From: Joseph D. Phillips (josephdphillips@fastmail.us)
Date: Sat Jul 24 2004 - 20:50:43 GMT-3
Thanks, Scott!
On Sat, 24 Jul 2004 12:18:00 -0400, "Scott Morris" <swm@emanon.com>
said:
> 239 is a /8 for private multicasts. 224/4 is ALL multicast ranges.
>
>
> Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
> CISSP,
> JNCIP, et al.
> IPExpert CCIE Program Manager
> IPExpert Sr. Technical Instructor
> swm@emanon.com/smorris@ipexpert.net
> http://www.ipexpert.net
>
>
>
> -----Original Message-----
> From: Joseph D. Phillips [mailto:josephdphillips@fastmail.us]
> Sent: Saturday, July 24, 2004 9:25 AM
> To: mani poopal; Scott Morris; alsontra@hotmail.com; 'Brian McGahan';
> group
> study
> Subject: RE: Administrativly scooped address
>
> So how does the 239.0.0.0 address space mask out? it's not /24. Is it /4?
>
> Let's say a permit or deny statement.... per 239.0.0.0 240.255.255.255?
>
>
> On Sat, 24 Jul 2004 06:13:56 -0700 (PDT), "mani poopal"
> <mani_ccie@yahoo.com> said:
> > Hi,
> >
> > (A.)RFC1918 ranges are what Scott specified:Private IPv4 addresses
> > (10.x.x.x.x,172.16.x.x and 192.168.x.x,)
> >
> > (B.)Multicast Administratively scoped addresses(Similar to private
> > address)
> > 239.0.0.0 - 239.255.255.255
> >
> > Pay a special attention to wording in the exam
> >
> > thanks
> >
> > Mani
> >
> > Scott Morris <swm@emanon.com> wrote:
> > Unless your told to, why are you including multicast and expirimental
> > ranges?
> >
> > By your wording, the 1918 addresses are:
> >
> > 3. Private Address Space
> >
> > The Internet Assigned Numbers Authority (IANA) has reserved the
> > following three blocks of the IP address space for private internets:
> >
> > 10.0.0.0 - 10.255.255.255 (10/8 prefix) 172.16.0.0 - 172.31.255.255
> > (172.16/12 prefix) 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
> >
> > (Which of course, could be verified by going to google and searching
> > for RFC
> > 1918) :)
> >
> > HTH,
> >
> >
> > Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
> > CISSP, JNCIP, et al.
> > IPExpert CCIE Program Manager
> > IPExpert Sr. Technical Instructor
> > swm@emanon.com/smorris@ipexpert.net
> > http://www.ipexpert.net
> >
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > Of alsontra@hotmail.com
> > Sent: Friday, July 23, 2004 6:33 PM
> > To: Brian McGahan; ccielab@groupstudy.com
> > Subject: Re: Administrativly scooped address
> >
> > Thanks Brain/All
> >
> > but..... I'm only interested in verifying 1918 addresses. Would the
> > following be considered complete?
> >
> > > > ip access-list extended RFC1918
> > > > deny ip 10.0.0.0 0.255.255.255 any deny ip 172.16.0.0 0.15.255.255
> > > > any deny ip 192.168.0.0 0.0.255.255 any deny ip 224.0.0.0
> > > > 15.255.255.255 any deny ip 240.0.0.0 15.255.255.255 any permit ip
> > > > any any
> > > >
> >
> >
> > ----- Original Message -----
> > From: "Brian McGahan"
> > To: ;
> > Sent: Friday, July 23, 2004 11:33 AM
> > Subject: RE: Administrativly scooped address
> >
> >
> > > Al,
> > >
> > > It depends what you are trying to match, as there is a big
> > > difference between "private" addresses and "reserved" addresses.
> > >
> > > "Private" addresses refer to those defined in RFC1918. These are the
> > > 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16 addresses.
