Problema con implementacion de PBR en cisco WS-C4510R+E (license Level: entservices)
Se tiene un Cisco WS-C4510R+E reciente mente se instalo Cisco license Level: entservices, para activar funcionalidades adicionales una de ellaspolicy based routing (PBR), se configura un PBR (PRUEBA) para dar salida a un host, sin embargo no reenvia los paquetes por el siguiente salto en el PBR aun asi los contadores se incrementan y el debug IP policy marca que todo esta funcionando correctamente, aunque la traza desde el host nos indica que aun no se a realizado; anteriormente en equipos de la misma familia ya se a realizado esta configuracion funcionando perfectamente.
Building configuration...
!
interface Vlan30
description PRUEBA-PBR
ip address 172.17.3.1 255.255.255.0
ip policy route-map PRUEBA
end
route-map PRUEBA permit 10
match ip address PRUEBA
set ip next-hop 192.168.2.37
route-map PRUEBA, permit, sequence 10
Match clauses:
ip address (access-lists): PRUEBA
Set clauses:
ip next-hop 192.168.2.37
Policy routing matches: 1563 packets, 423443 bytes
Extended IP access list PRUEBA
policy rejected -- normal forwarding
008347: Dec 8 17:10:59.952: IP: s=172.17.3.42 (Vlan30), d=8.8.8.8, len 92, poli
cy match
008348: Dec 8 17:10:59.953: IP: route map PRUEBA, item 10, permit
008349: Dec 8 17:10:59.953: IP: s=172.17.3.42 (Vlan30), d=8.8.8.8 (Vlan11), len
92, policy routed
008350: Dec 8 17:10:59.953: IP: Vlan30 to Vlan11 192.168.2.37
008351: Dec 8 17:10:59.954: IP: s=172.17.3.42 (Vlan30), d=8.8.8.8, len 92, poli
cy match
008352: Dec 8 17:10:59.954: IP: route map PRUEBA, item 10, permit
008353: Dec 8 17:10:59.954: IP: s=172.17.3.42 (Vlan30), d=8.8.8.8 (Vlan11), len
92, policy routed
008354: Dec 8 17:10:59.954: IP: Vlan30 to Vlan11 192.168.2.37
008355: Dec 8 17:10:59.955: IP: s=172.17.3.42 (Vlan30), d=8.8.8.8, len 92, poli
cy match
008356: Dec 8 17:10:59.955: IP: route map PRUEBA, item 10, permit
008357: Dec 8 17:10:59.955: IP: s=172.17.3.42 (Vlan30), d=8.8.8.8 (Vlan11), len
92, policy routed
008358: Dec 8 17:10:59.955: IP: Vlan30 to Vlan11 192.168.2.37
008359: Dec 8 17:11:02.260: IP: s=172.17.3.35 (Vlan30), d=255.255.255.255, len
68, policy rejected -- normal forwarding
008360: Dec 8 17:11:03.919: IP: s=172.17.3.27 (Vlan30), d=255.255.255.255, len
68, policy rejected -- normal forwarding
008361: Dec 8 17:11:04.175: IP: s=172.17.3.41 (Vlan30), d=255.255.255.255, len
68, policy rejected -- normal forwarding
Sending 5, 100-byte ICMP Echos to 172.17.3.42, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
Index: 1 Feature: entservices Version: 1.0
License Type: Permanent
License State: Active, In Use
License Count: Non-Counted
License Priority: Medium
Store Index: 1
Store Name: Primary License Storage
Index: 2 Feature: entservices Version: 1.0
License Type: Evaluation
Evaluation total period: 8 weeks 4 days
Evaluation period left: 8 weeks 4 days
License State: Inactive
License Count: Non-Counted
License Priority: None
Store Index: 0
Store Name: Dynamic Evaluation License Storage
Index: 3 Feature: ipbase Version: 1.0
License Type: Permanent
License State: Active, Not in Use
License Count: Non-Counted
License Priority: Medium
Store Index: 0
Store Name: Primary License Storage
sobre un máximo de 30 saltos:
2 1 ms <1 ms <1 ms 192.168.27.70
3 1 ms 1 ms 1 ms salida.ejemplo.local [10.250.20.254]
4 2 ms 2 ms 1 ms ******
5 3 ms 3 ms 2 ms ******
6 53 ms 54 ms 39 ms ******
7 90 ms 90 ms 90 ms 74.125.48.53
8 39 ms 38 ms 40 ms 72.14.233.77
9 39 ms 40 ms 45 ms 72.14.237.219
10 59 ms 58 ms 61 ms 209.85.240.83
11 57 ms 57 ms 59 ms 209.85.248.31
12 61 ms 66 ms 61 ms 209.85.253.145
13 60 ms 62 ms 63 ms google-public-dns-a.google.com [8.8.8.8]
Checando este bug me aparece lo siguiente:
CSCtn91576 Bug Details
We apologize, but the information contained within bug ID CSCtn91576 is currently under review for publishing on Bug Toolkit. The information will be available soon (typically within one or two business days). The publishing team has been automatically alerted to expedite the review of this bug. Please add this bug to your watch group, so you will be notified when the bug is made available to you. Thank you.WS-C4510R(config)#end
Vamos a actualizar la imagen al Cisco IOS XE Release 3.X.XSG en mas actual en una ventana de tiempo sin afectar a la parte operativa una vez que se concluya esto les paso mis comentarios, solo como dato en la primera entrada de esta discusion comento que se instala la licencia (License Level: entservices) para activar esta caracteristica de PBR.
Notas finales: con la actualizacion de IOS XE se soluciono la problematica.
Tema citado en discusiones en Routing & Switching
:
https://supportforums.cisco.com/message/3518401#3518401
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