From: NITIN NITIN (ccie_study_123@yahoo.com)
Date: Wed Aug 15 2007 - 04:32:56 ART
Hi ,
I tried one thing ---
Rack1R5#sh ip ospf interface b
Interface PID Area IP Address/Mask Cost State Nbrs F/C
Fa1/0 1 0 137.1.58.5/24 1 DR 1/1
Lo0 1 0 150.1.5.5/24 1 LOOP 0/0
Se2/0.2 1 0 137.1.25.5/24 64 P2P 1/1<<COST 64
Rack1R5(config)#interface serial 2/0.2
Rack1R5(config-subif)#ip ospf cost 1
Rack1R5(config-subif)#^Z
Rack1R5#sh ip ospf interface b
Interface PID Area IP Address/Mask Cost State Nbrs F/C
Fa1/0 1 0 137.1.58.5/24 1 DR 1/1
Lo0 1 0 150.1.5.5/24 1 LOOP 0/0
Se2/0.2 1 0 137.1.25.5/24 1 P2P 1/1<<<<COST 1
Rack1R5#sh ip route ospf
137.1.0.0/16 is variably subnetted, 7 subnets, 2 masks
O 137.1.28.0/24 [110/2] via 137.1.25.2, 00:00:01, Serial2/0.2
150.1.0.0/16 is variably subnetted, 3 subnets, 2 masks
O 150.1.8.8/32 [110/2] via 137.1.58.8, 00:00:01, FastEthernet1/0
O 150.1.2.2/32 [110/2] via 137.1.25.2, 00:00:01, Serial2/0.1
WHEN SERIAL HAS COST MORE THAN OF ETHER , routes FOILTERED ON ETHERNER
dont come via SERIAL..... ?????
NITIN NITIN <ccie_study_123@yahoo.com> wrote:
Hi Group,
I'm again struck ,,, :)
I'm doing filtering on a router R5
Flteing some routes via R5 ----
i see routes filted but they dont come in routing table via R2 altought in
OSPF database table??????
all router OSPF AREA 0 configured
R5 Fa1/0 --------SW2------R2
| |
SE2/0.1 p-2-p Ser 2/0
| |
======================
Rack1R5
FastEthernet0/0 204.12.1.5
FastEthernet1/0 137.1.58.5
Serial2/0 unassigned
Serial2/0.1 137.1.15.5
Serial2/0.2 137.1.25.5
Serial2/0.4 137.1.45.5
Loopback0 150.1.5.5
R5----
router ospf 1
router-id 150.1.5.5
log-adjacency-changes
network 137.1.25.5 0.0.0.0 area 0
network 137.1.58.5 0.0.0.0 area 0
network 150.1.5.5 0.0.0.0 area 0
distribute-list 111 in FastEthernet1/0
!
ip classless
no ip http server
!
!
access-list 111 deny ip host 137.1.58.8 137.1.28.0 0.0.0.255
access-list 111 deny ip host 137.1.58.8 150.1.2.0 0.0.0.255
access-list 111 permit ip any any
Rack1R5# sh ip route ospf
150.1.0.0/16 is variably subnetted, 2 subnets, 2 masks
O 150.1.8.8/32 [110/2] via 137.1.58.8, 00:02:37, FastEthernet1/0
Rack1R5#sh ip ospf database
OSPF Router with ID (150.1.5.5) (Process ID 1)
Router Link States (Area 0)
Link ID ADV Router Age Seq# Checksum Link count
150.1.2.2 150.1.2.2 949 0x80000005 0x00E28D 4<<
150.1.5.5 150.1.5.5 170 0x80000008 0x0025F3 4
150.1.8.8 150.1.8.8 171 0x80000008 0x00B66C 3
Net Link States (Area 0)
Link ID ADV Router Age Seq# Checksum
137.1.28.2 150.1.2.2 949 0x80000001 0x008A28<<<
137.1.58.8 150.1.8.8 171 0x80000001 0x00D5A6<<<<
Rack1R5#
Rack1R2#sh ip ospf interface brief
Interface PID Area IP Address/Mask Cost State Nbrs F/C
Lo0 1 0 150.1.2.2/24 1 LOOP 0/0
Fa0/0 1 0 137.1.28.2/24 1 DR 1/1
Se2/0 1 0 137.1.25.2/24 64 P2P 1/1
Rack1SW2#sh ip ospf interface brief
Interface PID Area IP Address/Mask Cost State Nbrs F/C
Fa1/5 1 0 137.1.58.8/24 1 DR 1/1
Vl28 1 0 137.1.28.8/24 1 BDR 1/1
Lo0 1 0 150.1.8.8/24 1 LOOP 0/0
Rack1R5#sh ip ospf interface brief
Interface PID Area IP Address/Mask Cost State Nbrs F/C
Fa1/0 1 0 137.1.58.5/24 1 BDR 1/1
Lo0 1 0 150.1.5.5/24 1 LOOP 0/0
Se2/0.2 1 0 137.1.25.5/24 64 P2P 1/1
WHEN I SHUT THE INTERFACE TO SW2 ------
I get routes
Rack1R5#sh ip route ospf
150.1.0.0/16 is variably subnetted, 2 subnets, 2 masks
O 150.1.8.8/32 [110/2] via 137.1.58.8, 00:08:08, FastEthernet1/0
Rack1R5#conf t
Rack1R5(config)#int fa 1/0
Rack1R5(config-if)#shutdown
Rack1R5(config-if)#^Z
Rack1R5#sh ip route ospf
137.1.0.0/16 is variably subnetted, 7 subnets, 2 masks
O 137.1.28.0/24 [110/65] via 137.1.25.2, 00:00:00, Serial2/0.2
O 137.1.58.0/24 [110/66] via 137.1.25.2, 00:00:00, Serial2/0.2
150.1.0.0/16 is variably subnetted, 3 subnets, 2 masks
O 150.1.8.8/32 [110/66] via 137.1.25.2, 00:00:00, Serial2/0.2
O 150.1.2.2/32 [110/65] via 137.1.25.2, 00:00:00, Serial2/0.2
PLEASE ADVISE AND HELP AS YOU U ALL ALWAYS DO ????
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