if u do dual redistribution, and u don't watch after the nets redistributed
into is-is from being redistributed back to rip then u'll have problems.

""Cisco Nuts""  a icrit dans le message de news:
[EMAIL PROTECTED]
> Hello,
>
> Just stumbled upon this on Rip to Isis redistribution?
>
> "If the source protocol's AD is higher than that of  IS-IS, then the
> originating routes may be over-ridden by the new IS-IS route leading to
> flapping routes and/or incorrect next-hop addresses"
>
> What does this actually mean? Does it mean the if netw. 4.0.0.0/8 (lo0
> ip=4.4.4.4/24) is being originated by Rip v1 on R1 and passed to R2
> running Rip and IS-IS, then when Rip is redistributed into  IS-IS  on R2,
> R2 applies it's AD of 115 on this route and passes it upstream to other
> L-1 and L-2 routers. How would this lead to a flapping route or an
> unreachable next-hop address?
>
> I just cannot seem to find a good example of this on CCO. Does any one
> have any suggestions on how to clarify this?
>
> (This looks like a very likey lab question) !!
>
> Thank you.
>
> Sincerely,
>
> CN
>
>
>
> ------------------------------------------------------------------------
>
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