From: Petr Lapukhov (petr@internetworkexpert.com)
Date: Thu Nov 02 2006 - 15:56:46 ART
Yep,
Bugid=CSCse72792
http://www.cisco.com/cgi-bin/Support/Bugtool/onebug.pl?bugid=CSCse72792&cco_pr
2006/11/2, Alexei Monastyrnyi <alexeim@orcsoftware.com>:
>
> Folks.
>
> Just for those who is going to come across scenarios with OSPF NBMA
> neighbors and VL on the same NBMA hub router. After testing and chatting
> off0-line with GS members, it was confirmed that this type of scenario
> does not work. Petr L can point to Bug ID.
>
> My suggestion is replace NBMA neighbors with something working,correctly
> on local-link level for these training scenarios, provided that VLs are
> usually more important for such scenarios.
>
> A.
>
> PS
> Victor, I tried to reach you off line but without any luck
>
>
> -------------------------------------------------------------------------------
> El mensaje de error comienza mas abajo.
>
> -------------------------------------------------------------------------------
>
> ----- The following addresses had permanent fatal errors -----
> <cvictor@protokolgroup.com>
> (reason: 554 5.4.6 Too many hops)
>
>
>
> Alexei Monastyrnyi wrote:
> > Hi Group.
> > I am sorry to bring this up again, but I have this problem and cannot
> > get rid of it across several scenarios.
> >
> > They all have one in common. OSPF NBMA physical interface on HUB
> > router with neighbors configured under OSPF process. FR interface to
> > SPOKE routers is 100% NBMA type, see below.
> >
> > The router accepted neighbor command for OSPF but after reload refused
> > it with
> > OSPF: Neighbor command is allowed only on NBMA and point-to-multipoint
> > networks
> >
> > After that I cannot apply this even interactively (which worked in
> > other scenarios)
> >
> > R1(config-router)#router ospf 1
> > R1(config-router)#nei 1.1.12.2
> > OSPF: Neighbor command is allowed only on NBMA and point-to-multipoint
> > networks
> >
> > I think I am missing something here.... Could someone be so kind to
> > shed a lite on this?
> >
> > TIA
> > A.
> >
> > ============ configurations and show output ==============
> >
> > router ospf 1
> > router-id 1.1.1.1
> > log-adjacency-changes
> > area 1 virtual-link 5.5.5.5
> > redistribute connected subnets route-map conn2ospf
> > redistribute rip subnets route-map rip2ospf
> > network 1.1.12.1 0.0.0.0 area 2
> > network 1.1.13.1 0.0.0.0 area 1
> >
> > interface Serial0/0
> > description ---> DLCI 102 103 104 105 106 <---
> > ip address 1.1.12.1 255.255.255.0
> > encapsulation frame-relay
> > ip ospf network non-broadcast
> > ip ospf priority 255
> > clock rate 1000000
> > frame-relay map ip 1.1.12.1 102
> > frame-relay map ip 1.1.12.2 102 broadcast
> > no frame-relay inverse-arp
> >
> > Serial0/0 is up, line protocol is up
> > Internet Address 1.1.12.1/24, Area 2
> > Process ID 1, Router ID 1.1.1.1, Network Type NON_BROADCAST, Cost: 64
> > Transmit Delay is 1 sec, State DR, Priority 255
> > Designated Router (ID) 1.1.1.1, Interface address 1.1.12.1
> > No backup designated router on this network
> > Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
> > oob-resync timeout 120
> > Hello due in 00:00:06
> > 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)
> >
> > Victor Cappuccio wrote:
> >> Hi Guys.
> >>
> >>
> >>
> >> Playing around with the different OSPF network types, I had
> >> configured on
> >> one Hub Frame-relay Router the neighbor command and in the interface
> >> that
> >> connects to the 2 Spokes is configured the default network type from
> >> NBMA
> >>
> >>
> >>
> >> Rack1R4#show ip ospf inter s0/0.255 | in Net
> >> Process ID 1, Router ID 150.1.4.4, Network Type NON_BROADCAST,
> >> Cost: 64
> >>
> >>
> >>
> >> Rack1R4#show run | in neigh
> >>
> >> neighbor 150.1.245.1
> >>
> >> neighbor 150.1.245.3
> >>
> >>
> >> But when I reload the router, it shows me this
> >>
> >>
> >>
> >> OSPF: Neighbor command is allowed only on NBMA and point-to-multipoint
> >> networks
> >>
> >> OSPF: Neighbor command is allowed only on NBMA and point-to-multipoint
> >> networks
> >>
> >>
> >>
> >> And the neighbor command disappears ?
> >>
> >>
> >>
> >> Rack1R4#show ver | in IOS|Compiled
> >>
> >>
> >> IOS (tm) C2600 Software (C2600-J1S3-M), Version 12.3(18), RELEASE
> >> SOFTWARE
> >> (fc3)
> >> Compiled Wed 15-Mar-06 14:15 by dchih
> >>
> >>
> >>
> >>
> >> Any thought
> >>
> >> Thanks
> >>
> >> Victor.-
> >>
> >> _______________________________________________________________________
> >> Subscription information may be found at:
> >> http://www.groupstudy.com/list/CCIELab.html
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
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>
-- Petr Lapukhov, CCIE #16379 petr@internetworkexpert.comInternetwork Expert, Inc. http://www.InternetworkExpert.com Toll Free: 877-224-8987 Outside US: 775-826-4344
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