From: Kyle Galusha (kgalusha@xxxxxxxxx)
Date: Wed Sep 13 2000 - 10:51:27 GMT-3
It is likely LSAs bringing the line up, not hellos. As Kevin points out, unexpe
cted redistribution is normally the cause (either from other routing protocols
or connected interfaces like the BRI itself). Seems we see this question quit
e a bit on this list.
Best regards,
Kyle
At 09:20 PM 9/12/2000 -0700, Kevin Baumgartner wrote:
> If you have a lot of changes in OSPF Topology the OSPF hello packets
>will be sent across the OSPF demand circuit and the ISDN line will
>always be up. Try doing a 'debug ip ospf adj" to see what's happening.
>
> Are you doing any redistribution?
>
> Kevin
>
>>
>> The problem I have is if the demand circuit is not in area 0, the line
>> always be activited by OSPF hello packet. I can see the hello packet has
>> been suppressed when I do "show ip ospf int bri 0". But the line always be
>> up and can't keep quiet for a while. Move it to area 0, I can see the isdn
>> demand line keep quiet and just be activated on demand. Is this the way that
>> ISDN demand circuit works with non-backbone area??? How can I verify this???
>>
>> Thanks again,
>> Rena
>>
>>
>> >From: "Feliz, Edgar" <Edgar.Feliz@BTNA.com>
>> >Reply-To: "Feliz, Edgar" <Edgar.Feliz@BTNA.com>
>> >To: Lachlan_Kidd@data3.com.au, aiqun hu <huaq@hotmail.com>
>> >CC: ccielab@groupstudy.com
>> >Subject: RE: OSPF demand-circuit over OSPF no backbone area
>> >Date: Tue, 12 Sep 2000 18:01:06 -0400
>> >
>> >That is not correct, it does work even if you are not in area 0. In the
>> >case
>> >of the CCBOOTCAMP labs I was able to make mine work fine.
>> >
>> >EF
>> >
>> >-----Original Message-----
>> >From: Lachlan_Kidd@data3.com.au [mailto:Lachlan_Kidd@data3.com.au]
>> >Sent: Tuesday, September 12, 2000 2:54 AM
>> >To: aiqun hu
>> >Cc: ccielab@groupstudy.com
>> >Subject: Re: OSPF demand-circuit over OSPF no backbone area
>> >
>> >
>> >
>> >Hi Rena,
>> > I haven't tried this myself, but in the bootcamp labs, mention is
>> >made
>> >to the effect that it (the on demand circuit) does not work if you are not
>> >in area 0.
>> >Lachlan
>> >
>> >
>> >
>> >
>> > "aiqun hu"
>> >
>> > <huaq@hotmail To: ccielab@groupstudy.com
>> >
>> > .com> cc:
>> >
>> > Sent by: Subject: OSPF demand-circuit
>> >over OSPF no backbone area
>> > nobody@groups
>> >
>> > tudy.com
>> >
>> >
>> >
>> >
>> >
>> > 12/09/00
>> >
>> > 01:35 PM
>> >
>> > Please
>> >
>> > respond to
>> >
>> > "aiqun hu"
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >Hello guys,
>> >
>> >Tested OSPF demand circuit in my lab. But I can't make the demand circuit
>> >over no backbone area(not area 0) working. Changed it to area 0, it
>> >works!!!! Is there any specific command I should do for non backbone
>> >area???
>> >How about demand circuit over OSPF virtual-link? Anybody has some config
>> >for
>> >these two scenario? I greatly appreciate your help.
>> >
>> >Thanks again,
>> >Rena
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