From: ronald.kaduwa@bell.ca
Date: Sat Oct 08 2005 - 14:45:30 GMT-3
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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