From: cadet (cadet22@gmail.com)
Date: Sun Nov 26 2006 - 10:27:47 ART
Hi GROUP,
I have problem with OSPF ABR Type 3 LSA Filtering.
I want on R5 block all LSA 3 (IA O) routes from area 1.
R3 = ABR area1 and area0
R5 = area0
R3
router ospf 1
area 1 filter-list prefix test44 out
ip prefix-list test44 seq 10 deny 0.0.0.0/0 le 32
R5
router ospf 1
area 0 filter-list prefix test44 in
ip prefix-list test44 seq 10 deny 0.0.0.0/0 le 32
But on R5 I have:
r5#sh ip route ospf
10.0.0.0/8 is variably subnetted, 10 subnets, 3 masks
O E1 10.10.11.0/24 [110/125] via 14.14.30.3, 00:03:18, Virtual-Access1
O E1 10.10.12.0/24 [110/125] via 14.14.30.3, 00:03:18, Virtual-Access1
O E1 10.10.13.0/24 [110/125] via 14.14.30.3, 00:03:18, Virtual-Access1
O E1 10.10.14.0/24 [110/125] via 14.14.30.3, 00:03:18, Virtual-Access1
O E1 10.10.15.0/24 [110/125] via 14.14.30.3, 00:03:18, Virtual-Access1
O E1 10.10.16.0/24 [110/125] via 14.14.30.3, 00:03:18, Virtual-Access1
O E2 10.10.20.0/22 [110/50] via 14.14.30.3, 00:03:18, Virtual-Access1
O E2 10.10.24.0/24 [110/50] via 14.14.30.3, 00:03:18, Virtual-Access1
O E2 10.10.25.0/24 [110/50] via 14.14.30.3, 00:03:18, Virtual-Access1
14.0.0.0/8 is variably subnetted, 17 subnets, 2 masks
O IA 14.14.8.8/32 [110/76] via 14.14.30.3, 00:03:18, Virtual-Access1
O IA 14.14.7.7/32 [110/67] via 14.14.30.3, 00:03:18, Virtual-Access1
O 14.14.6.6/32 [110/67] via 14.14.30.3, 00:03:18, Virtual-Access1
O 14.14.3.3/32 [110/2] via 14.14.30.3, 00:03:19, Virtual-Access1
O IA 14.14.2.2/32 [110/130] via 14.14.30.3, 00:03:19, Virtual-Access1
O 14.14.1.1/32 [110/66] via 14.14.30.3, 00:03:19, Virtual-Access1
O E1 14.14.4.0/24 [110/125] via 14.14.30.3, 00:03:19, Virtual-Access1
O IA 14.14.10.0/24 [110/129] via 14.14.30.3, 00:03:19, Virtual-Access1
O 14.14.20.0/24 [110/66] via 14.14.30.3, 00:03:19, Virtual-Access1
O IA 14.14.40.0/24 [110/66] via 14.14.30.3, 00:03:19, Virtual-Access1
O IA 14.14.50.0/24 [110/75] via 14.14.30.3, 00:03:19, Virtual-Access1
O E2 14.14.60.0/24 [110/50] via 14.14.30.3, 00:03:19, Virtual-Access1
O E1 14.14.70.0/24 [110/125] via 14.14.30.3, 00:03:21, Virtual-Access1
O E2 14.14.100.0/24 [110/50] via 14.14.30.3, 00:03:21, Virtual-Access1
Among them:
r5#sh ip ospf database summary
OSPF Router with ID (14.14.5.5) (Process ID 1)
Summary Net Link States (Area 0)
Routing Bit Set on this LSA
LS age: 2 (DoNotAge)
Options: (No TOS-capability, DC, Upward)
LS Type: Summary Links(Network)
Link State ID: 14.14.2.2 (summary Network Number)
Advertising Router: 14.14.1.1
LS Seq Number: 80000001
Checksum: 0x902D
Length: 28
Network Mask: /32
TOS: 0 Metric: 65
Routing Bit Set on this LSA
LS age: 2 (DoNotAge)
Options: (No TOS-capability, DC, Upward)
LS Type: Summary Links(Network)
Link State ID: 14.14.7.7 (summary Network Number)
Advertising Router: 14.14.2.2
LS Seq Number: 80000001
Checksum: 0xA14F
Length: 28
Network Mask: /32
TOS: 0 Metric: 2
Routing Bit Set on this LSA
LS age: 13 (DoNotAge)
Options: (No TOS-capability, DC, Upward)
LS Type: Summary Links(Network)
Link State ID: 14.14.8.8 (summary Network Number)
Advertising Router: 14.14.2.2
LS Seq Number: 80000001
Checksum: 0xE6FE
Length: 28
Network Mask: /32
TOS: 0 Metric: 11
Routing Bit Set on this LSA
LS age: 1605 (DoNotAge)
Options: (No TOS-capability, DC, Upward)
LS Type: Summary Links(Network)
Link State ID: 14.14.10.0 (summary Network Number)
Advertising Router: 14.14.1.1
LS Seq Number: 80000007
Checksum: 0x367C
Length: 28
Network Mask: /24
TOS: 0 Metric: 64
Routing Bit Set on this LSA
LS age: 2 (DoNotAge)
Options: (No TOS-capability, DC, Upward)
LS Type: Summary Links(Network)
Link State ID: 14.14.40.0 (summary Network Number)
Advertising Router: 14.14.2.2
LS Seq Number: 80000015
Checksum: 0x497A
Length: 28
Network Mask: /24
TOS: 0 Metric: 1
Routing Bit Set on this LSA
LS age: 13 (DoNotAge)
Options: (No TOS-capability, DC, Upward)
LS Type: Summary Links(Network)
Link State ID: 14.14.50.0 (summary Network Number)
Advertising Router: 14.14.2.2
LS Seq Number: 80000001
Checksum: 0x5D67
Length: 28
Network Mask: /24
TOS: 0 Metric: 10
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