From: James.Jackson@broadwing.com
Date: Fri Jul 25 2003 - 17:45:06 GMT-3
> In all the sample questions I read, whenever there is a requirement to
> redistribute a specific network into an IGP or filter a specific network,
> the proposed solution never matches the mask.
>
> ex. Redistribute 172.16.101.0/24 into RIP
>
> I see the following solutions at times:
>
> redistribute connected metric 2 route-map con2rip
> route-map con2rip permit 10
> match ip address 10
> access-list 10 permit 172.16.101.0 <--- which exactly matches the network
> prefix 172.16.101.0 but with any mask so 172.16.101.0/30 would work
>
> redistribute connected metric 2 route-map con2rip
> route-map con2rip permit 10
> match ip address 10
> access-list 10 permit 172.16.101.0 0.0.0.255 <--- which matches any subnet
> prefix within 172.16.101.0/24 such as 172.16.101.4/30
>
>
> I would say that the solution would also match mask as follows:
>
> redistribute connected metric 2 route-map con2rip
> route-map con2rip permit 10
> match ip address prefix-list 10
> ip prefix-list 10 seq 5 permit 172.16.101.0/24
>
>
> This could be extended to distribute-lists etc. Should we be assuming that
> the first two methods are acceptable ???
>
> Thanks,
> James
>
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