Re: OSPF on 32 bit dialer interface

From: Adam Booth <adam.booth_at_gmail.com>
Date: Wed, 28 Nov 2012 21:33:16 +1000

Hi Tauseef,

You don't need to set the OSPF interface type on the physical interfaces
since IP isn't running on them - just the virtual-template and dialer but I
would have expected you need to set the ospf interface type to be
point-to-point not point-to-multipoint

Cheers,
Adam

On Wed, Nov 28, 2012 at 9:10 PM, Tauseef Khan <tasneemjan_at_googlemail.com>wrote:

> OSPF config as below:
>
>
> R2: (R2 has negioted the ip address from Server)
> router ospf 1
> router-id 2.2.2.2
> log-adjacency-changes
> network 2.2.2.2 0.0.0.0 area 2
> network 172.31.255.254 0.0.0.0 area 2
>
> R1:
> router ospf 1
> router-id 1.1.1.1
> network 1.1.1.1 0.0.0.0 area 2
> network 172.31.255.1 0.0.0.0 area 2
>
>
>
> On 28 November 2012 11:03, Tauseef Khan <tasneemjan_at_googlemail.com> wrote:
>
> > Please find below the configs
> > server:R1
> >
> > bba-group pppoe CISCO
> > virtual-template 16
> > !
> > interface Gigabit0/0
> > no ip address
> > ip ospf network point-to-multipoint
> > ip ospf mtu-ignore
> > duplex auto
> > speed auto
> > pppoe enable group CISCO
> > end
> >
> > !
> > interface Virtual-Template16
> > mtu 1492
> > ip address 172.31.255.1 255.255.255.0
> > ip ospf network point-to-multipoint
> > ip ospf mtu-ignore
> > peer default ip address pool 1.6
> > ppp authentication chap
> > end
> >
> > usename R2 password pass
> >
> > ip local-pool 6.6 172.31.255.254
> >
> > __________________________________________________
> >
> > Client R2:
> > interface FastEthernet0/0
> > no ip address
> > ip ospf network point-to-multipoint
> > ip ospf mtu-ignore
> > speed auto
> > half-duplex
> > pppoe enable
> > pppoe-client dial-pool-number 16
> > !
> >
> > interface Dialer16
> > mtu 1492
> > ip address negotiated
> > encapsulation ppp
> > ip ospf network point-to-multipoint
> > dialer pool 16
> > dialer idle-timeout 0
> > dialer persistent
> > no peer neighbor-route
> > ppp chap password 0 pass
> > end
> >
> > R2:
> > sh ip ospf int br
> > Interface PID Area IP Address/Mask Cost State Nbrs
> F/C
> >
> __________________________________________________________________________
> > Di16 1 2 172.31.255.254/32 1785 P2MP
> 0/0
> >
> __________________________________________________________________________
> >
> > Kind regards
> >
> > Tauseef
> > mobile: +44 7837209187
> >
> >
> >
> > On 28 November 2012 10:10, Mohammad Mousa <mohd-mousa_at_hotmail.com>
> wrote:
> >
> >> Post your full configs so we can check together. Did you change the MTU?
> >>
> >> --
> >> Mohammad Mousa
> >> CCIE #36990
> >>
> >>
> >>
> >>
> >>
> >>
> >> On Nov 28, 2012, at 12:28 PM, Tauseef Khan wrote:
> >>
> >> > Appreciate if some one could help. I have ospf running on 2 routers
> R1
> >> and
> >> > R2.
> >> > R2 is a PPPoE client and R1 is the server. R2 has a negotiated ip
> >> address
> >> > on the dialer interface from R1 which is host (/32) address while R1
> >> has a
> >> > /29 bit Ip address on its interface facing towards Client.
> >> > OSPF adj is not coming up between the client and Server
> >> > On client dialer int and Server int I have ip ospf network
> >> > point-to-multipoint
> >> > i also tried no peer neighbor-route on client dialer interface.
> >> >
> >> > debugs on the client side show:
> >> > OSPF: Rcv pkt from 172.31.29.1, Dialer16, area 0.0.0.3 : src not on
> the
> >> > same network
> >> >
> >> > I have tried changing the network type to poin-to-poitn as well but no
> >> adj
> >> >
> >> > Regards
> >> >
> >> >
> >> > Blogs and organic groups at http://www.ccie.net
> >> >
> >> >
> _______________________________________________________________________
> >> > Subscription information may be found at:
> >> > http://www.groupstudy.com/list/CCIELab.html
>
>
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>
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Received on Wed Nov 28 2012 - 21:33:16 ART

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