From: Godswill Oletu (oletu@inbox.lv)
Date: Wed Sep 07 2005 - 15:48:39 GMT-3
Ryan,
They both do the same thing, but a little differently. There are situations
where the use of one is preferred over the other.
There is more similiarity between route-map (using match ip address/match ip
address prefix-list) and 'distribut-list in' than with 'distribute-list
out'. With both, you can filter the unwanted routes at the point of
redistribution into the destination routing protocol.
'Distribute-list out' tells the source routing protocol not to forward the
route in the first place, while route-map filters the route after it has
been forwarded and is at the destination router and routing protocol.
Route-map is more granular than distribute-list out; distribute list affects
all routers connected to a given interface or a particular routing protocol
(depending on how it is applied), but route-map only affects the routing
protocol on which it is configured.
There are many other differences, others in this group will be able to
contribute.
HTH
Godswill Oletu
----- Original Message -----
From: "Private Ryan" <private_ryan2k1@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, September 07, 2005 12:34 PM
Subject: What is difference about "distribute-list out" and route-map ?
> Hi
>
> In the beloew example, I think I can use route-map to
> filter the route in redistribution. What is the
> advantage of using "distribute-list out" ?
>
> interface serial 0
> ip add 130.10.62.1 255.255.255.0
> !
> interface serial 1
> ip add 130.10.63.1 255.255.255.0
> !
> interface ethernet 0
> ip add 130.10.8.1 255.255.255.0
> !
> interface tokenring 0
> ip add 130.10.9.1 255.255.255.0
> !
> router rip
> default-metric 10
> network 130.10.0.0
> passive-interface serial 0
> passive-interface serial 1
> redistribute ospf 109
> distribute-list 10 out ospf 109
> !
> router ospf 109
> network 130.10.62.0 0.0.0.255 area 0
> network 130.10.63.0 0.0.0.255 area 0
> redistribute rip subnets
> distribute-list 11 out rip
> !
> access-list 10 deny 130.10.8.0 0.0.7.255
> access-list 10 permit 0.0.0.0 255.255.255.255
> access-list 11 permit 130.10.8.0 0.0.7.255
> access-list 11 deny 0.0.0.0 255.255.255.255
>
>
>
>
>
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