Re: Peer Neighbor Route

You can try Lab no 7 from Narbik Advance CCIE RS wb 2.0 for more
understanding.

On Sat, Jun 2, 2012 at 4:07 PM, Vincent Tay <vtay.75_at_gmail.com> wrote:

> Hi Brian,
>
> Thanks for the explanation.
>
> On Thu, May 31, 2012 at 10:07 AM, Brian McGahan <bmcgahan_at_ine.com> wrote:
>
> > It comes from legacy analog dial. In many cases you would dial into a NAS
> > that was not on the same IP subnet as the DHCP pool that the client was
> > leasing from. To solve routing the NAS would simply install a host route
> to
> > the client via the virtual access that they came in on.
> >
> > In today's designs the peer neighbor route has less practical
> application.
> > One of them though would be to unnumbered all your PPP links (e.g. OC-48,
> > OC-192, etc.) to a loopback, and then use the peer neighbor route to
> route
> > to the connected neighbors. This simplifies IP address allocation as each
> > router only needs one address globally.
> >
> >
> > HTH,
> >
> > Brian McGahan, CCIE #8593 (R&S/SP/Security)
> > bmcgahan_at_INE.com
> >
> > Internetwork Expert, Inc.
> > http://www.INE.com
> >
> > On May 30, 2012, at 8:53 PM, "Marcin Zgola" <MZgola_at_netrixllc.com>
> wrote:
> >
> > > Why would you ever need to have /32 network of your neighbor ppp
> > interface in your routing table?
> > >
> > >
> > > Marcin Zgola | Netrix, LLC | 847.283.7400 |(Direct) 847.283.7328| (fax)
> > 847.283.7610 | http://www.netrixllc.com/
> > > Internetwork Lead | CCIE# 18676 (Security)
> > >
> > >
> > > -----Original Message-----
> > > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf
> Of
> > Vincent Tay
> > > Sent: Wednesday, May 30, 2012 8:20 PM
> > > To: Arista Wirawan
> > > Cc: Cisco certification
> > > Subject: Re: Peer Neighbor Route
> > >
> > > Hi Arista,
> > >
> > > Tested. It works perfect by removing the peer neighbor-route. However,
> > if to use ip address negotiable, peer neighbour will be needed. Is there
> > any ways to overcome this as removing the peer neighbor-route is not an
> > option anymore?
> > >
> > > Regards
> > >
> > > On Thu, May 31, 2012 at 7:23 AM, Arista Wirawan <aristaw_at_gmail.com>
> > wrote:
> > >
> > >> The peer neighbor-route command on the interface serial with ppp
> > >> encapsulation will add the /32 route of the other end router.
> > >>
> > >> Try no peer neighbor-route both end, shut and mo shut.. those
> > >> additional
> > >> /32 route will be gone..
> > >>
> > >> Aris
> > >> CCIE #35534
> > >> Sent from my HTC
> > >>
> > >>
> > >> ----- Reply message -----
> > >> From: "Vincent Tay" <vtay.75_at_gmail.com>
> > >> To: "Ccielab_at_groupstudy.com" <ccielab_at_groupstudy.com>
> > >> Subject: Peer Neighbor Route
> > >> Date: Tue, May 29, 2012 11:49 PM
> > >>
> > >>
> > >> Hi all,
> > >>
> > >> I have some issue with peer neighbor route.
> > >>
> > >> Network Setup
> > >> EIGRP Domain
> > >> ________________________
> > >> |
> > >> |
> > >> |
> > >> |
> > >> OSPF 2 | OSPF 1 |
> > >> R4
> > >> ------------PPPoE-----------------R3-------------------------------R2
> > >>
> > >>
> > >> R3 has three routes as below once the PPPoE has been setup.
> > >>
> > >> C 5.5.34.3/32 is directly connected, Dialer1
> > >> O 5.5.34.0/24 [110/1786] via 5.5.34.4, 00:14:17
> > >> C 5.5.34.4/32 is directly connected, Dialer1
> > >>
> > >> However on R2, it has only two routes as below.
> > >>
> > >> O IA 5.5.34.3/32 [110/1849] via 5.5.23.3, 00:14:13, Serial0/1
> > >> O IA 5.5.34.0/24 [110/1850] via 5.5.23.3, 00:14:13, Serial0/1
> > >>
> > >> The ospf network statement is correct using "network 5.5.34.0
> > >> 0.0.0.255 area 2" on R3. My question is what happen to 5.5.34.4 route.
> > >> It should appear in R2 as interarea routes right. Another question is
> > >> once i perform mutual redistribution on R3 and R2, i receive
> > >> 5.5.34.4/32 as external routes. Puzzled.
> > >>
> > >> Regards
> > >>
> > >>
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Received on Mon Jun 04 2012 - 15:38:41 ART