From: Javier Tomé (fjtm@tid.es)
Date: Sat Oct 08 2005 - 18:44:37 GMT-3
Hi Roni,
I remember a bug related with native vlan on dot1q trunking over
Ethernet Interfaces. Try it using a router with a FastEthernet
interface. It will work.
Best Regards
Javi
ronald.kaduwa@bell.ca wrote:
>Hi guys,
>
>
>
>I have set up do1q tunnelling across two switches to segregate broadcast
>domains for two subnets sharing the same VLAN ID. Everything works fine
>for the tunnels end to end, the problem is I can't seem to route between
>the SVI and one of the routers involved in tunnelling. To the best of my
>knowledge, all I need to do is make the VLAN for the traffic I do not
>want affected by the tunnel native and then be able to route for that
>VLAN. The tunnel port should act as a normal access port for all
>untagged traffic from the native VLAN of the router, so I should be able
>to ping the SVI interface. However, the results below do not agree so
>I'd like to know if there is something I'm missing. Take a look and
>thanks in advance, Roni.
>
>
>
>(Router 6)
>
>
>
>interface Ethernet0
>
> no ip address
>
>!
>
>interface Ethernet0.10
>
> encapsulation dot1Q 10
>
> ip address 172.16.163.6 255.255.255.0
>
>!
>
>interface Ethernet0.30
>
> encapsulation dot1Q 30 native
>
> ip address 172.16.60.6 255.255.255.0
>
>
>
>(Switch2)
>
>
>
>interface FastEthernet0/9
>
> description connection to R6
>
> switchport access vlan 30
>
> switchport mode dot1q-tunnel
>
> no cdp enable
>
> spanning-tree bpdufilter enable
>
>
>
>interface Vlan30
>
> ip address 172.16.60.20 255.255.255.0
>
> ip mtu 1500
>
>
>
>
>
>R6#deb ip pac d
>
>IP packet debugging is on (detailed)
>
>R6#ping 172.16.60.20
>
>Type escape sequence to abort.
>
>Sending 5, 100-byte ICMP Echos to 172.16.60.29, timeout is 2 seconds:
>
>00:33:34: IP: s=172.16.60.6 (local), d=172.16.60.20 (Ethernet0.30), len
>100, sending
>
>00:33:34: ICMP type=8, code=0
>
>00:33:34: IP: s=172.16.60.6 (local), d=172.16.60.20 (Ethernet0.30), len
>100, encapsulation failed
>
>00:33:34: ICMP type=8, code=0
>
>00:33:36: IP: s=172.16.60.6 (local), d=172.16.60.20 (Ethernet0.30), len
>100, sending
>
>00:33:36: ICMP type=8, code=0
>
>00:33:36: IP: s=172.16.60.6 (local), d=172.16.60.20 (Ethernet0.30), len
>100, encapsulation failed
>
>00:33:36: ICMP type=8, code=0.
>
>00:33:38: IP: s=172.16.60.6 (local), d=172.16.60.20 (Ethernet0.30), len
>100, sending
>
>00:33:38: ICMP type=8, code=0
>
>00:33:38: IP: s=172.16.60.6 (local), d=172.16.60.20 (Ethernet0.30), len
>100, encapsulation failed
>
>00:33:38: ICMP type=8, code=0.
>
>00:33:40: IP: s=172.16.60.6 (local), d=172.16.60.20 (Ethernet0.30), len
>100, sending
>
>00:33:40: ICMP type=8, code=0
>
>00:33:40: IP: s=172.16.60.6 (local), d=172.16.60.20 (Ethernet0.30), len
>100, encapsulation failed
>
>00:33:40: ICMP type=8, code=0.
>
>00:33:42: IP: s=172.16.60.6 (local), d=172.16.60.20 (Ethernet0.30), len
>100, encapsulation failed
>
>00:33:42: ICMP type=8, code=0
>
>R6#u all
>
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