From: haducbinh (haducbinh@vnpro.org)
Date: Tue Sep 05 2006 - 01:30:40 ART
Dear group!
IE Vol2, chapter 1, section 3.2. I configure area 38 is: area 38 nssa
no-summary no-redistribution. In router 3 I see the route to loopback0 of
SW2, but in another Router OSPF (for example: R2) I don't see the route to
loopback0 of SW2. I reload all router and switch but the problem still
happen!
And a strange thing is when I type command: "area 38 nssa" again in router
ospf mode of SW2, all router OSPF see route to Loopback0 of SW2, but when I
reload all router and switch, the problem occur again, it's mean another
router ospf don't see the route to loopback0 of SW2 but R3!
I meet this problem one more time before!
Please explain this situation for me!
Thank you!
This is routing table of R3:
..
150.1.0.0/16 is variably subnetted, 8 subnets, 2 masks
O E2 150.1.7.0/24 [110/20] via 158.1.37.7, 00:03:17, FastEthernet0/1
O E2 150.1.6.0/24 [110/20] via 158.1.123.2, 00:03:17, Serial0/2/0
D 150.1.5.0/24 [90/2713700] via 158.1.0.5, 00:28:34, Virtual-Access2
D 150.1.4.0/24 [90/2713700] via 158.1.0.4, 00:28:28, Virtual-Access1
C 150.1.3.0/24 is directly connected, Loopback0
O 150.1.2.2/32 [110/65] via 158.1.123.2, 00:04:03, Serial0/2/0
O 150.1.1.1/32 [110/65] via 158.1.123.1, 00:04:03, Serial0/2/0
O N2 150.1.8.0/24 [110/20] via 158.1.38.8, 00:03:17, FastEthernet0/0
..
This is routing table of R2:
..
150.1.0.0/16 is variably subnetted, 7 subnets, 2 masks
R 150.1.7.0/24 [120/2] via 158.1.26.6, 00:00:09, FastEthernet0/0
R 150.1.6.0/24 [120/1] via 158.1.26.6, 00:00:09, FastEthernet0/0
O E2 150.1.5.0/24 [110/20] via 158.1.123.3, 00:04:45, Serial0/1/0
O E2 150.1.4.0/24 [110/20] via 158.1.123.3, 00:04:45, Serial0/1/0
C 150.1.2.0/24 is directly connected, Loopback0
O 150.1.3.3/32 [110/65] via 158.1.123.3, 00:28:47, Serial0/1/0
O 150.1.1.1/32 [110/65] via 158.1.123.1, 00:28:47, Serial0/1/0
..
This is configuration of R3:
Rack1R3#sh run | begin router os
router ospf 1
router-id 150.1.3.3
log-adjacency-changes
area 38 nssa no-redistribution no-summary
redistribute eigrp 10 subnets route-map RM_39
network 150.1.3.3 0.0.0.0 area 0
network 158.1.37.3 0.0.0.0 area 37
network 158.1.38.3 0.0.0.0 area 38
network 158.1.123.3 0.0.0.0 area 0
neighbor 158.1.123.1
neighbor 158.1.123.2
!
This is configuration of SW2:
Rack1SW2#sh run | begin router os
router ospf 1
router-id 150.1.8.8
log-adjacency-changes
area 38 nssa
redistribute connected subnets route-map RM_32
network 158.1.38.8 0.0.0.0 area 38
!
route-map RM_32 permit 10
match interface Loopback0
!
HaDucBinh
Mail: haducbinh@vnpro.org or haducbinh@yahoo.com
Phone: 0908 191 322
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