2013年7月18日星期四

Router 2911 with sm-es2-16p that does not do intervlan routing

Question:

 i have  problem with Cisco 2951 a router 2900 with a card switch 16 ports (sm-es2-16p) that does not doing the intervlan routing. i have attached 2 show tech one of the router and one of the card switch 16 ports (sm-es2-16p). I connected physically the switch card to a router interface and it seem to be working because i can do a ping from my pc  ( in user vlan 26) to my gateway on the router (172.20.26.1) but i can not do ping to the others vlan like  (172.10.26.1) or others. .. i want to know what is happening and if it there is a way to do the trunk conectivity between the switch card and the router internally without a phyisical connection.

Answer:
The (sm-es2-16p) has interface Gi0/1 connected through the backplane to the Router interface Gi1/0.
To get your routing working you should remove the physical cable and apply the below configuration to the router.
Hope it helps

conf t
default interface GigabitEthernet 1/0
default interface GigabitEthernet 0/2
interface GigabitEthernet 1/0
ip address 172.20.10.1 255.255.254.0
no shut
!
interface GigabitEthernet1/0.12
description IMPRESORAS
encapsulation dot1Q 12
ip address 172.20.12.1 255.255.254.0
!
interface GigabitEthernet1/0.14
description SERVIDORES
encapsulation dot1Q 14
ip address 172.20.14.1 255.255.254.0
!
interface GigabitEthernet1/0.16
description VOZ SOBRE IP
encapsulation dot1Q 16
ip address 172.20.16.1 255.255.254.0
!
interface GigabitEthernet1/0.18
description RADIOS IP
encapsulation dot1Q 18
ip address 172.20.18.1 255.255.254.0
!
interface GigabitEthernet1/0.20
description SEGURIDAD FISICA
encapsulation dot1Q 20
ip address 172.20.20.1 255.255.254.0
!
interface GigabitEthernet1/0.22
description WLAN DE VISITANTES
encapsulation dot1Q 22
ip address 172.20.22.1 255.255.254.0
!
interface GigabitEthernet1/0.24
description RESERVADA
encapsulation dot1Q 24
ip address 172.20.24.1 255.255.254.0
!
interface GigabitEthernet1/0.26
description Usuarios
encapsulation dot1Q 26
ip address 172.20.26.1 Cisco 2951 router 255.255.254.0
exit

end

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