Redist. Eigrp into OSPF with route map blocking connected

From: Troy (ta_levin@yahoo.com)
Date: Fri Oct 03 2003 - 00:21:39 GMT-3

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I am confused as to why a route map designed to block all connected interfaces except the lo 0
would prevent a network specified under the EIGRP process from being redistributed into OSPF
I am missing something fundamental. I would think that since fa 0/1 it is a part of the EIGRP
process then it would be redistributed into OSPF even though a route map may block the connected
interface. Is this incorrect?

This config works:
interface Loopback0
 ip address 172.16.103.1 255.255.255.255
interface FastEthernet0/1
 ip address 172.16.35.3 255.255.255.0
 duplex auto
 speed auto
router eigrp 100
 network 172.16.35.0 0.0.0.255
 no auto-summary
!
router ospf 1
 log-adjacency-changes
 redistribute eigrp 100 subnets tag 100
 network 172.16.123.0 0.0.0.255 area 0

                Type-5 AS External Link States
Link ID ADV Router Age Seq# Checksum Tag
172.16.20.0 172.16.102.1 1455 0x80000010 0x007AA9 120
172.16.35.0 172.16.103.1 20 0x80000001 0x0082B4 100
172.16.105.0 172.16.103.1 1617 0x80000001 0x0080EF 100
172.16.120.0 172.16.102.1 1456 0x80000010 0x002A95 120
The 172.16.35.0 is redistributed correctly
 
However why is the same network blocked with this config?

this config fails to redistribute lo 0:
interface Loopback0
 ip address 172.16.103.1 255.255.255.255

interface FastEthernet0/1
 ip address 172.16.35.3 255.255.255.0
 duplex auto
 speed auto
router eigrp 100
 network 172.16.35.0 0.0.0.255
 no auto-summary
!
router ospf 1
 log-adjacency-changes
 redistribute connected subnets route-map advertiselo0
 redistribute eigrp 100 subnets tag 100
 network 172.16.123.0 0.0.0.255 area 0
!
access-list 1 permit 172.16.103.1
route-map advertiselo0 permit 10
 match ip address 1

                Type-5 AS External Link States
Link ID ADV Router Age Seq# Checksum Tag
172.16.20.0 172.16.102.1 1670 0x80000010 0x007AA9 120
172.16.103.1 172.16.103.1 33 0x80000001 0x007ADB 0
172.16.105.0 172.16.103.1 1832 0x80000001 0x0080EF 100
172.16.120.0 172.16.102.1 1671 0x80000010 0x002A95 120

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• Next message: Asep Ruhimat: "RE: OSPF idiot infront of the router ..."
• Previous message: Snow, Tim: "A little motivation"
• Next in thread: Brian Dennis: "RE: Redist. Eigrp into OSPF with route map blocking connected"
• Maybe reply: Brian Dennis: "RE: Redist. Eigrp into OSPF with route map blocking connected"
• Maybe reply: kasturi cisco: "RE: Redist. Eigrp into OSPF with route map blocking connected"
• Maybe reply: Brian Dennis: "RE: Redist. Eigrp into OSPF with route map blocking connected"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]

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