Re: OSPF problem..pls help.

its probably due to the 0.0.0.0 mappings.!

On Sun, Sep 13, 2009 at 9:39 PM, Steve Lyons <charter21p5_at_gmail.com> wrote:

> Yes send debug ip ospf adj.
>
> On Sun, Sep 13, 2009 at 12:08 PM, Steve Lyons <charter21p5_at_gmail.com>
> wrote:
>
> > Send "show frame map"
> >
> >
> > On Sun, Sep 13, 2009 at 11:21 AM, Naufal Jamal <naufalccie_at_yahoo.in
> >wrote:
> >
> >>
> >> *R2*(config-router)#do sh ip ospf int s0/0
> >> Serial0/0 is up, line protocol is up
> >> Internet Address 1.1.24.2/24, Area 2
> >> Process ID 1, Router ID 2.2.2.2, Network Type POINT_TO_POINT, Cost: 64
> >> Transmit Delay is 1 sec, State POINT_TO_POINT
> >> Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
> >> oob-resync timeout 40
> >> Hello due in 00:00:07
> >> Supports Link-local Signaling (LLS)
> >> Cisco NSF helper support enabled
> >> IETF NSF helper support enabled
> >> Index 1/1, 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 0 neighbor(s)
> >>
> >> *R4*(config-router)#do sh ip ospf int s0/1/0
> >> Serial0/1/0 is up, line protocol is up
> >> Internet Address 1.1.24.4/24, Area 2
> >> Process ID 1, Router ID 4.4.4.4, Network Type POINT_TO_POINT, Cost: 64
> >> Transmit Delay is 1 sec, State POINT_TO_POINT
> >> Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
> >> oob-resync timeout 40
> >> Hello due in 00:00:05
> >> Supports Link-local Signaling (LLS)
> >> Cisco NSF helper support enabled
> >> IETF NSF helper support enabled
> >> 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 0, Adjacent neighbor count is 0
> >> Suppress hello for 0 neighbor(s)
> >>
> >> Here you go...
> >> --- On *Sun, 13/9/09, Steve Lyons <charter21p5_at_gmail.com>* wrote:
> >>
> >>
> >> From: Steve Lyons <charter21p5_at_gmail.com>
> >> Subject: Re: OSPF problem..pls help.
> >> To: "Mohamed El Henawy" <m.henawy_at_link.net>
> >> Cc: "Divin Mathew John" <divinjohn_at_gmail.com>, "Naufal Jamal" <
> >> naufalccie_at_yahoo.in>, ccielab_at_groupstudy.com
> >> Date: Sunday, 13 September, 2009, 2:14 PM
> >>
> >>
> >> Send me the output of "show ip ospf int x" for the Layer3 interface on
> >> each side.
> >>
> >> Steve Lyons
> >>
> >> On Sun, Sep 13, 2009 at 9:08 AM, Mohamed El Henawy <m.henawy_at_link.net<
> http://in.mc950.mail.yahoo.com/mc/compose?to=m.henawy@link.net>
> >> > wrote:
> >>
> >>> They are already
> >>>
> >>> network 1.1.24.4 0.0.0.0 area 2
> >>> network 1.1.24.2 0.0.0.0 area 2
> >>>
> >>>
> >>>
> >>> ----- Original Message -----
> >>> *From:* Steve Lyons<
> http://in.mc950.mail.yahoo.com/mc/compose?to=charter21p5@gmail.com>
> >>> *To:* Mohamed El Henawy<
> http://in.mc950.mail.yahoo.com/mc/compose?to=m.henawy@link.net>
> >>> *Cc:* Divin Mathew John<
> http://in.mc950.mail.yahoo.com/mc/compose?to=divinjohn@gmail.com>; Naufal
> >>> Jamal <
> http://in.mc950.mail.yahoo.com/mc/compose?to=naufalccie@yahoo.in>;
> >>> ccielab_at_groupstudy.com<
> http://in.mc950.mail.yahoo.com/mc/compose?to=ccielab@groupstudy.com>
> >>> *Sent:* Sunday, September 13, 2009 5:02 PM
> >>> *Subject:* Re: OSPF problem..pls help.
