further to the route-map for feedback prevention

From: Connary, Julie Ann (jconnary@xxxxxxxxx)
Date: Thu Dec 28 2000 - 18:57:06 GMT-3


   
I dug this one out of the archives. Today I experienced exactly this
problem and had to
change my route-map access lists so that this would not happen at my
redistribution point.

Just more food for thought and discussion on the topic.

Julie Ann
>From: "damien" <damien@clara.co.uk>
>To: "Granofsky, Aaron" <AGranofsky@bns.nec.com>, <ccielab@groupstudy.com>
>Subject: Re: Area 0 interface in OSPF db as Type 5 LSA??
>Date: Sun, 15 Oct 2000 10:47:30 -0000
>X-Mailer: Microsoft Outlook Express 5.00.2919.6600
>Sender: nobody@groupstudy.com
>Reply-To: "damien" <damien@clara.co.uk>
>
>Distribute lists out don't work in OSPF....only distribute lists in work
>on the Router they are configured on. However they will only stop the
>route from entering the routing table, the LSA will still appear and be
>forwarded............
>
>The Type 5 is there because you have the same interface under the the
>EIGRP process which is being redistributed and will appear as a type 5......
>----- Original Message -----
>From: <mailto:AGranofsky@bns.nec.com>Granofsky, Aaron
>To: <mailto:ccielab@groupstudy.com>ccielab@groupstudy.com
>Sent: Sunday, October 15, 2000 2:01 AM
>Subject: Area 0 interface in OSPF db as Type 5 LSA??
>
>After redistributing OSPF/EIGRP, my serial interface (OSPF Area 0) shows
>up as a Type 5 LSA.
>
>What am I missing?
>
>Distribute lists into OSPF don't seem to work.
>
>r2#sh ip os da
>
> OSPF Router with ID (170.10.25.2) (Process ID 1)
>
><snip>
> Type-5 AS External Link States
>
>Link ID ADV Router Age Seq# Checksum Tag
>170.10.1.0 170.10.25.2 443 0x80000001 0xDF0 0
>
>here's the config:
>!
>interface Loopback0
> ip address 170.10.25.2 255.255.255.0
> no ip directed-broadcast
>!
>interface FastEthernet0/0
> ip address 170.10.26.2 255.255.255.192
> no ip directed-broadcast
>!
>interface Serial0/0
> ip address 170.10.1.2 255.255.255.240
> no ip directed-broadcast
> encapsulation frame-relay
> ip ospf network point-to-multipoint
> no ip mroute-cache
> cdp enable
> frame-relay map ip 170.10.1.3 201 broadcast
> frame-relay map ip 170.10.1.5 201 broadcast
> frame-relay lmi-type ansi
>!
>interface BRI0/0
> bandwidth 64
> ip address 170.10.2.2 255.255.255.0
> no ip directed-broadcast
> encapsulation ppp
> dialer idle-timeout 20
> dialer map ip 170.10.2.3 name r3 broadcast 5554111
> dialer load-threshold 1 either
> dialer-group 1
> isdn switch-type basic-5ess
> ppp authentication chap
> ppp multilink
>!
>router eigrp 1
> redistribute ospf 1
> passive-interface Serial0/0
> passive-interface BRI0/0
> network 170.10.0.0
> default-metric 1544 100 255 1 1500
> distribute-list 4 out ospf 1
> distribute-list 2 in
> no auto-summary
>!
>router ospf 1
> summary-address 170.10.26.0 255.255.255.0
> redistribute eigrp 1 subnets route-map redis
> network 170.10.1.0 0.0.0.255 area 0
> network 170.10.2.0 0.0.0.255 area 0
> default-metric 64
> distribute-list 3 in
>!
>access-list 1 permit 170.10.2.0 0.0.0.255
>access-list 2 permit 170.10.25.0 0.0.0.255
>access-list 2 permit 170.10.26.0 0.0.0.255
>access-list 2 deny any log
>access-list 3 deny 170.10.25.0 0.0.0.255 log
>access-list 3 deny 170.10.26.0 0.0.0.255 log
>access-list 3 permit any
>access-list 4 deny 170.10.1.0 log
>access-list 4 deny 170.10.1.0 0.0.0.15 log
>access-list 4 deny 170.10.1.0 0.0.0.255 log
>access-list 4 permit any
>dialer-list 1 protocol ip permit
>route-map redis deny 10
> match ip address 1
>!
>route-map redis permit 20
>!
>!

------------------------------------------------------------------------
                                         Julie Ann Connary
           | | Network Consulting Engineer
          ||| ||| Federal Support Program
        .|||||. .|||||. 13635 Dulles Technology Drive,
Herndon VA 20171
      .:|||||||||:.:|||||||||:. Pager: 1-888-642-0551
     c i s c o S y s t e m s Email: jconnary@cisco.com

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