Re: OSPF cheat sheet

From: Jeff Mullan (jmullan78@gmail.com)
Date: Fri Mar 16 2007 - 14:15:18 ART


I meant next hop :)

On 3/16/07, Jeff Mullan <jmullan78@gmail.com> wrote:
>
> You might want to add what would be the next hope in all the scenarios but
> point-to-point.
> Thanks,
> -JM
>
>
> On 3/16/07, Bit Gossip <bit.gossip@chello.nl> wrote:
> >
> > Hi Group,
> > I want to squeeze in one page all the most important factors to choose
> > the
> > OSPF network type so that I can stuff it into my long term memory......
> > Any comment is welcome, especially on the compatibility between network
> > types
> > Thanks,
> > Luca.
> >
> > Network Type BROADCAST
> > Hello to 224.0.0.5
> > Hello 10, Dead 40
> > DR election: Yes
> > Compatible: NON_BROADCAST fixing timers
> > NextHop Change: no
> > Generate Host Route: no
> > Neighbor: not allowed
> > best suited for: LAN
> >
> > Network Type NON_BROADCAST
> > Hello to unicast neighbor address
> > Hello 30, Dead 120
> > DR election: Yes
> > Compatible: BROADCAST fixing timers
> > NextHop Change: no
> > Generate Host Route: no
> > Neighbor: necessary
> > best suited for: NBMA fully meshed
> >
> > Network Type POINT_TO_MULTIPOINT
> > Hello to 224.0.0.5 even if neighbor is configured
> > Hello 30, Dead 120
> > DR election: no
> > Compatible: p2mp non-broadcast, p2p
> > NextHop Change: Yes
> > Generate Host Route: Yes
> > Neighbor: not necessary but allowed to change the cost
> > best suited for: NBMA partially meshed, hub and spoke
> >
> > Network Type POINT_TO_MULTIPOINT non-broadcast
> > Hello to unicast neighbor address
> > Hello 30, Dead 120
> > DR election: no
> > Compatible: p2mp, p2p
> > NextHop Change: Yes
> > Generate Host Route: Yes
> > Neighbor: necessary
> > best suited for: NBMA partially meshed, hub and spoke
> >
> > Network Type POINT_TO_POINT
> > Hello to 224.0.0.5
> > Hello 10, Dead 40
> > DR election: no
> > Compatible: p2mp fixing timers
> > NextHop Change: n/a (only 2 router on the network)
> > Generate Host Route: no
> > Neighbor: not allowed
> > best suited for: ppp, hdlc, p2p fr sub-if
> >
> > _______________________________________________________________________
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