From: Dillon Yang (dillony@gmail.com)
Date: Fri Sep 02 2005 - 03:44:31 GMT-3
Hi, KY:
All transit traffic will pass through the area 0, so you need to put the
interface tunnel into the area 0. I notice that you have no address in the
interface tunnel, please try this: add explicit one to it and advertise it
into
OSPF area 0. Maybe you can be satisfied without default route.
HTH
dillon
----- Original Message -----
From: <nhqky888@ybb.ne.jp>
To: <ccielab@groupstudy.com>
Sent: Thursday, September 01, 2005 3:16 PM
Subject: Tunneling over OSPF
> The requirement is that;
>
> The traceroute from SW2 to SW1 should be through R3-R6 tunneling.
>
>
> R5(hub)---(area 0 on FR)----R3(spoke)-fa0/0---vlan20(area3)----SW1
> | |
> | |<----R3-R6 tunneling
> | |
> ----------(area 5 on FR)----R6(spoke)-fa0/0---vlan30(area6)----SW2
> <-----virtual link--------->
>
>
> On my lab, 1 static route destined to Tunnel int needed on R3 and R6.
>
> R3:
>
> interface Loopback0
> ip address 3.3.3.3 255.255.255.0
> ip ospf network point-to-point
> !
> interface Tunnel0
> ip unnumbered Loopback0
> tunnel source Loopback0
> tunnel destination 6.6.6.6
> !
> interface Ethernet0/0
> ip address 1.1.10.3 255.255.255.0
> half-duplex
> !
>
> router ospf 1
> router-id 3.3.3.3
> log-adjacency-changes
> network 1.1.10.3 0.0.0.0 area 3
> network 1.1.235.3 0.0.0.0 area 0
> network 3.3.3.3 0.0.0.0 area 0
> !
> ip route 1.1.20.0 255.255.255.0 Tunnel0
>
>
> R6:
>
> interface Loopback0
> ip address 6.6.6.6 255.255.255.0
> ip ospf network point-to-point
> !
> interface Tunnel0
> ip unnumbered Loopback0
> tunnel source Loopback0
> tunnel destination 3.3.3.3
> !
> interface Ethernet0
> ip address 1.1.20.6 255.255.255.0
> !
> router ospf 1
> router-id 6.6.6.6
> log-adjacency-changes
> area 5 virtual-link 5.5.5.5
> area 6 stub
> redistribute connected subnets
> network 1.1.20.6 0.0.0.0 area 6
> network 1.1.56.6 0.0.0.0 area 5
> network 6.6.6.6 0.0.0.0 area 0
> !
> ip route 1.1.10.0 255.255.255.0 Tunnel0
>
>
> I tried the following method, however all failed.
>
> 1. cost 10000 on R3/6s FR int
> 2. band 10000 on R3/6s tunnel int
> 3. distance 111 R5s address 1 (acl 1 for area3/6) under ospf process on
> R3/6
>
>
>
> Please give me the solution without static route to tunnel int.
>
>
> KY
>
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