From: Gustavo Novais (gustavo.novais@novabase.pt)
Date: Tue Sep 20 2005 - 08:38:45 GMT-3
Hello
I'm testing the funcionality of distribute-list commands.
I have three routers speaking OSPF and EIGRP according to the diagram
(R1)------OSPF-----(R2)------EIGRP-----(R3)
The route table of R2 is
R2#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS
inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.12.0/24 is directly connected, FastEthernet0/0
172.16.0.0/24 is subnetted, 1 subnets
O 172.16.0.0 [110/2] via 192.168.12.1, 00:09:35, FastEthernet0/0
172.21.0.0/24 is subnetted, 1 subnets
D 172.21.0.0 [90/156160] via 192.168.23.3, 00:10:11,
FastEthernet0/1
10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
D 10.0.3.0/24 [90/156160] via 192.168.23.3, 00:10:11,
FastEthernet0/1
C 10.0.2.2/32 is directly connected, Loopback0
O IA 10.0.0.0/24 [110/2] via 192.168.12.1, 00:09:36, FastEthernet0/0
C 192.168.23.0/24 is directly connected, FastEthernet0/1
150.50.0.0/16 is variably subnetted, 2 subnets, 2 masks
O 150.50.0.1/32 [110/2] via 192.168.12.1, 00:09:36,
FastEthernet0/0
D 150.50.3.0/24 [90/156160] via 192.168.23.3, 00:10:12,
FastEthernet0/1
R2#
I'm trying to filter some routes learned from EIGRP, so that they are
not propagated to OSPF, using distribute-list 1 out ospf 1 on eigrp
R2 config follows
router eigrp 1
network 192.168.23.0
distribute-list 1 out ospf 1
no auto-summary
!
router ospf 1
log-adjacency-changes
redistribute eigrp 1 subnets
network 192.168.12.0 0.0.0.255 area 0
!
!
access-list 1 deny 10.0.3.0 0.0.0.255
access-list 1 permit 150.50.3.0 0.0.0.255
!
The problem is that all routes are passing, where they shouldn't. I
don't see any match on ACL's
R2#sh access-lists
Standard IP access list 1
10 deny 10.0.3.0, wildcard bits 0.0.0.255
20 permit 150.50.3.0, wildcard bits 0.0.0.255
And on R1 I see all routes
R1#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS
inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.12.0/24 is directly connected, FastEthernet0/0
172.16.0.0/24 is subnetted, 1 subnets
C 172.16.0.0 is directly connected, Loopback1
172.21.0.0/24 is subnetted, 1 subnets
O E2 172.21.0.0 [110/20] via 192.168.12.2, 00:14:01, FastEthernet0/0
10.0.0.0/24 is subnetted, 2 subnets
O E2 10.0.3.0 [110/20] via 192.168.12.2, 00:14:01, FastEthernet0/0
C 10.0.0.0 is directly connected, Loopback0
O E2 192.168.23.0/24 [110/20] via 192.168.12.2, 00:14:01,
FastEthernet0/0
150.50.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 150.50.0.1/32 is directly connected, Loopback2
O E2 150.50.3.0/24 [110/20] via 192.168.12.2, 00:14:02,
FastEthernet0/0
R1#
I think I'm missing something, not understanding the purpose of the
command or then encountered a bug.
Any comments will be appreciated
TIA
Gustavo
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