From: Daniel Free (danrose111@earthlink.net)
Date: Fri May 02 2003 - 16:39:31 GMT-3
Hi Jamie,
I had previously tried that. I put the isis priority on the hub to 100 and
on each spoke to zero. What I
got was one spoke seeing all routes, the other 2 spokes only seeing the
hub's routes. If that worked
for you I probably did something wrong. Thanks for
the reply.
Danny
----- Original Message -----
From: "Carlson, James" <james.m.carlson@mci.com>
To: "'Daniel Free'" <danrose111@earthlink.net>
Sent: Friday, May 02, 2003 9:17 AM
Subject: RE: ISIS Hub and Spoke over Frame-Relay NBMA
> Daniel,
> I would set the isis priority to zero on the spokes OR to some
> number greater than 1 on the hub. That's how I solved the issue. Now all
> spokes see all other spoke routes as expected. Personally, I think ISIS
is
> simply OSPF with less nerd knobs. Boy was that a bad statement. ;-)
> -- Jamie
>
> -----Original Message-----
> From: Daniel Free [mailto:danrose111@earthlink.net]
> Sent: Thursday, May 01, 2003 8:12 PM
> To: ccielab@groupstudy.com
> Subject: RE: ISIS Hub and Spoke over Frame-Relay NBMA
>
>
> Hi to All,
> I was too quick to delete the original email so I don't know
> who initially posted the question. But I setup the scenario
> in my home lab and the answer is yes, ISIS over NBMA
> hub and spoke will work. The problem stated that the hub
> could see all the spokes ISIS routes but the spokes could
> not see the other spokes ISIS routes. I played with changing
> the ISIS type on the hub, then on the spokes to no avail.
> The final answer was to have the hub originate a default route!!!! I could
> not
> find any documentation on this type of
> setup. Don't know if this is the proper solution but if this were a
> production
> setup it would work . The following is the
> scenario and the pertinent configs of each router.
> Danny
> R1 S0 (HUB)
> R2 S0 (SPOKE) R5 S0 (SPOKE) R6 S0 (SPOKE)
> hostname R1
>
> interface Loopback0
>
> ip address 150.150.101.1 255.255.255.0
>
> ip router isis
>
> !
>
> interface Ethernet0
>
> ip address 150.150.10.1 255.255.255.0
>
> ip router isis
>
> !
>
> interface Serial0
>
> ip address 150.150.30.1 255.255.255.248
>
> ip router isis
>
> encapsulation frame-relay
>
> no ip mroute-cache
>
> no fair-queue
>
> no arp frame-relay
>
> frame-relay map clns 102 broadcast
>
> frame-relay map clns 105 broadcast
>
> frame-relay map clns 106 broadcast
>
> frame-relay map ip 150.150.30.2 102 broadcast
>
> frame-relay map ip 150.150.30.5 105 broadcast
>
> frame-relay map ip 150.150.30.6 106 broadcast
>
> no frame-relay inverse-arp
>
> isis priority 100
>
> !
>
> router isis
>
> default-information originate
>
> net 47.0001.00e0.1ea9.9cdd.00
>
> !
>
> R1#sir
>
> Gateway of last resort is not set
>
> 150.150.0.0/16 is variably subnetted, 9 subnets, 2 masks
>
> C 150.150.10.0/24 is directly connected, Ethernet0
>
> i L1 150.150.20.0/24 [115/20] via 150.150.30.2, Serial0
>
> C 150.150.30.0/29 is directly connected, Serial0
>
> i L1 150.150.50.0/24 [115/20] via 150.150.30.5, Serial0
>
> i L1 150.150.60.0/24 [115/20] via 150.150.30.6, Serial0
>
> C 150.150.101.0/24 is directly connected, Loopback0
>
> i L1 150.150.102.0/24 [115/20] via 150.150.30.2, Serial0
>
> i L1 150.150.105.0/24 [115/20] via 150.150.30.5, Serial0
>
> i L1 150.150.106.0/24 [115/20] via 150.150.30.6, Serial0
>
> _______________________________________________________________
>
> hostname R2
>
> !
>
> interface Loopback0
>
> ip address 150.150.102.2 255.255.255.0
>
> ip router isis
>
> !
>
> interface Ethernet0
>
> ip address 150.150.20.2 255.255.255.0
>
> ip router isis
>
> !