> >>>
> >>> Bottom line: Both OSPF neighbors are required to be in the same area.
> >>>
> >>> Steve Lyons
> >>>
> >>> On Sun, Sep 13, 2009 at 8:20 AM, Mohamed El Henawy <m.henawy_at_link.net<
> http://in.mc950.mail.yahoo.com/mc/compose?to=m.henawy@link.net>
> >>> > wrote:
> >>>
> >>>> I think Serial0/0/0 is already on another area and due to dynamic FR
> >>>> Mapping
> >>>> its getting this packet from 1.1.24.2 which is in Area 2 on this
> >>>> interface while it should get it on Serial0/1/0
> >>>>
> >>>>
> >>>>
> >>>> ----- Original Message ----- From: "Steve Lyons" <
> charter21p5_at_gmail.com<
> http://in.mc950.mail.yahoo.com/mc/compose?to=charter21p5@gmail.com>
> >>>> >
> >>>> To: "Divin Mathew John" <divinjohn_at_gmail.com<
> http://in.mc950.mail.yahoo.com/mc/compose?to=divinjohn@gmail.com>
> >>>> >
> >>>> Cc: "Naufal Jamal" <naufalccie_at_yahoo.in<
> http://in.mc950.mail.yahoo.com/mc/compose?to=naufalccie@yahoo.in>>;
> >>>> <ccielab_at_groupstudy.com<
> http://in.mc950.mail.yahoo.com/mc/compose?to=ccielab@groupstudy.com>
> >>>> >
> >>>> Sent: Sunday, September 13, 2009 4:11 PM
> >>>> Subject: Re: OSPF problem..pls help.
> >>>>
> >>>>
> >>>> Good catch. I didn't even notice. :) Check your configuration on
> >>>>> both
> >>>>> sides. It appears you have a mismatch of area type.
> >>>>>
> >>>>> router ospf 1
> >>>>> log-adjacency-changes
> >>>>> network 1.1.4.4 0.0.0.0 area 0 <====== does this match on the other
> >>>>> side.
> >>>>>
> >>>>>
> >>>>> Keep in mind the ospf hello packet has an area-id field and if this
> >>>>> does not
> >>>>> match on both sides then the adjacency will not be formed.
> >>>>>
> >>>>> Below is an example of packet structure I found searching google:
> >>>>>
> >>>>>
> >>>>>
> http://routemyworld.com/wp-content/uploads/2008/07/ospf-packet-header.jpg
> >>>>>
> >>>>> Also here is some reading on why neighbors might not form:
> >>>>>
> >>>>>
> >>>>>
> http://supportwiki.cisco.com/ViewWiki/index.php/OSPF_routers_do_not_form_neighbor_relationship_due_to_a_mismatch_in_hello_parameters
> >>>>>
> >>>>> Steve Lyons
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> On Sun, Sep 13, 2009 at 8:56 AM, Divin Mathew John <
> >>>>> divinjohn_at_gmail.com<
> http://in.mc950.mail.yahoo.com/mc/compose?to=divinjohn@gmail.com>
> >>>>> >wrote:
> >>>>>
> >>>>> *Sep 13 11:20:38.243: OSPF: Rcv pkt from 1.1.24.2, Serial0/0/0,
> >>>>>> area
> >>>>>> 0.0.0.0
> >>>>>> mismatch area 0.0.0.2 in the header??
> >>>>>>
> >>>>>>
> >>>>>> On Sun, Sep 13, 2009 at 6:19 PM, Steve Lyons <charter21p5_at_gmail.com
> <http://in.mc950.mail.yahoo.com/mc/compose?to=charter21p5@gmail.com>
> >>>>>> >wrote:
> >>>>>>
> >>>>>> Ping 224.0.0.5 and source it from the ptp interface. Let me know if
> >>>>>>> you
> >>>>>>> get
> >>>>>>> a response.
