From: Arun Arumuganainar (aarumuga@hotmail.com)
Date: Sun Aug 07 2005 - 03:34:07 GMT-3
Hi ,
Is there any reason for configuring "set-overload-bit " .
Default behavior it will install only the connected route and nothing else
!!!
Try removing this and let me know if you still have the problem .
Thanks and Regards
Arun
----- Original Message -----
From: "Stefan Grey" <examplebrain@hotmail.com>
To: <zouta.oxpf@gmail.com>; <ccielab@groupstudy.com>
Sent: Sunday, August 07, 2005 11:49 AM
Subject: Re: Isis and ATM
> I also thought that maybe BB1 router is filtering this isis level1 default
> route. But look at the configuration below. I have no idia what in the
> configuration could filter this default route to r2. Maybe you could tell
> me. Thanks (I mentioned this problem when doing IEWBv2 lab2)
>
> hostname BB1
> !
> logging queue-limit 100
> !
> memory-size iomem 10
> ip subnet-zero
> !
> !
> no ip domain lookup
> !
> !
> !
> key chain EIGRP
> key 1
> key-string CISCO
> !
> !
> !
> !
> !
> !
> !
> !
> no voice hpi capture buffer
> no voice hpi capture destination
> !
> !
> mta receive maximum-recipients 0
> !
> !
> !
> !
> interface Loopback112
> ip address 112.0.0.1 255.0.0.0
> !
> interface Loopback113
> ip address 113.0.0.1 255.0.0.0
> !
> interface Loopback114
> ip address 114.0.0.1 255.0.0.0
> !
> interface Loopback115
> ip address 115.0.0.1 255.0.0.0
> !
> interface Loopback116
> ip address 116.0.0.1 255.0.0.0
> !
> interface Loopback117
> ip address 117.0.0.1 255.0.0.0
> !
> interface Loopback118
> ip address 118.0.0.1 255.0.0.0
> !
> interface Loopback119
> ip address 119.0.0.1 255.0.0.0
> !
> interface Loopback51001
> ip address 51.0.0.1 255.255.0.0
> !
> interface Loopback51101
> ip address 51.1.0.1 255.255.0.0
> !
> interface Loopback51201
> ip address 51.2.0.1 255.255.0.0
> !
> interface Loopback51301
> ip address 51.3.0.1 255.255.0.0
> !
> interface Loopback51401
> ip address 51.4.0.1 255.255.0.0
> !
> interface Loopback51501
> ip address 51.5.0.1 255.255.0.0
> !
> interface Loopback51601
> ip address 51.6.0.1 255.255.0.0
> !
> interface Loopback51701
> ip address 51.7.0.1 255.255.0.0
> !
> interface Loopback200000
> ip address 200.0.0.1 255.255.255.0
> !
> interface Loopback200010
> ip address 200.0.1.1 255.255.255.0
> !
> interface Loopback200020
> ip address 200.0.2.1 255.255.255.0
> !
> interface Loopback200030
> ip address 200.0.3.1 255.255.255.0
> !
> interface Loopback2121801
> ip address 212.18.0.1 255.255.255.0
> !
> interface Loopback2121811
> ip address 212.18.1.1 255.255.255.0
> !
> interface Loopback2121821
> ip address 212.18.2.1 255.255.255.0
> !
> interface Loopback2121831
> ip address 212.18.3.1 255.255.255.0
> !
> interface Loopback12109150
> ip address 12.109.15.0 255.255.255.255
> !
> interface Loopback12109151
> ip address 12.109.15.1 255.255.255.255
> !
> interface Loopback12109152
> ip address 12.109.15.2 255.255.255.255
> !
> interface Loopback12109153
> ip address 12.109.15.3 255.255.255.255
> !
> interface Loopback12109154
> ip address 12.109.15.4 255.255.255.255
> !
> interface Loopback12109155
> ip address 12.109.15.5 255.255.255.255
> !
> interface Loopback12109156
> ip address 12.109.15.6 255.255.255.255
> !
> interface Loopback12109157
> ip address 12.109.15.7 255.255.255.255
> !
> interface Ethernet0/0
> description HDLC link to BB3 for BGP Peering
> ip address 172.16.4.1 255.255.255.0
> half-duplex
> !
> interface Serial0/0
> no ip address
> shutdown
> no fair-queue
> !
> interface Ethernet0/1
> no ip address
> shutdown
> half-duplex
> !