>
> interface Serial0
>
> ip address 150.150.30.2 255.255.255.248
>
> ip router isis
>
> encapsulation frame-relay
>
> no arp frame-relay
>
> frame-relay map clns 201 broadcast
>
> frame-relay map ip 150.150.30.1 201 broadcast
>
> frame-relay map ip 150.150.30.5 201 broadcast
>
> frame-relay map ip 150.150.30.6 201 broadcast
>
> no frame-relay inverse-arp
>
> frame-relay lmi-type cisco
>
> !
>
> router isis
>
> net 47.0001.00e0.1ea9.6197.00
>
> !
>
> R2#sir
>
> Gateway of last resort is 150.150.30.1 to network 0.0.0.0
>
> 150.150.0.0/16 is variably subnetted, 5 subnets, 2 masks
>
> i L1 150.150.10.0/24 [115/20] via 150.150.30.1, Serial0
>
> C 150.150.20.0/24 is directly connected, Ethernet0
>
> C 150.150.30.0/29 is directly connected, Serial0
>
> i L1 150.150.101.0/24 [115/20] via 150.150.30.1, Serial0
>
> C 150.150.102.0/24 is directly connected, Loopback0
>
> i*L2 0.0.0.0/0 [115/10] via 150.150.30.1, Serial0
>
> _____________________________________________________________
>
> hostname R5
>
> !
>
> interface Loopback0
>
> ip address 150.150.105.5 255.255.255.0
>
> ip router isis
>
> !
>
> interface Ethernet0
>
> ip address 150.150.50.5 255.255.255.0
>
> ip router isis
>
> !
>
> interface Serial0
>
> ip address 150.150.30.5 255.255.255.248
>
> ip router isis
>
> encapsulation frame-relay
>
> no arp frame-relay
>
> frame-relay map clns 501 broadcast
>
> frame-relay map ip 150.150.30.1 501 broadcast
>
> frame-relay map ip 150.150.30.2 501 broadcast
>
> frame-relay map ip 150.150.30.6 501 broadcast
>
> no frame-relay inverse-arp
>
> frame-relay lmi-type cisco
>
> !
>
> router isis
>
> net 47.0001.0010.7b39.adf4.00
>
> !
>
> R5#sir
>
> Gateway of last resort is 150.150.30.1 to network 0.0.0.0
>
> 150.150.0.0/16 is variably subnetted, 5 subnets, 2 masks
>
> i L1 150.150.10.0/24 [115/20] via 150.150.30.1, Serial0
>
> C 150.150.30.0/29 is directly connected, Serial0
>
> C 150.150.50.0/24 is directly connected, Ethernet0
>
> i L1 150.150.101.0/24 [115/20] via 150.150.30.1, Serial0
>
> C 150.150.105.0/24 is directly connected, Loopback0
>
> i*L2 0.0.0.0/0 [115/10] via 150.150.30.1, Serial0
>
> ______________________________________________________________
>
> hostname R6
>
> !
>
> interface Loopback0
>
> ip address 150.150.106.6 255.255.255.0
>
> ip router isis
>
> !
>
> interface Ethernet0
>
> ip address 150.150.60.6 255.255.255.0
>
> ip router isis
>
> !
>
> interface Serial0
>
> ip address 150.150.30.6 255.255.255.248
>
> ip router isis
>
> encapsulation frame-relay
>
> no ip mroute-cache
>
> no fair-queue
>
> no arp frame-relay
>
> frame-relay map clns 601 broadcast
>
> frame-relay map ip 150.150.30.1 601 broadcast
>
> frame-relay map ip 150.150.30.2 601 broadcast
>
> frame-relay map ip 150.150.30.5 601 broadcast
>
> no frame-relay inverse-arp
>
> frame-relay lmi-type cisco
>
> !
>
> router isis
>
> net 47.0001.0060.7015.a5b2.00
>
> !
>
> R6#sir
>
> Gateway of last resort is 150.150.30.1 to network 0.0.0.0
>
> 150.150.0.0/16 is variably subnetted, 5 subnets, 2 masks
>
> i L1 150.150.10.0/24 [115/20] via 150.150.30.1, Serial0
>
> C 150.150.30.0/29 is directly connected, Serial0
>
> C 150.150.60.0/24 is directly connected, Ethernet0
>
> i L1 150.150.101.0/24 [115/20] via 150.150.30.1, Serial0
>
> C 150.150.106.0/24 is directly connected, Loopback0
>
> i*L2 0.0.0.0/0 [115/10] via 150.150.30.1, Serial0
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