From: Julius Kinsler (jkinsler@harbortech.com)
Date: Thu Apr 20 2006 - 16:20:54 GMT-3
A GRE tunnel might work in this situation, you might want to try that.
That's the only other thing I can think of, if you really want to try
and make these routers peer.
-----Original Message-----
From: Brent Foster [mailto:jbrentfoster@yahoo.com]
Sent: Thursday, April 20, 2006 3:13 PM
To: Julius Kinsler
Cc: ccielab@groupstudy.com
Subject: RE: OSPF NBMA Question
I'm just testing to see if there is any way to get the spokes to peer
with each other without a dedicated DLCI. I suspect there is not!
--Brent
--- Julius Kinsler <jkinsler@harbortech.com> wrote:
> Well Spokes can't be neighbor with each other. The TTL of an OSPF
> Hello packet is 1 so it'll never make it passed the hub.
> But you could
> possibly try if its allowed changing the point to point network type
> to multi-point and mapping a DLCI from R2 directly to
> R5 and vice versa.
> Why do you think they need to peer with each other?
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com] On Behalf Of Brent Foster
> Sent: Thursday, April 20, 2006 2:13 PM
> To: ccielab@groupstudy.com
> Subject: OSPF NBMA Question
>
> Question for the gurus...
>
> How can I get the spoke routers in a hub & spoke frame relay to peer
> with each other based on this
> configuration:
>
> /R2(spoke)
> /
> R1(hub)
> \
> \R5(spoke)
>
> R1:
> interface Serial3/0.100 multipoint
> ip address 10.100.10.1 255.255.255.248 ip ospf network broadcast no
> arp frame-relay frame-relay map ip 10.100.10.2 102 broadcast
> frame-relay map ip
> 10.100.10.5 105 broadcast no frame-relay inverse-arp !
> router ospf 100
> router-id 10.100.100.1
> network 10.100.0.0 0.0.255.255 area 0
>
> R2:
> interface Serial4/0.201 point-to-point ip address 10.100.10.2
> 255.255.255.248 ip ospf network broadcast ip ospf priority 0
> frame-relay interface-dlci 201
> !
> router ospf 100
> router-id 10.100.100.2
> network 10.100.0.0 0.0.255.255 area 0
>
> R5:
> interface Serial4/0.501 point-to-point ip address 10.100.10.5
> 255.255.255.248 ip ospf network broadcast ip ospf priority 0
> frame-relay interface-dlci 501
> !
> router ospf 100
> router-id 10.100.100.5
> network 10.100.0.0 0.0.255.255 area 0
>
> The spokes are peering with the hub but not with each other.
>
> router1#show ip ospf neigh
>
> Neighbor ID Pri State Dead Time
> Address Interface
> 10.100.100.2 0 FULL/DROTHER 00:00:36
> 10.100.10.2 Serial3/0.100
> 10.100.100.5 0 FULL/DROTHER 00:00:35
> 10.100.10.5 Serial3/0.100
>
> Also, the spokes can ping each other just fine.
> Does this have to do
> with the fact that the spoke routers are using the "point-to-point"
> sub-interface type?
>
> Brent Foster
> jbrentfoster@yahoo.com
>
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This archive was generated by hypermail 2.1.4 : Mon May 01 2006 - 11:41:58 GMT-3