From: Hazel Gachoka (hgachoka@xxxxxxxxx)
Date: Tue Sep 05 2000 - 20:12:16 GMT-3
John,
Make sure when you redistribute OSPF into BGP, you DO NOT match the external
routes, also on your ISDN interface, use no peer neighbor-route as Thounda
pointed out. I made these changes in my lab and it worked!!!!!!
Hazel
At 11:20 AM 9/3/00 -0400, Thounda Craig, Jr wrote:
>
> I know the feeling. I researched Daniel's reply and found the following:
> -----------------------------------------------------------------------
> The Cisco IOS software automatically creates neighbor routes by default; that
> is, it automatically sets up a route to the peer address on a point-to-point
> interface when the PPP IPCP negotiation is completed.
>
> To disable this default behavior or to reenable it after it has been
> disabled, use the following commands in interface configuration mode:
>
> Command: Purpose:
> no peer neighbor-route Disable creation of neighbor routes.
> peer neighbor-route Reenable creation of neighbor routes.
> --------------------
>
> May work? Let us know.
>
> brgds,
> Thounda
>
>
>
>>
>> ----- Original Message -----
>> From: <mailto:jkconzone@home.com>John Conzone
>> To: <mailto:hjcgroup@mindspring.com>Thounda Craig, Jr ;
>> <mailto:ccielab@groupstudy.com>ccielab
>> Sent: Sunday, September 03, 2000 11:02 AM
>> Subject: Re: OSPF------->BGP---------->OSPF---------->
>> ARGHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!
>>
>> To, that works fine if I don't do redistributon. At thsi point I'm going
>> to move on and finish the rst of the lab. No matter what I tried I couldn't
>> stop the external LSA from being generated and bringing up the link. I'm
>> going to work on mutal redistribution this week on my personal lab.
>> I have about 16 more type 5 lsa in my database that shouldn't be there.
>> They're againg out, though. It was working fine until the damn ISDN link. A
>> pox on Lab 8!!!!!!!!!
>> I have totally F*&#ed up the routing on this lab. I was good until the
>> ISDN link. Two weeks and back to feeling like I don't know squat!!!
>> ----- Original Message -----
>> From: <mailto:hjcgroup@mindspring.com>Thounda Craig, Jr
>> To: <mailto:jkconzone@home.com>John Conzone ;
>> <mailto:ccielab@groupstudy.com>ccielab
>> Sent: Sunday, September 03, 2000 11:01 AM
>> Subject: Re: OSPF------->BGP---------->OSPF---------->
>> ARGHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!
>>
>> Place "ip ospf demand-circuit" on one end of the link (possibly the
>> hub-side).
>> This command suppress the DNA bits.
>>
>> * OSPF over demand circuits should not be implemented across a broadcast
>> medium.
>> Reason: the Hello packets cannot be suppressed; keeping the link UP.
>>
>> Note: You should only use this command within stub, totally stubby, or NSSA
>> areas. Although, non-stub areas can support it, keeping it within one area
>> minimizes the number of changed LSAs received as the result of topology
>> changes in other areas and hence prevents excess uptime of the demand
>> circuit.
>> (ref: "Routing TCP/IP" by Jeff Doyle; p. 565-567)
>>
>> brds,
>> Thounda Craig
>> ----- Original Message -----
>> From: <mailto:jkconzone@home.com>John Conzone
>> To: <mailto:ccielab@groupstudy.com>ccielab
>> Sent: Sunday, September 03, 2000 9:33 AM
>> Subject: OSPF------->BGP---------->OSPF---------->
>> ARGHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!
>>
>> I am having trouble keeping my ISDN line quiet because of external LSA
>> being generated when I redistribute OSPF int BGP and then back into OSPF.
>> No matter what type of list I try, I can't seem to stop the ISDN line
>> coming up. As soon as the ISDN link comes down, OSPF generates a message
>> which is redistributed into BGP which comes back into OSPF as an external
>> announcement and brings up the line. (at least I think thats whats
>> happening.)
>> I looked in the archives and have found some references to this saying
>> use passive interface or distribute list, but distribute list won't work for
>> me (probaly becsue I;m not applying properly), and I need this link to
>> operate normally so I can't use passive.
>> Besides not doing a redistribution loop (which is part of the lab
>> requirement so I have to) what am I doing wrong?
>> Thanks!
>>
>> r6#
>> OSPF: Generate external LSA 137.20.224.5, mask 255.255.255.255, type 5,
>> age 0, m
>> etric 20, seq 0x80000009
>> %ISDN-6-CONNECT: Interface BRI0:1 is now connected to 4930624
>> r5
>
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