Re: Unicast RPF check!

From: Digital Yemeni (digital.yemeni@gmail.com)
Date: Fri Mar 30 2007 - 11:07:11 ART

There is nothing wrong with the frame relay mapping. When i remove the RPF
command from R2 it works fine (R1 can get successful pings).

Any more thoughts?! 

-- 
Best Regards!
Digital, CCIE# to be assigned by Cisco when it collects enough $$ out of me!
:p

On 3/30/07, Edison Ortiz <edisonmortiz@gmail.com> wrote:
>
> Check your frame maps
>
>
> On 3/30/07, Digital Yemeni <digital.yemeni@gmail.com> wrote:
> > Hi group!
> >
> > I got strange behavior and hope someone can clarify it for me.
> > I have the following simple topology:
> >
> >
> R1-----------------------------------------R2--------------------------SW1
> > 10.10.10.1              10.10.10.2    192.168.1.2         192.168.1.1
> >
> > R1 is connected to R2 via Frame-Relay
> > R2 is connected to SW1
> >
> > R1 frame-relay interface has RPF check as "ip verify unicast
> reverse-path "
> >
> > When R1 pings SW1 interface (192.168.1.1) i get RPF failure! R2 debug
> shows
> > the 192.168.1.1 IP comes from the frame-relay interface and thus drop
> the
> > traffic as spoofed IP!
> >
> > Can anyone explain what's going on?
> >
> >
> > --
> > Best Regards!
> > Digital, CCIE# to be assigned by Cisco when it collects enough $$ out of
> me!
> > :p
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html

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