Re: OSPF unicast updates???

From: Johnny Dedon (jdedon@xxxxxxxxxxxx)
Date: Thu Sep 14 2000 - 18:06:49 GMT-3


   
Passive interface is for all routing protocols.
Eigrp and ospf adjacencies are not formed if it is used.
Johnny Dedon
Senior Staff Consultant
Exodus Professional Services
johnny.dedon@exodus.net
www.exodus.net
----- Original Message -----
From: "Sam Munzani" <smunzani@yahoo.com>
To: "Barry Mersmann" <bmersmann@ebnetworks.com>; <ccielab@groupstudy.com>
Sent: Thursday, September 14, 2000 3:59 PM
Subject: RE: OSPF unicast updates???

> I thought passice-interface only works with DV
> protocols. I might be wrong on this.
>
> Sam
> --- Barry Mersmann <bmersmann@ebnetworks.com> wrote:
> > I'm assuming that you mean you have 4 neighbors
> > sitting on a broadcast
> > media off a single interface... you want to only
> > establish an
> > adjacency to 2 of them.
> > Try making the interface a passive-interface and
> > then specify neighbor
> > statements for each router you wish to establish an
> > adjacency to.
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com
> > [mailto:nobody@groupstudy.com]On Behalf Of
> > Sam Munzani
> > Sent: Thursday, September 14, 2000 1:41 PM
> > To: Andrew; smaljure@cibernetworks.com;
> > ccielab@groupstudy.com
> > Subject: Re: OSPF unicast updates???
> >
> >
> > Now the question is.
> > If unicast is specified, will it stop multicast for
> > that interface? I mean if you have 4 neighbors and
> > you
> > want to setup OSPF adj. with only 2 routers, can you
> > define unicast neighbors specifically?
> >
> > Sam
> > --- Andrew <arousch@home.com> wrote:
> > > OSPF will use mcast on flooding and ucast on
> > > specific requested updates. I
> > > am pretty sure that static neighbors will use
> > ucast.
> > >
> > > At 11:52 AM 9/14/00 -0400,
> > > smaljure@cibernetworks.com wrote:
> > > >Hi group,
> > > >
> > > >Lets say we configure neighors explicitly in the
> > > ospf router process.
> > > >Does this mean, OSPF will not use multicasting
> > from
> > > this point onwards and
> > > >do all communications using the specified
> > > unicasts?? How about for DR/BDR
> > > >election process?
> > > >
> > > >I am going to try this now and use some debugs. I
> > > will let u people know
> > > >the results. Thought I would find out if somebody
> > > had already spent some
> > > >time on this
> > > >
> > > >Thanks
> > > >Sanjay Maljure
> > > >
> > >
> >
> >
> > =====
> > Regards,
> >
> > Sam Munzani
> > sam@munzani.com
> >



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