Ascend Archive
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RE: (ASCEND) Low bit/high bit subnets
Cisco? Told you to be afraid of this?
Cisco specifically implements ip subnet zero as an IOS command and has
for a while now. This command not only works well with any thing else
that respects the difference between non natural masks on classless
boundaries, but is scheduled to be enabled by default in upcoming
releases of IOS.
Best regards,
David Van Allen - FASTNET(tm) / You Tools Corporation
dave@fast.net (888)321-FAST(3278) http://www.fast.net
FASTNET - Business and Personal Internet Solutions
>-----Original Message-----
>From: Phillip Vandry [SMTP:vandry@Mlink.NET]
>Sent: Monday, August 11, 1997 9:52 AM
>To: John Coy
>Cc: ascend-users@bungi.com
>Subject: Re: (ASCEND) Low bit/high bit subnets
>
>> I was wondering if the Ascend products will properly
>> route 'illegal' subnets such as the 0-bit and the high-bit
>> subnets. For example, if I have /27 network, can I use:
>>
>> 208.133.27.0/27 (for IP's 208.133.27.1 - 208.133.27.31)
>>
>> or
>>
>> 208.133.27.224/27 (for IP's 208.133.27.225 - 208.133.27.254)?
>
>I've been told by Ascend and by Cisco to be afraid to do that with their
>respective products, it violates specs all over the place, etc..
>
>I beleieve that's a load of crap. There's nothing wrong with doing that.
>The only thing that stops you is an obsoleted RFC.
>
>-Phil
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