> interface Serial0/1
> no ip address
> shutdown
> !
> interface ATM1/0
> no ip address
> no atm ilmi-keepalive
> pvc 0/5 qsaal
> !
> pvc 0/16 ilmi
> !
> !
> interface ATM1/0.1100 point-to-point
> description PVC 1/100 to Rack1R6 for PVC Discovery
> ip address 54.1.2.254 255.255.255.0
> ip router isis 1
> pvc 1/100
> !
> !
> !
> router eigrp 10
> network 54.0.0.0
> network 200.0.0.0 0.0.3.255
> distribute-list EIGRP out
> no auto-summary
> !
> router isis 1
> net 49.0001.00e0.1e57.e592.00
> is-type level-1
> set-overload-bit
> passive-interface Loopback51001
> passive-interface Loopback51101
> passive-interface Loopback51201
> passive-interface Loopback51301
> passive-interface Loopback51401
> passive-interface Loopback51501
> passive-interface Loopback51601
> passive-interface Loopback51701
> !
> ip http server
> ip classless
> ip route 0.0.0.0 0.0.0.0 Null0
> ip route 204.12.1.0 255.255.255.0 172.16.4.3
>
>
>
> >From: Zouta oxpf <zouta.oxpf@gmail.com>
> >Reply-To: Zouta oxpf <zouta.oxpf@gmail.com>
> >To: Stefan Grey <examplebrain@hotmail.com>
> >CC: Groupstudy <ccielab@groupstudy.com>
> >Subject: Re: Isis and ATM
> >Date: Sat, 6 Aug 2005 22:35:50 -0400
> >
> >I overlooked that. Maybe the default route is being deliberately
> >filtered at the backbone, you know you really do not have that much
> >control over the backbone. You might have to employ some other means
> >to have full reachability to those BB routes. If you have access to
> >the backbone check to make sure that ISIS default is not being
> >filtered.
> >
> >Another area to explore is isis metric style, check isis issues with
> >metric styles, wide, narrow and transition.
> >
> >ZO.
> >
> >On 8/6/05, Stefan Grey <examplebrain@hotmail.com> wrote:
> > >
> > > Yes I already mentioned this, they are in the same area.
> > >
> > > Router R1 is in Area 49.1.....
> > > Router r2,r3,bb1 are in the same area 49.2.... but in different one
from
> > > router R1.
> > >
> > >
> > > >From: Zouta oxpf <zouta.oxpf@gmail.com>
> > > >Reply-To: Zouta oxpf <zouta.oxpf@gmail.com>
> > > >To: Stefan Grey <examplebrain@hotmail.com>
> > > >CC: ccielab@groupstudy.com
> > > >Subject: Re: Isis and ATM
> > > >Date: Sat, 6 Aug 2005 15:09:24 -0400
> > > >
> > > >Hi Stefan,
> > > >
> > > >Is BB1 and R3 in the same ISIS area?
> > > >
> > > >ZO
> > > >
> > > >On 8/6/05, Stefan Grey <examplebrain@hotmail.com> wrote:
> > > > > Please could you explain me the following:
> > > > >
> > > > > we have such topology
> > > > >
> > > > > R1 - R2 -R3 -BB1
> > > > >
> > > > > R1-R2-R3 is connected with ethernet
> > > > > R3-BB1 is connected with ATM
> > > > >
> > > > > R1 - int area 1
> > > > >
> > > > > r2,r3,BB1 in isis area 2
> > > > >
> > > > > R1 - R2 - level-2 only connection
> > > > >
> > > > > R2-R3 level 1 conn
> > > > > R3-BB1 level 1 connection
> > > > >
> > > > > 1.R3 see the default isis connection to R2. So it can access all
> > > >external
> > > > > routers in outside router R1. (As normally in the stub network).
> > > > >
> > > > > BB1 doesn't have this default route. Why?? It have only L1 routes
in
> > > >it's
> > > > > area and nothing about how to reach the outside routers. I thought
> >that
> > > >L1
> > > > > routers should pass the information between each other.
> > > > >
> > > > > Any idia??
> > > > >
> > > > > When redistributin for example Ospf into isis level1 on R2 router
I
> >also
> > > >had
> > > > > the problem that R3 gets some routes which BB1 doesn't.
> > > > >
> > > > > I totally don't understand why.
> > > > >
> > > > > Please help....
> > > > >
> > > > > _________________________________________________________________
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