That means "I want to match networks with 201.2 in the first two octets, but subnet mask should be 255.0.0.0 or less".
On Sun, May 2, 2010 at 11:26 PM, Bodnar, Edward <[email protected]>wrote: > So is this valid? > > Ip prefix-list EIGRP permit 201.2.0.0/16 le 8 > > > > *From:* Adam [mailto:[email protected]] > *Sent:* Sunday, May 02, 2010 5:21 PM > *To:* Bodnar, Edward > *Cc:* [email protected] > *Subject:* Re: [OSL | CCIE_RS] Vol 3 Lab 1 Task 3.3 > > > > 201.2.0.0/16 means 201.2/16 subnet only, exactly this prefix, first 16 > bits have to be 201.2 and subnet mask must be set to 255.255.0.0 (in JunOS > route-lists there is an "exact" word for that). Exactly what you have > specified and nothing else. > 201.2.0.0/16 le 32 means that the first two octets still have to be 201.2, > but subnet masks can vary from /16 up to /32, which means that it covers > also subnets falling into 201.2/16 range. Match 201.2/16, don't care about > last two octets, but subnet mask must fall into <255.255.0.0; > 255.255.255.255> range. > > On Sun, May 2, 2010 at 11:06 PM, Bodnar, Edward <[email protected]> > wrote: > > Prefix lists are still getting me. > > > > In this task I did not use the le 32 and the end of my entries. Not sure > I understand why I would need that > > > > Example > > > > Ip prefix-list Ed permit 201.2.0.0/16 ß what I used > > Ip prefix-list EIGRP permit 201.2.0.0/16 le 32 ß answer key used > > > > > > Ed, > > > > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com >
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