From: elpingu (elping@xxxxxxxxxx)
Date: Wed May 08 2002 - 03:09:23 GMT-3
your first is an OR your second is an AND
I am an OR type of route-map guy .....
this thead clarified the route-map well
so we can say depending on how you use a route-map it can be a OR or an AND
Ping
Nick Shah wrote:
> Ok, tell me how would you interpret this route map...
>
> route-map ABC permit 10
> match ip address 101
> match ip address 102
> set as-path prepend xxxx
> route-map ABC permit 20
>
> Wont these multiple match statements cause the route-map to compare the ip
> prefix in question to *both* the access lists and only if they match is the
> as-path prepended ? Thats how I understand it (correct me if I am wrong)
>
> If in doubt check Doyle Part I, page 812.
>
> Further proof of my understanding...
>
> http://127.0.0.1:8080/cc/td/doc/product/software/ios121/121cgcr/ip_c/ipcprt2
> /1cdindep.htm#xtocid2851338
>
> //snip//
>
> The following example redistributes OSPF intra-area and interarea routes
> with next hop routers on serial interface 0 into BGP with an INTER_AS metric
> of 5:
>
> router bgp 109
> redistribute ospf 109 route-map 10
> !
> route-map 10 permit
> match route-type internal
> match interface serial 0
> set metric 5
>
> //snip//
>
> *both* conditions should match (the route type must be intra area/inter area
> + next hop out to serial0)
>
> Thanks
> Nick
> -----Original Message-----
> From: elpingu <elping@acedsl.com>
> To: Nick Shah <nshah@connect.com.au>
> Cc: ccielab@groupstudy.com <ccielab@groupstudy.com>
> Date: Saturday, 4 May 2002 3:42
> Subject: Re: Match Statement in Route-map
>
> >hey you might want to read carefully next time
> >
> >this is what you wrote
> >
> >"so CCO says if one condition doesnt match, route is ignored, that will be
> an
> >AND operation."
> >
> >your statement is true and it would be an AND due to "one condition doesnt
> >match, route is ignored" but that is not what CCO says ..that is what you
> >wrote
> >
> >
> >this is what CCO says
> >"Any route that does not match at least one match clause relating to a
> >route-map command will be ignored;"
> >
> >This statement is an OR due to "at least one match"
> >
> >Ping
> >
> >
> >Nick Shah wrote:
> >
> >> well, it would certainly mean an AND operation, wont it ?
> >>
> >> for eg.
> >>
> >> if xyz matches conditionB....
> >> & xyz matches conditionB
> >> set clauses .....
> >>
> >> so CCO says if one condition doesnt match, route is ignored, that will be
> an
> >> AND operation.
> >>
> >> Nick
> >> ----- Original Message -----
> >> From: "elpingu" <elping@acedsl.com>
> >> To: "Krishnan Narayanan" <krishnan.narayanan@cwgoindia.com>
> >> Cc: <ccielab@groupstudy.com>
> >> Sent: Friday, May 03, 2002 12:38 PM
> >> Subject: Re: Match Statement in Route-map
> >>
> >> > you know ....always have read it as an OR clause.
> >> > read below from cco
> >> >
> >> > . Any route that does not match at least one match clause relating to a
> >> route-map command will be ignored;
> >> >
> >> > just to be sure i get it right .....I make two route maps to refer to
> my
> >> clauses.
> >> >
> >> > Ping
> >> >
> >> > Krishnan Narayanan wrote:
> >> >
> >> > > If I have multiple match statements in a route-map ,is an AND
> operation
> >> performed or an OR opertion done ?
> >> > >
> >> > > Thanks
> >> > > KRis.
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