> >>>>>>>
> >>>>>>> Steve Lyons
> >>>>>>>
> >>>>>>> On Sun, Sep 13, 2009 at 6:16 AM, Naufal Jamal <naufalccie_at_yahoo.in
> <http://in.mc950.mail.yahoo.com/mc/compose?to=naufalccie@yahoo.in>
> >>>>>>> >
> >>>>>>> wrote:
> >>>>>>>
> >>>>>>> > Hi,
> >>>>>>> >
> >>>>>>> > I have a full-mesh of ospf network but having problems between R4
> >>>>>>> and > R2
> >>>>>>> > point-to-point network type .here is the config/debug on both the
> >>>>>>> > routers.the
> >>>>>>> > neighbourship never comes up.
> >>>>>>> >
> >>>>>>> >
> >>>>>>> > R4
> >>>>>>> >
> >>>>>>> > interface Serial0/1/0
> >>>>>>> > ip address 1.1.24.4 255.255.255.0
> >>>>>>> > encapsulation frame-relay
> >>>>>>> > ip ospf network point-to-point
> >>>>>>> > frame-relay map ip 1.1.24.4 402
> >>>>>>> > frame-relay map ip 1.1.24.2 402 broadcast
> >>>>>>> > no frame-relay inverse-arp
> >>>>>>> > end
> >>>>>>> >
> >>>>>>> > R4
> >>>>>>> >
> >>>>>>> > (config-if)#do debug ip ospf ev
> >>>>>>> > OSPF events debugging is on
> >>>>>>> > R4(config-if)#
> >>>>>>> > *Sep 13 11:20:38.131: OSPF: Send hello to 224.0.0.5 area 2 on
> >>>>>>> Serial0/1/0
> >>>>>>> > from
> >>>>>>> > 1
> >>>>>>> > .1.24.4
> >>>>>>> > *Sep 13 11:20:38.243: OSPF: Rcv pkt from 1.1.24.2, Serial0/0/0,
> >>>>>>> area
> >>>>>>> > 0.0.0.0
> >>>>>>> > mismatch area 0.0.0.2 in the header
> >>>>>>> >
> >>>>>>> > sh ip ospf ne
> >>>>>>> > Neighbor ID Pri State Dead Time Address
> >>>>>>> Interface
> >>>>>>> > 1.1.3.3 1 FULL/DROTHER 00:01:51 1.1.100.3
> >>>>>>> > Serial0/0/0
> >>>>>>> > 1.1.6.6 1 FULL/BDR 00:01:47 1.1.100.6
> >>>>>>> > Serial0/0/0
> >>>>>>> >
> >>>>>>> > router ospf 1
> >>>>>>> > log-adjacency-changes
> >>>>>>> > network 1.1.4.4 0.0.0.0 area 0
> >>>>>>> > network 1.1.24.4 0.0.0.0 area 2
> >>>>>>> > network 1.1.100.4 0.0.0.0 area 0
> >>>>>>> > neighbor 1.1.100.3
> >>>>>>> > neighbor 1.1.100.6
> >>>>>>> >
> >>>>>>> > R2
> >>>>>>> >
> >>>>>>> >
> >>>>>>> > R2(config-if)#
> >>>>>>> > *Mar 1 16:50:33.663: OSPF: Send hello to 224.0.0.5 area 2 on
> >>>>>>> > FastEthernet0/0
> >>>>>>> > fr
> >>>>>>> > om 1.1.26.2
> >>>>>>> > *Mar 1 16:50:34.491: OSPF: Rcv hello from 1.1.4.4 area 2 from >
> >>>>>>> Serial0/0
> >>>>>>> > 1.1.24.
