I think John was hinting at the fact Split Horizon with poison reverse is
not applicable to OSPF since OSPF is not a distance vector protocol.
""Dennis H"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Here's a link which might be of use... It describes split horizon which
> means a router will not advertise a route back out the same interface that
> it was learned from. Poison reverse is similar except it WILL advertise
the
> route as unreachable back through the same interface it was learned from
(as
> opposed to not advertising it).
>
>
http://www.cisco.com/warp/public/779/smbiz/service/knowledge/wan/subifs.htm
>
> Dennis
>
>
> ""John Neiberger"" wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Split Horizon with Poison Reverse in OSPF? Could you elaborate on how
> > these might work with OSPF?
> >
> > John
> >
> > >>> "Dennis H" 7/9/01 1:42:22 PM >>>
> > Split horizon and poison reverse... just make sure to investigate how
> > these
> > operate with OSPF and frame relay configurations. There are several
> > caveats
> > to be aware of.
> >
> >
> > ""Stephen Skinner"" wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > guys,
> > >
> > > see if you can help me with a senario i am working on for the exam
> > >
> > > 8 routers
> > >
> > > a,b running HSRP connected to eachother and c,d via 100 meg ethernet
> > >
> > > c,d Runiing connected to eachother and a,b via 100 meg ethernet
> > >
> > > c,d connected to e,f via frame relay
> > >
> > > c is primary frame
> > >
> > > d is backup ...NO load balancing atall
> > >
> > >
> > > g,h running HSRP connected to eachother and c,d via 100 meg ethernet
> > >
> > > e,f running ethernet to eachother and c,d via 100 meg ether
> > >
> > > e,f running frame relay to c,d
> > >
> > > primary frame c,e backup frame d,f
> > >
> > > the 8 routers are split over 2 sites
> > >
> > > eigrp is running on a,b,c,d,e,f
> > >
> > > ospf is running on e,f,g,h
> > >
> > > Q1 various sets of router (a,b and g,h) can advertise various routes
> > to
> > > multiple routers (ab to c and d) (gh to e and f) thus the possiblilty
> > of
> > > routing loops (on LAN) could occour ....how can i stop this...
> > >
> > >
> > >
> > > i have more questions but i will post them one at a time......
> > >
> > > i have encluded a BMP file on this email with the design in it
> > >
> > >
> > >
> >
_________________________________________________________________________
> > > Get Your Private, Free E-mail from MSN Hotmail at
> > http://www.hotmail.com.
> > >
> > > [GroupStudy.com removed an attachment of type image/bmp which had a
> > name
> > of
> > > 1-secmap.bmp]
Message Posted at:
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