From: Olugbenga Adanlawo (gbengaadan@hotmail.com)
Date: Tue Mar 25 2008 - 21:15:23 ART
Hi Steve,
Do you have the constrains of the hub network type to be p2p and no mapping
between hubs? If not change the network type on the hub to p2mp or create a
FR mapping.
With the two above constrains, what i can think of is to use PPPoFR and run
OSPF on the virtual template.
Regards
Gbenga
--------------------------------------------------
From: <steveaggie@gmail.com>
Sent: Wednesday, March 26, 2008 12:34 AM
To: "'Sadiq Yakasai'" <sadiqtanko@gmail.com>; "Bob Sinclair"
<bob@bobsinclair.net>
Cc: "Cisco certification" <ccielab@groupstudy.com>
Subject: RE: OSPF point-to-multipoint
> Ok here are the configs, but this time R2 and R4 are spokes and R5 is the
> hub.
>
> ===========R2======================
> interface Serial1/0
> ip address 140.1.245.2 255.255.255.0
> encapsulation frame-relay
> ip ospf network point-to-point
> serial restart-delay 0
> frame-relay map ip 140.1.245.5 205 broadcast
> no frame-relay inverse-arp
>
> show ip route:
> C 140.1.245.0/24 is directly connected, Serial1/0
> O 140.1.245.5/32 [110/64] via 140.1.245.5, 01:32:08, Serial1/0
>
> Rack1R2#ping 140.1.245.5
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 140.1.245.5, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 8/52/96 ms
> Rack1R2#ping 140.1.245.4
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 140.1.245.4, timeout is 2 seconds:
> .....
> Success rate is 0 percent (0/5)
>
> ==========R5====================
> interface Serial1/0
> ip address 140.1.245.5 255.255.255.0
> encapsulation frame-relay
> ip ospf network point-to-multipoint
> ip ospf hello-interval 10
> serial restart-delay 0
> frame-relay map ip 140.1.245.2 502 broadcast
> frame-relay map ip 140.1.245.4 504 broadcast
> no frame-relay inverse-arp
>
> show ip route (omitted extra junk):
> C 140.1.245.0/24 is directly connected, Serial1/0
>
> Rack1R5#ping 140.1.245.2
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 140.1.245.2, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 12/42/84 ms
> Rack1R5#ping 140.1.245.4
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 140.1.245.4, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 8/113/324 ms
>
> =============R4================
> interface Serial1/0
> ip address 140.1.245.4 255.255.255.0
> encapsulation frame-relay
> ip ospf network point-to-point
> serial restart-delay 0
> frame-relay map ip 140.1.245.5 405 broadcast
> no frame-relay inverse-arp
>
> show ip route (omitted extra junk):
> C 140.1.245.0/24 is directly connected, Serial1/0
> O 140.1.245.5/32 [110/64] via 140.1.245.5, 01:36:05, Serial1/0
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 140.1.245.5, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 80/199/296 ms
> Rack1R4#ping 140.1.245.2
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 140.1.245.2, timeout is 2 seconds:
> .....
> Success rate is 0 percent (0/5)
>
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