From: marvin greenlee (marvin@ccbootcamp.com)
Date: Mon Jan 24 2005 - 16:39:55 GMT-3
192.168.1.0/16 ge 17 will allow any with a mask length of 17 or more bits.
If you actually enter this into a router, the router will drop the third
octet, because you are really only matching the first two octets with a /16.
R1(config)#ip prefix-list 11 permit 192.168.1.0/16 ge 17
R1#show run | include prefix
ip prefix-list 11 seq 5 permit 192.168.0.0/16 ge 17
R1#
- Marvin Greenlee, CCIE#12237, CCSI# 30483
Network Learning Inc
marvin@ccbootcamp.com
www.ccbootcamp.com (Cisco Training)
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
gladston@br.ibm.com
Sent: Monday, January 24, 2005 11:18 AM
To: ccielab@groupstudy.com
Subject: Re: RE: Prefix List clarification [bcc][faked-from]
Importance: Low
Are you sure?
My reading is:
192.168.1.0/16
allows 192.168.x.x
192.168.1.0/16 ge 17
allows 192.168.x.x but must have a length greater than 18 bits in the mask
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