RE: Ospf area range Command

From: Emenike Agbim (emenike.agbim@xxxxxxxxxxxx)
Date: Thu Dec 13 2001 - 18:53:55 GMT-3


   
When I configure Ospf area range command, the specific addresses which I
have summarized are sent to the neighbor router within the same area? This
behavior is revealed both when "....advertised" and ".....not advertised" is
used with the "area range ...." command. Why? See config below

Router A
interface Loopback20
 ip address 10.0.0.1 255.255.0.0
 no ip directed-broadcast
!
interface Loopback21
 ip address 10.1.0.1 255.255.0.0
 no ip directed-broadcast
!
interface Loopback22
 ip address 10.2.0.1 255.255.0.0
 no ip directed-broadcast
!
interface Loopback23
 ip address 10.3.0.1 255.255.0.0
 no ip directed-broadcast
!
interface Loopback24
 ip address 10.4.0.1 255.255.0.0
 no ip directed-broadcast
!
interface Loopback25
 ip address 10.5.0.1 255.255.0.0
 no ip directed-broadcast
!
interface Loopback26
 ip address 10.6.0.1 255.255.0.0
 no ip directed-broadcast
!
interface Loopback27
 ip address 10.7.0.1 255.255.0.0
 no ip directed-broadcast

area 192.168.10.0 range 10.0.0.0 255.248.0.0 not-advertise

Router B show ip route
O 10.3.0.1 [110/2] via 192.168.10.1, 00:03:04, FastEthernet0/0
O 10.2.0.1 [110/2] via 192.168.10.1, 00:03:06, FastEthernet0/0
O 10.1.0.1 [110/2] via 192.168.10.1, 00:03:06, FastEthernet0/0
O 10.0.0.1 [110/2] via 192.168.10.1, 00:03:06, FastEthernet0/0
O 10.7.0.1 [110/2] via 192.168.10.1, 00:03:06, FastEthernet0/0
O 10.6.0.1 [110/2] via 192.168.10.1, 00:03:06, FastEthernet0/0
O 10.5.0.1 [110/2] via 192.168.10.1, 00:03:06, FastEthernet0/0
O 10.4.0.1 [110/2] via 192.168.10.1, 00:03:06, FastEthernet0/0

Thanks for your response

Emenike Agbim, PE, CCNP
Network Engineer
Adelphia Business Solution
(814) 260 3123
emenike.agbim@adelphia.com <mailto:emenike.agbim@adelphia.com>



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