From: Taz Kazam (taz_kazam@xxxxxxxxxxx)
Date: Mon Aug 20 2001 - 12:11:52 GMT-3
Guys,
Although slightly off the point. I just finished
reading up on RPF. From my reading RPF was used in the
context of the internet - How to avoid DoS attacks -
used on BGP edge devices.
Q? How is RPF used in relation to Multicasting ???
Thanks
Taz.
--- rsevier <rsevier@zealousolutions.com> wrote: >
Atakan - Check your unicast table. The RPF lookups
> are dependent on the
> unicast table and mroutes.
>
> Raymond
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> Atakan SAN
> Sent: Monday, August 20, 2001 7:46 PM
> To: ccielab@groupstudy.com
> Subject: RPF lookup failed stuff with auto rp
>
>
> Hi Group
>
> Very straightforward but hitting a strange issue
> sparse-dense mode all
>
> X3---------------- X2
> '
> '
> '
> '
> X1
>
> Testing auto-rp---> X3' s loopback0 192.19.27.7 is
> used for both
> announce and discovery messages for auto-rp
>
> I am having RPF lookup faileds as follows on X1
> 15:55:47: IP: s=192.19.27.7 (Serial0.12)
> d=224.0.1.39 len 52, RPF lookup
> faileds
> 15:55:47: IP: s=192.19.27.7 (Serial0.13)
> d=224.0.1.39 len 52, RPF lookup
> faileds
> 15:55:47: IP: s=192.19.27.7 (Serial0.12)
> d=224.0.1.40 len 52, RPF lookup
> faileds
> 15:55:47: IP: s=192.19.27.7 (Serial0.13)
> d=224.0.1.40 len 52, RPF lookup
> faileds
> X1#
> 15:56:47: IP: s=192.19.27.7 (Serial0.12)
> d=224.0.1.39 len 52, RPF lookup
> faileds
> 15:56:47: IP: s=192.19.27.7 (Serial0.13)
> d=224.0.1.39 len 52, RPF lookup
> faileds
> 15:56:47: IP: s=192.19.27.7 (Serial0.12)
> d=224.0.1.40 len 52, RPF lookup
> faileds
> 15:56:47: IP: s=192.19.27.7 (Serial0.13) d=224
>
> Thanks
> Atakan
> **Please
> read:http://www.groupstudy.com/list/posting.html
> **Please
> read:http://www.groupstudy.com/list/posting.html
>
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