From: Peter (peter@cyscoexpert.com)
Date: Mon Oct 06 2003 - 13:01:51 GMT-3
"Neighbor" commands on the hub and "ip ospf priority 0" on spokes'
interfaces. At least that is how I do it.
_____________________________
Peter
#7247 (R&S, Security, SP)
CyscoExpert Corp.
4433 W. Touhy Ave. Suite 410
Lincolnwood, IL 60712
Phone (847) 674-3392
Toll Free (866) CyscoXP (297-2697)
Fax (847) 674-2625
----- Original Message -----
From: <Ken.Farrington@barclayscapital.com>
To: <ccielab@groupstudy.com>
Sent: Monday, October 06, 2003 10:45 AM
Subject: OSPF over NBMA Frame
> Hi guys,
>
> Just incase I get asked to setup ospf over an NBMA network and I have to
use
> the "non-broadcast" network type over a hub and spoke topology
>
> say i have
>
> rtr 1
> / \
> / \
> rtr2 rtr3
>
>
> Do I just need the neighbor command on the hub, and if so, to set the hub
as
> always the DR - I just set the ip ospf priority on the interface on rtr1
to
> 255.
>
> --------------------------------------------------------------------------
-- > --------------------------------------------------- > THIS IS THE WAY I FEEL IS THE CLEANEST WAY BUT WHAT IS THE CISCO WAY? > -------------------------------------------------------------------------- -- > --------------------------------------------------- > > So in essence, if I was to get asked to perform this, all I would plan to do > is the following > > > -------------------------------------------------------------------------- -- > ------------------------------------------------------------------------- > on HUB > ! > router ospf 1 > log-adjacency-changes > network 142.220.19.0 0.0.0.31 area 0 > neighbor 142.220.19.2 > neighbor 142.220.19.3 > ! > int s0/0.2 > ip ospf net non-broad > ip ospf pri 255 > > R2#sh ip ospf nei > > Neighbor ID Pri State Dead Time Address Interface > 222.0.0.2 0 FULL/DROTHER 00:01:37 142.220.19.2 > Serial0/0.2 > 222.0.0.3 0 FULL/DROTHER 00:01:59 142.220.19.3 > Serial0/0.2 > > > > -------------------------------------------------------------------------- -- > ------------------------------------------------------------------------- > > on R2 > > int s0/0 > ip ospf net non-broad > ip ospf pri 0 > > R2#sh ip ospf nei > > Neighbor ID Pri State Dead Time Address Interface > 222.0.0.1 255 FULL/DR 00:01:55 142.220.19.1 Serial0/0 > R2# > > -------------------------------------------------------------------------- -- > ------------------------------------------------------------------------- > > on R3 > > int s0/0 > ip ospf net non-broad > ip ospf pri 0 > > R3#sh ip ospf nei > > Neighbor ID Pri State Dead Time Address Interface > 222.0.0.1 255 FULL/DR 00:01:55 142.220.19.1 Serial0/0 > R3# > > > > > > > > ------------------------------------------------------------------------ > For more information about Barclays Capital, please > visit our web site at http://www.barcap.com. > > > Internet communications are not secure and therefore the Barclays > Group does not accept legal responsibility for the contents of this > message. Although the Barclays Group operates anti-virus programmes, > it does not accept responsibility for any damage whatsoever that is > caused by viruses being passed. Any views or opinions presented are > solely those of the author and do not necessarily represent those of the > Barclays Group. Replies to this email may be monitored by the Barclays > Group for operational or business reasons. > > ------------------------------------------------------------------------ > > ***Get your CCIE and a FREE vacation: Shop.GroupStudy.com*** > _______________________________________________________________________ > Please help support GroupStudy by purchasing your study materials from: > shop.groupstudy.com > > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html***Get your CCIE and a FREE vacation: Shop.GroupStudy.com***
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