Re: Encap Failed "Router on a Stick"

From: Leigh Harrison (ccileigh@gmail.com)
Date: Mon Sep 19 2005 - 07:47:21 GMT-3


Bill

Quick thought - it may not be able to tie the layer 3 into the layer 2,
because it's not there (still odd on etherenet...)

Have you got the layer 2 vlan created on the switch !? I think that
might do it, as it wouldn't be there, so it can't send data on it.

LH

Bill.McKenzie@bisys.com wrote:

>I'm having some problems getting this configuration to work. I can't figure
>out why on a debug ip packet detail, when I ping to or from this I get
>encapsulation failed. When I delete the subinterfaces and assign the IP
>address to the physical interface and put the switchport in vlan 263, it is
>successful. After staring at my configuration for an hour , I can't see
>anything wrong with it. Can someone verify this?
>
>Switch1:
>interface FastEthernet0/6
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 263
> switchport mode trunk
>
>
>R6:
>interface Ethernet0/0
> no ip address
> half-duplex
>!
>interface Ethernet0/0.6
> encapsulation dot1Q 6
> ip address 163.1.6.6 255.255.255.0
> no cdp enable
>!
>interface Ethernet0/0.263
> encapsulation dot1Q 263 native
> ip address 204.12.1.6 255.255.255.0
> no cdp enable
>
>Thanks in advance,
>Bill
>
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