
>  clock rate 2000000
>  frame-relay map ip 155.1.0.5 405 broadcast
>  no frame-relay inverse-arp
> !
> interface FastEthernet0/1
>  ip address 155.1.146.4 255.255.255.0
>  duplex auto
>  speed auto
> !
> interface Serial0/1
>  ip address 155.1.45.4 255.255.255.0
>  clock rate 2000000
> !
> router rip
>  version 2
>  network 155.1.0.0
>  network 204.12.1.0
>  distribute-list 10 in Serial0/0
>  distribute-list 10 in Serial0/1
>  no auto-summary
> !
> ip forward-protocol nd
> !
> !
> ip http server
> no ip http secure-server
> !
> !
> !
> !
> route-map REW permit 10
>  set interface Serial0/1
> !
> !
> !
> !
> control-plane
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> line con 0
>  exec-timeout 0 0
>  logging synchronous
> line aux 0
> line vty 0 4
> !
> !
> end
>
> R4#
> R4#
> R4#
>
>
>
>
>
>
> R5#sh run
> Building configuration...
>
> Current configuration : 1588 bytes
> !
> version 12.4
> service timestamps debug datetime msec
> service timestamps log datetime msec
> no service password-encryption
> !
> hostname R5
> !
> boot-start-marker
> boot-end-marker
> !
> !
> no aaa new-model
> memory-size iomem 5
> ip cef
> !
> !
> !
> !
> no ip domain lookup
> ip auth-proxy max-nodata-conns 3
> ip admission max-nodata-conns 3
> !
> multilink bundle-name authenticated
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> archive
>  log config
>  hidekeys
> !
> !
> !
> !
> !
> !
> !
> !
> interface Loopback0
>  ip address 150.1.5.5 255.255.255.255
>  ip rip advertise 2
> !
> interface FastEthernet0/0
>  no ip address
>  shutdown
>  duplex auto
>  speed auto
> !
> interface Serial0/0
>  no ip address
>  encapsulation frame-relay
>  ip policy route-map TEST
>  clock rate 2000000
> !
> interface Serial0/0.100 multipoint
>  ip address 155.1.0.5 255.255.255.0
>  ip rip advertise 2
>  no ip split-horizon
>  snmp trap link-status
>  frame-relay map ip 155.1.0.4 504 broadcast
>  frame-relay map ip 155.1.0.3 503 broadcast
>  frame-relay map ip 155.1.0.2 502 broadcast
>  frame-relay map ip 155.1.0.1 501 broadcast
> !
> interface FastEthernet0/1
>  no ip address
>  shutdown
>  duplex auto
>  speed auto
> !
> interface Serial0/1
>  ip address 155.1.45.5 255.255.255.0
>  ip rip advertise 2
>  shutdown
>  clock rate 2000000
> !
> interface FastEthernet1/0
>  no ip address
>  shutdown
>  duplex auto
>  speed auto
> !
> router rip
>  version 2
>  timers basic 2 6 10 15
>  network 150.1.0.0
>  network 155.1.0.0
>  no auto-summary
> !
> ip forward-protocol nd
> !
> !
> ip http server
> no ip http secure-server
> !
> !
> !
> !
> !
> !
> !
> control-plane
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> line con 0
>  exec-timeout 0 0
>  logging synchronous
> line aux 0
> line vty 0 4
> !
> !
> end
>
> R5#
> R5#
> R5#
>
>
>
> On Wed, Feb 17, 2010 at 10:49 PM, biola <biola_y2k_at_yahoo.com> wrote:
>
>
> Hello Guys,
>
>
> I need help . am working on some lab scenarios.
>
>
> i have  3 routers connected  R4,R5 and BB
>
>
> R4 is connected to the BB router through the network 204.12.1.0 and the BB
>
> router is advertising routes 30.0.0.0 and 31.0.0.0 network via rip as shown
> in
>
> the below output
>
>
> R4#sh ip route rip
>
>     31.0.0.0/32 is subnetted, 5 subnets
>
> R       31.0.4.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R       31.0.2.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R       31.0.3.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R       31.0.0.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R       31.0.1.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
>     150.1.0.0/32 is subnetted, 2 subnets
>
> R       150.1.5.5 [120/1] via 155.1.45.5, 00:00:00, Serial0/1
>
>                  [120/1] via 155.1.0.5, 00:00:00, Serial0/0
>
>     30.0.0.0/32 is subnetted, 6 subnets
>
> R       30.0.5.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R       30.0.4.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R       30.0.3.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R       30.0.2.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R       30.0.1.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R       30.0.0.1 [120/1] via 204.12.1.254, 00:00:15, FastEthernet0/0
>
> R4#
>
>
> R4 as a dual connection to R5 via serial and a frame relay link and are
both
>
> runing RIP.
>
>
> The problem is that R4 is continually poisoning the  30.0.0.0 and 31.0.0.0
>
> learned from BB router. and it has a next hop of 0.0.0.0 as shown from the
>
> debug ip rip on R4
>
>
> *Mar  1 11:25:32.405:      30.0.5.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:32.405:      31.0.0.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:32.409:      31.0.1.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:32.413:      31.0.2.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:32.417:      31.0.3.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:32.417:      31.0.4.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:32.421:      150.1.5.5/32 via 0.0.0.0 in 1 hops
>
> *Mar  1 11:25:32.425:      155.1.0.0/24 via 0.0.0.0 in 1 hops
>
> *Mar  1 11:25:32.429:      155.1.45.0/24 via 0.0.0.0 in 1 hops
>
> *Mar  1 11:25:32.429:      155.1.146.0/24 via 0.0.0.0 in 16 hops
>
> (inaccessible)
>
> *Mar  1 11:25:32.433:      204.12.1.0/24 via 0.0.0.0 in 16 hops
>
> (inaccessible)
>
> *Mar  1 11:25:33.733: RIP: received v2 update from 155.1.0.5 on Serial0/0
>
> *Mar  1 11:25:33.737:      30.0.0.1/
>
> R4#32 via 0.0.0.0 in 16 hops  (inaccessible)
>
> *Mar  1 11:25:33.737:      30.0.1.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:33.741:      30.0.2.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:33.745:      30.0.3.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:33.749:      30.0.4.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:33.749:      30.0.5.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:33.753:      31.0.0.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:33.757:      31.0.1.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:33.761:      31.0.2.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:33.761:      31.0.3.1/32 via 0.0.0.0 in 16 hops
>  (inaccessible)
>
> *Mar  1 11:25:33.765:      31.0.4.1/32 via 0.0.0.0 in 16 hops
 (inaccessible
>
>
> This makes pings from R5 to the 30.0.0.0 and 31.0.0.0 net time out
>
> occasionally .
>
>
> Can somebody explain why this is happening?
>
>
> Regards
>
> abiola
>
>
>
> Blogs and organic groups at http://www.ccie.net
>
>
> _______________________________________________________________________
>
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>
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>
>
>
>
>
>
>
>
>
>
> --
> Regards,
>
> Joe Astorino CCIE #24347 (R&S)
> Sr. Technical Instructor - IPexpert
> Mailto: jastorino_at_ipexpert.com
>
>
> Telephone: +1.810.326.1444
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Received on Wed Feb 17 2010 - 22:27:56 ART

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