Cisco 7609 not routing correcty (Static Routing)

Unanswered Question

Hi,

Greetings

We are currently problems on a 7606 router with IOS Version 12.2 (18) SXF14 which is presenting an abnormal behavior in its routing characteristics of the problem are:

Dibujo.JPG

Have a Cluster 7609 this device present failure, this not perform routing correct to any static router. The log BRBOG3 device are the following:

BorderRouterBOG3#sh running-config | inc 199.175.44.28

ip route 199.175.44.28 255.255.255.255 190.102.199.41

BorderRouterBOG3#sh running-config | inc 199.175.44.37

ip route 199.175.44.37 255.255.255.255 190.102.199.41 name VPN_CYCLELOGIC

BorderRouterBOG3#sh ip route 199.175.44.28

Routing entry for 199.175.44.28/32

  Known via "static", distance 1, metric 0

  Routing Descriptor Blocks:

  * 190.102.199.41

      Route metric is 0, traffic share count is 1

BorderRouterBOG3#sh ip rou

BorderRouterBOG3#sh ip route 199.175.44.37

Routing entry for 199.175.44.37/32

  Known via "static", distance 1, metric 0

  Routing Descriptor Blocks:

  * 190.102.199.41

      Route metric is 0, traffic share count is 1

BorderRouterBOG3#sh ip cef 199.175.44.28

199.175.44.28/32, version 1554, epoch 0, cached adjacency 190.102.199.41

0 packets, 0 bytes

  via 190.102.199.41, 0 dependencies, recursive

    next hop 190.102.199.41, GigabitEthernet1/2.63 via 190.102.199.41/32 (Default)

    valid cached adjacency

BorderRouterBOG3#sh ip cef 199.175.44.37

199.175.44.37/32, version 1556, epoch 0, cached adjacency 190.102.199.41

0 packets, 0 bytes

  via 190.102.199.41, 0 dependencies, recursive

    next hop 190.102.199.41, GigabitEthernet1/2.63 via 190.102.199.41/32 (Default)

    valid cached adjacency

BorderRouterBOG3#sh ip inter bri

BorderRouterBOG3#sh ip inter brief | inc 1/2.63

GigabitEthernet1/2.63      190.102.199.43  YES NVRAM  up                    up

As you can see the results in the routing table seem consistent, without a trace But when you have the following results:

BorderRouterBOG3#traceroute 199.175.44.28

Type escape sequence to abort.

Tracing the route to 199.175.44.28

  1 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

  2 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  3 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  4 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

  5 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  6 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

  7 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  8 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

  9 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

10 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

11 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

12 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

13 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

14 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

15 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

16 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

17 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

18 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

19 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

20 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

21 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

22 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

23 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

24 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

25 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

26 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

27 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

28 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

29 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

30 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

BorderRouterBOG3#traceroute 199.175.44.37

Type escape sequence to abort.

Tracing the route to 199.175.44.37

  1 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  2 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

  3 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  4 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  5 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  6 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  7 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  8 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

  9 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

10 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

11 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

12 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

13 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

14 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

15 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

16 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

17 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

18 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

19 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

20 10.13.2.6 [AS 13489] 0 msec 4 msec 0 msec

21 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

22 10.13.2.6 [AS 13489] 0 msec 0 msec 4 msec

23 10.13.2.6 [AS 13489] 0 msec 0 msec 0 msec

24 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

25 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

26 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

27 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

28 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

29 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

30 10.13.2.6 [AS 13489] 4 msec 0 msec 0 msec

The interface is responding traces is in the same device:

BorderRouterBOG3# sh ip inter brief | inc  10.13.2.6

GigabitEthernet1/2.60      10.13.2.6       YES NVRAM  up                    up

Making a trace from BRBOG1 device drawn from the results are:

BorderRouter1#traceroute 199.175.44.28

Type escape sequence to abort.

Tracing the route to 199.175.44.28

  1 10.11.4.10 0 msec 4 msec 0 msec

  2  *

    10.13.2.6 0 msec 0 msec

  3 10.13.2.6 4 msec 4 msec 4 msec

  4 10.13.2.6 0 msec *  0 msec

  5 10.13.2.6 4 msec 0 msec *

  6 10.13.2.6 0 msec 4 msec 0 msec

  7 10.13.2.6 4 msec 0 msec 4 msec

  8 10.13.2.6 0 msec 4 msec 4 msec

  9 10.13.2.6 0 msec 4 msec 4 msec

10 10.13.2.6 0 msec 4 msec *

11 10.13.2.6 0 msec 4 msec 0 msec

12 10.13.2.6 0 msec 0 msec 4 msec

13  *  0 msec 0 msec

14 10.13.2.6 0 msec 4 msec 0 msec

15 10.13.2.6 4 msec *  0 msec

16 10.13.2.6 4 msec 0 msec 4 msec

17 10.13.2.6 0 msec 4 msec 0 msec

18  *  0 msec 4 msec

19 10.13.2.6 4 msec *  0 msec

20 10.13.2.6 4 msec 4 msec 4 msec

21 10.13.2.6 0 msec 8 msec *

22 10.13.2.6 0 msec 4 msec 0 msec

23 10.13.2.6 4 msec 4 msec 4 msec

24 10.13.2.6 8 msec *  4 msec

25 10.13.2.6 0 msec 0 msec 4 msec

26 10.13.2.6 28 msec 4 msec 0 msec

27 10.13.2.6 4 msec 0 msec 0 msec

28 10.13.2.6 0 msec 4 msec 4 msec

29 10.13.2.6 4 msec 0 msec 4 msec

30 10.13.2.6 4 msec 4 msec 4 msec

Note how the team will pass this package to BRBOG3 and stay there despite the static routes that tell the way forward.

I am enclosing the show tech-support team. Any comments or recomment on this subject please let me know

Sincerely,

PEDRO PABLO PACHECO

Support & Operation Engineer Colombia |e-mail: [email protected]

Teléfono: +57 1 3766900 Ext. 67266| Teléfono directo: +57 1 3767266 | fax: +57 1 3766900| MSN IM: [email protected] | Celular: +57 3174378091

www.desca.com

Carrera 7 No 71-52 Torre A Piso 11 Bogota D.C., Colombia

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I have this problem too.
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Giuseppe Larosa Thu, 04/01/2010 - 03:17

Hello Pedro,

what happens if :

you do a

clear ip route 199.175.44.28

clear ip route 199.175.44.37

I tried to verify if any PBR rule is involved but no local policy in global configuration mode is applied.

and if you try to traceroute other host routes using the same IP next-hop like

190.102.199.66

what is the result?

Hope to help

Giuseppe

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