Re: Tunneling to area 0 in OSPF

From: robbie (robbie@packetized.org)
Date: Sun Jul 24 2005 - 20:32:05 GMT-3

Don't you have to configure the tunnel interfaces as part of area 0, or
am I misreading/misunderstanding something? 

-- 
Cheers,
Robbie

Schulz, Dave wrote:
> Group -
> 
> I tried doing a tunnel from a router (R3) with only OSPF area 50 configured to
> another (R2) through a serial link running only RIP.  I set up a tunnel
> (extending the area 0 to R3).  But for some reason, I get the following
> reoccuring message:
> 
> R3.....
> 06:05:16: OSPF: Rcv hello from 160.10.37.2 area 0 from Tunnel0 10.1.1.1
> 06:05:16: OSPF: End of hello processing
> 
> This only occurs at R3.  At first, I thought the hello/dead timer were an
> issue, but that is not the case.  the links come up and so does the tunnel.
> However, OSPF routes from area 50 will not get passed into the other routers
> on area O.  Here are the configs....any ideas on this one?
> 
> 
> R2.....
> 
> interface Tunnel0
>  ip address 10.1.1.1 255.255.255.0
>  tunnel source Serial0.1
>  tunnel destination 172.16.1.2
> !
> !
> interface Serial0.1 point-to-point
>  ip address 172.16.1.1 255.255.255.0
>  ip ospf network point-to-point
>  frame-relay interface-dlci 302 protocol ip 160.10.32.1
> !
> interface Serial0.2 multipoint
>  ip address 160.10.37.2 255.255.255.0
>  frame-relay map ip 160.10.37.4 214 broadcast
>  frame-relay map ip 160.10.37.5 215 broadcast
> !
> !
> router ospf 1
>  log-adjacency-changes
>  no auto-cost
>  network 10.0.0.0 0.255.255.255 area 0
>  network 160.10.37.0 0.0.0.255 area 0
>  neighbor 160.10.37.5
>  neighbor 160.10.37.4
> !
> router rip
>  version 2
>  network 172.16.0.0
>  no auto-summary
> !
> 
> R3.....
> interface Loopback0
>  ip address 44.44.44.33 255.255.255.240 secondary
>  ip address 44.44.44.65 255.255.255.240 secondary
>  ip address 44.44.44.129 255.255.255.240 secondary
>  ip address 44.44.44.49 255.255.255.240 secondary
>  ip address 44.44.44.17 255.255.255.240
>  ip ospf network point-to-point
> !
> interface Tunnel0
>  ip address 10.1.1.2 255.255.255.0
>  tunnel source Serial0
>  tunnel destination 172.16.1.1
> !
> interface Serial0
>  ip address 172.16.1.2 255.255.255.0
>  encapsulation frame-relay
>  ip ospf network point-to-point
>  frame-relay map ip 160.10.32.2 203 broadcast
>  no frame-relay inverse-arp
>  frame-relay lmi-type ansi
> !
> !
> router ospf 1
>  log-adjacency-changes
>  no auto-cost
>  network 10.0.0.0 0.255.255.255 area 0
>  network 44.44.44.0 0.0.0.255 area 50
> !
> router rip
>  version 2
>  network 172.16.0.0
> !

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