> >>>>>>> > 4
> >>>>>>> > *Mar 1 16:50:34.491: OSPF: Send immediate hello to nbr 1.1.4.4,
> >>>>>>> src
> >>>>>>> > address
> >>>>>>> > 1.1
> >>>>>>> > .24.4, on Serial0/0
> >>>>>>> > *Mar 1 16:50:34.495: OSPF: Send hello to 224.0.0.5 area 2 on >
> >>>>>>> Serial0/0
> >>>>>>> > from
> >>>>>>> > 1.1
> >>>>>>> > .24.2
> >>>>>>> > *Mar 1 16:50:34.495: OSPF: End o
> >>>>>>> > *Mar 1 16:58:55.403: OSPF: Rcv hello from 1.1.6.6 area 2 from
> >>>>>>> > FastEthernet0/0
> >>>>>>> > 1
> >>>>>>> > .1.26.6
> >>>>>>> > *Mar 1 16:58:55.403: OSPF: End of hello processing
> >>>>>>> > R2(config-if)#
> >>>>>>> > R2(config-if)#do
> >>>>>>> > *Mar 1 16:58:58.567: OSPF: Send hello to 224.0.0.5 area 2 on >
> >>>>>>> Serial0/0
> >>>>>>> > from
> >>>>>>> > 1.1
> >>>>>>> > .24.2
> >>>>>>> > R2(config-if)#do u all
> >>>>>>> > All possible debugging has been turned off
> >>>>>>> > R2(config-if)#do sh ip ospf ne
> >>>>>>> > Neighbor ID Pri State Dead Time Address
> >>>>>>> Interface
> >>>>>>> > 1.1.4.4 0 INIT/ - 00:00:32 1.1.24.4
> >>>>>>> Serial0/0
> >>>>>>> > 1.1.6.6 1 FULL/BDR 00:00:33 1.1.26.6
> >>>>>>> > FastEthernet0/0
> >>>>>>> >
> >>>>>>> > interface Serial0/0
> >>>>>>> > ip address 1.1.24.2 255.255.255.0
> >>>>>>> > encapsulation frame-relay
> >>>>>>> > ip ospf network point-to-point
> >>>>>>> > frame-relay map ip 1.1.24.2 204
> >>>>>>> > frame-relay map ip 1.1.24.4 204 broadcast
> >>>>>>> > no frame-relay inverse-arp
> >>>>>>> > frame-relay lmi-type cisco
> >>>>>>> > end
> >>>>>>> >
> >>>>>>> > router ospf 1
> >>>>>>> > log-adjacency-changes
> >>>>>>> > network 1.1.2.2 0.0.0.0 area 2
> >>>>>>> > network 1.1.24.2 0.0.0.0 area 2
> >>>>>>> > network 1.1.26.2 0.0.0.0 area 2
> >>>>>>> >
> >>>>>>> > neighborship with R3 and R6 is o.k dont understand why it is not
> >>>>>>> comin
> >>>>>>> up
> >>>>>>> > between R2 and R4 p2p link...
> >>>>>>> >
> >>>>>>> > Thanks,
> >>>>>>> > Naufal
> >>>>>>> >
> >>>>>>> >
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> >>>>>>>
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> >>>>>>
> >>>>>> --
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> >>>>>>
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> >>>>
> --------------------------------------------------------------------------------
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> No virus found in this incoming message.
> >>>> Checked by AVG - www.avg.com
> >>>> Version: 8.5.409 / Virus Database: 270.13.94/2367 - Release Date:
> >>>> 09/13/09 05:50:00
> >>>>
> >>>>
> >>> ------------------------------
> >>>
> >>> No virus found in this incoming message.
> >>> Checked by AVG - www.avg.com
> >>> Version: 8.5.409 / Virus Database: 270.13.94/2367 - Release Date:
> >>> 09/13/09 05:50:00
> >>>
> >>>
> >>
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