One way to think of it is as follows: Subnet Masks are for getting packets out of networks, not into them.
"Symon Thurlow" @groupstudy.com on 12/20/2001 07:56:06 PM Please respond to "Symon Thurlow" Sent by: [EMAIL PROTECTED] To: [EMAIL PROTECTED] cc: (bcc: Kevin Cullimore) Subject: Re: Mask in L3 Packet [7:29182] If you think about this logically, every IP address in your networkor the Internet is unique, regardless of mask, so why send the mask? The mask only becomes relevant locally. Symon ------------------- > In the local configuration of every device. > > Priscilla > > At 08:07 AM 12/20/01, steve skinner wrote: > >go on then pris...... > > > >you have wetted my appetite ....where is the the subnet mask kept if it isnt > >in the ip packet ????? > > > > > > >From: "Priscilla Oppenheimer" > > >Reply-To: "Priscilla Oppenheimer" > > >To: [EMAIL PROTECTED] > > >Subject: Re: Mask in L3 Packet [7:29182] > > >Date: Fri, 14 Dec 2001 13:42:36 -0500 > > > > > >From its own local config. The mask isn't in the IP packet, which does > > >come as a surpise to some people! If this isn't what you're getting at, > > >just let us know....... > > > > > >Priscilla > > > > > >At 08:20 AM 12/14/01, you wrote: > > > >This may sound like a dumb quesion, but if I send a packet to a > different > > > >host, where is the subnet mask? Where does a host get the subnet mask > > >info > > > >to do an AND operation? > > >________________________ > > > > > >Priscilla Oppenheimer > > >http://www.priscilla.com > >_________________________________________________________________ > >Join the worlds largest e-mail service with MSN Hotmail. > >http://www.hotmail.com > ________________________ > > Priscilla Oppenheimer > http://www.priscilla.com [EMAIL PROTECTED] > Cheers, Symon ================================================================ This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addressee, you must not use, copy, disclose or take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation. ================================================================ Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=29833&t=29182 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]