From: Nick Griffin (ngriffin@sio.midco.net)
Date: Fri Mar 24 2006 - 17:52:04 GMT-3
From what I understand the 0.0.0.0 mappings are the result of disabling
inverse arp after the process has already started. The only way ( I know
of) to clear the mappings is to reset the router. Typically when I've
seen this has been in lab scenarios, where the FR interfaces are
preconfigured, and in the up down state before "encapsulation
frame-relay" is entered. What I'll do at the start of a lab, is go ahead
and shut down the interface, do an "encap hdlc" and then "encap frame"
disable inverse arp, and make the remaing FR configs on all routers
before bringing up the interfaces. It seems as though some have still
crept in during this process, so I'll end up rebooting, while moving on
to another scenario.
CCIE KH49279 wrote:
>Actually the configuration is simiple and spot on, there are only two map
>statemens on the hub, and one map statement each on the two spokes. I tried
>to clear the ospf proc and the fr maps to no avail, and default interface. I
>removed ospf altogether, but I don't necessarily think ospf is the issue
>here, as much as FR is bringing this ghostly 0.0.0.0 dynamic maps in
>somehow. I will take a look at the router today just before I past my
>configs again.
>
>Once I reloaded the problem never came back. In my case it has only happened
>twice, and that was when pasting configs.
>
>Not quite sure why this occurred, but it has never showed up that I am aware
>when I manually configure the same statements. I will be dumping more
>configs on a router in a few hours, so I will be on the look out again.
>
>Thanks,
>
>Wayne
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of ccie
>ccie
>Sent: Friday, March 24, 2006 12:37 AM
>To: CCIE KH49279; 'Brian Dennis'; 'John Matus'; ccielab@groupstudy.com
>Subject: RE: ospf adj problem
>
>Hi,
>
> in ospf after any changes u have done u will have to do clear ip ospf
>process in order for the chnages to take effect also i feel that the frame
>relay is not properly configured may be the mapping is done properly between
>the hub and spoke ...kindly cross check the mapping...i doubt that the
>framerelay is not properly configure...
>
>CCIE KH49279 <ccie_lab@inetiq.com> wrote:
> Brian,
>
>What causes these "ghostly" mappings? The only way I could get them to clear
>was to reload. I used default-interface for my s0/0, and still could not get
>rid of the mappings. I appreciat your insight in this.
>
>Wayne
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Brian Dennis
>Sent: Friday, March 17, 2006 2:37 PM
>To: John Matus; ccielab@groupstudy.com
>Subject: RE: ospf adj problem
>
>You may have a dynamic mapping to 0.0.0.0 from R4 to R3. Since R3 is in init
>state, R3 is seeing hellos from R4 but not seeing R4 acknowledge R3's hellos
>hence the init state on R3. Just do a show frame map to see if this is the
>case.
>
>HTH,
>
>Brian Dennis, CCIE #2210 (R&S/ISP-Dial/Security)
>bdennis@internetworkexpert.com
>
>Internetwork Expert, Inc.
>http://www.InternetworkExpert.com
>Toll Free: 877-224-8987
>Direct: 775-745-6404 (Outside the US and Canada)
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of John
>Matus
>Sent: Friday, March 17, 2006 12:28 PM
>To: ccielab@groupstudy.com
>Subject: ospf adj problem
>
>guys,
>having a problem w/ ospf adj's
>hub & spoke topology, R5 is hub, R4 and R3 spokes. there is level 3
>connectiviety between the spokes w/ map statements. ospf net type is
>broadcast
>R3 shows and init adj w/ R4, but R4 does not show an adj w/ R3
>
>
>R3
>*Mar 1 02:29:08.803: OSPF: Rcv hello from 150.1.4.4 area 0 from
>Serial0/1
>183.1.0.4
>*Mar 1 02:29:08.803: OSPF: End of hello processing r3# *Mar 1
>02:29:11.399: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/1 from
>183.1.0.3 *Mar 1 02:29:12.303: OSPF: Rcv hello from 150.1.5.5 area 0 from
>Serial0/1
>183.1.0.5
>*Mar 1 02:29:12.303: OSPF: End of hello processing
>
>R4
>1 02:28:40.951: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/0 from
>183.1.0.4
>r4#
>*Mar 1 02:28:41.119: %SYS-5-CONFIG_I: Configured from console by console r4#
>*Mar 1 02:28:44.619: OSPF: Rcv hello from 150.1.5.5 area 0 from Serial0/0
>183.1.0.5
>*Mar 1 02:28:44.619: OSPF: End of hello processing r4# *Mar 1
>02:28:50.951: OSPF: Send hello to 224.0.0.5 area 0 on Serial0/0 from
>183.1.0.4 r4# *Mar 1 02:28:54.619: OSPF: Rcv hello from 150.1.5.5 area 0
>from Serial0/0
>183.1.0.5
>*Mar 1 02:28:54.619: OSPF: End of hello processing r4#
>
>don't know what coud be causing this
>any ideas??
>
>TIA
>
>Regards,
>
>John D. Matus
>Technical Support / PAS
>Fujitsu Consulting
>626-568-7716
>John.Matus@tokiom.com
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