From: ccie2be (ccie2be@nyc.rr.com)
Date: Tue Jul 29 2003 - 17:43:13 GMT-3
Thanks to everybody who responded to these questions. I just hope I'll
remember all these details when it really counts which will be very soon.
Thank you all. Raj
----- Original Message -----
From: "Gilbert N. Avendano" <gilbert@globenet.com.ph>
To: "Group Study" <ccielab@groupstudy.com>
Sent: Tuesday, July 29, 2003 2:02 PM
Subject: Re: Can't form Eigrp neighbors using 2ndary address
> Hi!
>
> you can try disabling split horizon on int e0 of R6...
>
> no ip split-horizon eigrp #
>
> the secondary address can't be advertise because it came
> from the same interface e0 of R6.
>
>
> On Tue, 29 Jul 2003 11:42:11 -0500
> "Robert Laidlaw" <laidlaw@consecro.com> wrote:
> > http://www.cisco.com/warp/public/103/15.html, last
> > paragraph.
> >
> > "This happens because EIGRP updates always use the
> > primary IP address of the
> > outgoing interface as the source address."
> >
> >
> > ----- Original Message -----
> > From: "Robert Laidlaw" <laidlaw@consecro.com>
> > To: "ccie2be" <ccie2be@nyc.rr.com>; "Group Study"
> > <ccielab@groupstudy.com>;
> > "Gyuri Gabor" <Gabor.Gyori@lnx.hu>
> > Sent: Tuesday, July 29, 2003 11:38 AM
> > Subject: Re: Can't form Eigrp neighbors using 2ndary
> > address
> >
> >
> > > You cannot form adj. with the secondary address. It
> > will not work for
> > eigrp
> > > or ospf.
> > >
> > >
> > > ----- Original Message -----
> > > From: "ccie2be" <ccie2be@nyc.rr.com>
> > > To: "Group Study" <ccielab@groupstudy.com>; "Gyuri
> > Gabor"
> > > <Gabor.Gyori@lnx.hu>
> > > Sent: Tuesday, July 29, 2003 11:36 AM
> > > Subject: Re: Can't form Eigrp neighbors using 2ndary
> > address
> > >
> > >
> > > > When using the 2ndary ip address (10.2.6.6 on R6's
> > int E0), R6 doesn't
> > > form
> > > > a neighbor relationship with R7 which is using ip
> > addr 10.2.6.7 on it's
> > > int
> > > > E0. R6 shows R7 as a neighbor but R7 doesn't see R6
> > as a neighbor.
> > > >
> > > > I tried using the neighbor command on R7 but that
> > didn't work. Is this
> > > > possibly a IOS version issue? R7 is using IOS 12.0
> > but R6 is running
> > > 12.1.
> > > > Or, is there a special command I need to use?
> > > >
> > > > R6 and R7 can ping each other. Thanks, Raj
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: "Gyuri Gabor" <Gabor.Gyori@lnx.hu>
> > > > To: "ccie2be" <ccie2be@nyc.rr.com>
> > > > Sent: Tuesday, July 29, 2003 11:48 AM
> > > > Subject: RE: Can ping to a 2ndary addr but not from
> > 2ndary addr
> > > >
> > > >
> > > > Routers (and hosts as well) allways use their primary
> > IP address of
> > their
> > > > outgoing interface as source address when originating
> > packet.
> > > >
> > > > When You ping 10.2.6.7 from R6, the source IP address
> > of the echo
> > request
> > > > packet is
> > > > 172.16.136.6. This address does not appear in routing
> > table of R7 so it
> > > > drops the reply packet.
> > > >
> > > > Gabor
> > > >
> > > > -----Original Message-----
> > > > From: ccie2be [mailto:ccie2be@nyc.rr.com]
> > > > Sent: Tuesday, July 29, 2003 5:40 PM
> > > > To: Group Study
> > > > Subject: Can ping to a 2ndary addr but not from
> > 2ndary addr
> > > >
> > > >
> > > > Hi,
> > > >
> > > > This seems very strange to me.
> > > >
> > > > I have 2 routers R6 and R7 connected via a Cat5k
> > Ethernet. Both routers
> > > int
> > > > E0 are in vlan 2,
> > > >
> > > > R7 config:
> > > >
> > > > int e0
> > > > ip addr 10.2.6.7 255.255.254.0
> > > >
> > > >
> > > > R6 config:
> > > >
> > > > int E0
> > > > ip addr 10.2.6.6 255.255.254.0 secondary
> > > > ip addr 172.16.136.6 255.255.255.0
> > > >
> > > > The route table of both routers shows an entry for
> > 10.2.6.0/23 and both
> > > int
> > > > are up up when I do a show int e0.
> > > >
> > > > From R7 I can ping 10.2.6.6 but from R6 I can't ping
> > 10.2.6.7
> > > >
> > > > Can anybody explain why this is and what I should
> > about it?
> > > >
> > > > I'd very much would appreciate it. Thanks, Raj
> > > >
> > > >
> > > >
> >
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