Re: [Q]OSPF Demand-Circuit over ISDN DDR

From: Jarrod Mills (jmills@xxxxxxxxxxxxxxxx)
Date: Sat Dec 02 2000 - 13:47:58 GMT-3


   
Add the boradcast parameter on the dialer map statement, should hel get you
out of the INIT state
----- Original Message -----
From: "Tony Olzak" <aolzak@buckeye-express.com>
To: "James Chen" <jr_chen@ringline.com.tw>; "CCIE Group Study (E-mail)"
<ccielab@groupstudy.com>
Sent: Friday, December 01, 2000 3:15 PM
Subject: Re: [Q]OSPF Demand-Circuit over ISDN DDR

> It looks to me like you are stuck in the INIT phase of the neighbor
> adjacency process. See if you actually have layer 3 connectivity to both
> routers through the ISDN line (show isdn status). Do a ping and try to
bring
> the line up. Post your full configs and reboot the routers.
>
> You DO NOT want to use nonbroadcast and the neighbor commands.
>
> Seems you left out your dialer-list in the configs below.
>
> Tony
>
> ----- Original Message -----
> From: "James Chen" <jr_chen@ringline.com.tw>
> To: "CCIE Group Study (E-mail)" <ccielab@groupstudy.com>
> Sent: Friday, December 01, 2000 9:53 AM
> Subject: Re: [Q]OSPF Demand-Circuit over ISDN DDR
>
>
> > After I modify the config to remove the "ip ospf network non-broadcast"
> and
> > "neighbor" command, the condition is the same . the hello is continuous
to
> > receive.
> > and the neighbor relation can not be established..
> > ---------------------------------------------------------------
> > R3#sh ip ospf nei
> > Neighbor ID Pri State Dead Time Address
> Interface
> > 137.1.6.6 1 FULL/DR 00:00:35 137.1.63.6
> > FastEthernet0/
> > 0
> > 137.1.4.4 1 FULL/ - 00:01:42 137.1.254.4
> Serial0/0
> > 137.1.2.2 1 FULL/ - 00:01:34 137.1.254.2
> Serial0/0
> > 137.1.5.5 1 INIT/ - 00:00:34 137.1.35.2 BRI0/0
> > R3#sh ip ospf int bri0/0
> > BRI0/0 is up, line protocol is up (spoofing)
> > Internet Address 137.1.35.1/30, Area 3
> > Process ID 1, Router ID 137.1.3.3, Network Type POINT_TO_POINT, Cost:
> 1562
> >
> > Run as demand circuit.
> > DoNotAge LSA allowed.
> > Transmit Delay is 1 sec, State POINT_TO_POINT,
> > Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
> > Hello due in 00:00:05
> > Index 1/2, flood queue length 0
> > Next 0x0(0)/0x0(0)
> > Last flood scan length is 0, maximum is 0
> > Last flood scan time is 0 msec, maximum is 0 msec
> > Neighbor Count is 1, Adjacent neighbor count is 0
> > Suppress hello for 1 neighbor(s)
> >
> > R5#sh ip ospf nei
> >
> > Neighbor ID Pri State Dead Time Address
> Interface
> > 137.1.6.6 1 FULL/DR 00:00:32 137.1.65.6
> > FastEthernet0/
> > 0
> > R5#sh ip ospf int bri0/0
> > BRI0/0 is up, line protocol is up (spoofing)
> > Internet Address 137.1.35.2/30, Area 3
> > Process ID 1, Router ID 137.1.5.5, Network Type POINT_TO_POINT, Cost:
> 1562
> >
> > Configured as demand circuit.
> > Run as demand circuit.
> > DoNotAge LSA allowed.
> > Transmit Delay is 1 sec, State DOWN,
> > Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
>
> --------------------------------------------------------------------------
> ----
> >
> > I even can not see the neighbor in the ospf neighbor table ?
> > why ?
> > Is there anything I missed ?
> >
> > PS. I don't have any rip or eigrp config in R3 and R5. so with no any
> > redistribution .
> >
> > James
> >
> > James Chen wrote:
> >
> > > Hello, Sir:
> > >
> > > I have big problem with OSPF Demand-Circuits.
> > > My config is as following:
> > > -----------------------------------------------------------
> > > R3:
> > > interface BRI0/0
> > > ip address 137.1.35.1 255.255.255.252
> > > no ip directed-broadcast
> > > encapsulation ppp
> > > ip ospf network non-broadcast
> > > dialer map ip 137.1.35.2 name R5
> > > dialer-group 1
> > > isdn switch-type basic-5ess
> > > ppp quality 90
> > > ppp authentication pap
> > > ppp pap sent-username R3 password 7 1511021F0725
> > >
> > > router ospf 1
> > > network 137.1.3.3 0.0.0.0 area 0
> > > network 137.1.35.1 0.0.0.0 area 3
> > > network 137.1.63.3 0.0.0.0 area 3
> > > network 137.1.254.3 0.0.0.0 area 0
> > > neighbor 137.1.35.2 priority 1
> > >
> > > R5:
> > >
> > > interface BRI0/0
> > > ip address 137.1.35.2 255.255.255.252
> > > no ip directed-broadcast
> > > encapsulation ppp
> > > ip ospf network non-broadcast
> > > ip ospf demand-circuit
> > > dialer map ip 137.1.35.1 name R3 broadcast 8358661
> > > dialer-group 1
> > > isdn switch-type basic-5ess
> > > ppp quality 90
> > > ppp authentication pap
> > > ppp pap sent-username R5 password 7 05080F1C2243
> > >
> > > router ospf 1
> > > network 137.1.5.5 0.0.0.0 area 3
> > > network 137.1.35.2 0.0.0.0 area 3
> > > network 137.1.65.5 0.0.0.0 area 3
> > > neighbor 137.1.35.1 priority 1
> > >
> >
> ------------------------------------------------------------------------
> > >
> > > I have continuously got the messages on both routers for each 30secs:
> > > *Mar 2 08:53:32: OSPF: Rcv hello from 137.1.3.3 area 3 from BRI0/0
> > > 137.1.35.1
> > > *Mar 2 08:53:32: OSPF: End of hello processing
> >
> ------------------------------------------------------------------------
> > >
> > > I don't know why I use non-broadcast network type, the hello still
> > > occurs?
> > >
> > > Thanks for your regards.
> > >
> > > James
> >
>



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