RE: ACL to block /29 route?

From: Raj (raj.bahad@xxxxxxxxxxxxxx)
Date: Tue Aug 20 2002 - 09:16:02 GMT-3


   
Guys,

Could you not use the following as an alternative to prefix-lists?

access-list 101 permit 168.1.10.0 0.0.0.255 255.255.255.0 0.0.0.0

Or is there a restriction on using extended access-lists with route-maps?

Thanks,

Raj.

-----Original Message-----
From: Brian McGahan [mailto:brian@cyscoexpert.com]
Sent: 20 August 2002 12:41
To: 'Raj'; 'William Wong Kun Sing'; 'Groupstudy'
Subject: RE: ACL to block /29 route?

William,

        You need to use a prefix-list to match this route, since an
access-list cannot match on prefix and length. Your syntax would look
like:

Ip prefix OSPF permit 168.1.10.0/24
!
Route-map OSPF2RIP permit 10
 Match ip address prefix-list OSPF
!
router RIP
 redistribute OSPF 1 metric 1 route-map OSPF2RIP
!

        This is assuming that you already have the /24 summary on R2.

HTH

Brian McGahan, CCIE #8593
Director of Design and Implementation
brian@cyscoexpert.com

CyscoExpert Corporation
Internetwork Consulting & Training
http://www.cyscoexpert.com
Voice: 847.674.3392
Fax: 847.674.2625

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Raj
Sent: Tuesday, August 20, 2002 6:11 AM
To: William Wong Kun Sing; 'Groupstudy'
Subject: RE: ACL to block /29 route?

How about this:

area x range 168.1.10.0 255.255.255.0

If anyone disagrees, let me know!

Raj.

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
William Wong Kun Sing
Sent: 20 August 2002 11:58
To: 'Groupstudy'
Subject: ACL to block /29 route?

Hi guys

I have these 2 ospf routes in r2 being redistributed into rip in r2:

168.1.10.0/29
168.1.10.0/24

 ---------OSPF--------r2------------RIP----------------r3
   168.1.10.0/29 166.1.10.0/24

I just want to advertise the /24 network to r3. How can I achieve that?

Thanks in advance.

Best regards,

William



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