> > >
> > > "Reserved" addresses refer to a *much* larger block of addresses,
> > > and (just to name a few) include the following:
> > >
> > > 0.0.0.0/8
> > > 1.0.0.0/8
> > > 2.0.0.0/8
> > > 5.0.0.0/8
> > > 7.0.0.0/8
> > > 23.0.0.0/8
> > > 27.0.0.0/8
> > > 31.0.0.0/8
> > > 36.0.0.0/8
> > > 37.0.0.0/8
> > > 39.0.0.0/8
> > > 41.0.0.0/8
> > > 42.0.0.0/8
> > > 71.0.0.0/8
> > > 72.0.0.0/8
> > > 73.0.0.0/8
> > > 74.0.0.0/8
> > > 75.0.0.0/8
> > > 76.0.0.0/8
> > > 77.0.0.0/8
> > > 78.0.0.0/8
> > > 79.0.0.0/8
> > > 89.0.0.0/8
> > > 90.0.0.0/8
> > > 91.0.0.0/8
> > > 92.0.0.0/8
> > > 93.0.0.0/8
> > > 94.0.0.0/8
> > > 95.0.0.0/8
> > > 96.0.0.0/8
> > > 97.0.0.0/8
> > > 98.0.0.0/8
> > > 99.0.0.0/8
> > > 100.0.0.0/8
> > > 101.0.0.0/8
> > > 102.0.0.0/8
> > > 103.0.0.0/8
> > > 104.0.0.0/8
> > > 105.0.0.0/8
> > > 106.0.0.0/8
> > > 107.0.0.0/8
> > > 108.0.0.0/8
> > > 109.0.0.0/8
> > > 110.0.0.0/8
> > > 111.0.0.0/8
> > > 112.0.0.0/8
> > > 113.0.0.0/8
> > > 114.0.0.0/8
> > > 115.0.0.0/8
> > > 116.0.0.0/8
> > > 117.0.0.0/8
> > > 118.0.0.0/8
> > > 119.0.0.0/8
> > > 120.0.0.0/8
> > > 121.0.0.0/8
> > > 122.0.0.0/8
> > > 123.0.0.0/8
> > > 124.0.0.0/8
> > > 125.0.0.0/8
> > > 126.0.0.0/8
> > > 127.0.0.0/8
> > > 173.0.0.0/8
> > > 174.0.0.0/8
> > > 175.0.0.0/8
> > > 176.0.0.0/8
> > > 177.0.0.0/8
> > > 178.0.0.0/8
> > > 179.0.0.0/8
> > > 180.0.0.0/8
> > > 181.0.0.0/8
> > > 182.0.0.0/8
> > > 183.0.0.0/8
> > > 184.0.0.0/8
> > > 185.0.0.0/8
> > > 186.0.0.0/8
> > > 187.0.0.0/8
> > > 189.0.0.0/8
> > > 190.0.0.0/8
> > > 197.0.0.0/8
> > > 223.0.0.0/8
> > > 240.0.0.0/8
> > > 241.0.0.0/8
> > > 242.0.0.0/8
> > > 243.0.0.0/8
> > > 244.0.0.0/8
> > > 245.0.0.0/8
> > > 246.0.0.0/8
> > > 247.0.0.0/8
> > > 248.0.0.0/8
> > > 249.0.0.0/8
> > > 250.0.0.0/8
> > > 251.0.0.0/8
> > > 252.0.0.0/8
> > > 253.0.0.0/8
> > > 254.0.0.0/8
> > > 255.0.0.0/8
> > >
> > > There are also many addresses that are not included in the
> > > "reserved" range that are not valid addresses. These addresses are
> > > tracked on a list called the "bogon" list, and are addresses that
> > > are not yet allocated, hence not valid (bogus). For more info on the
> > > bogon list see:
> > >
> > > http://www.completewhois.com/bogons/data/bogons-cidr-all.txt
> > >
> > >
> > > HTH,
> > >
> > > Brian McGahan, CCIE #8593
> > > bmcgahan@internetworkexpert.com
> > >
> > > Internetwork Expert, Inc.
> > > http://www.InternetworkExpert.com
> > > Toll Free: 877-224-8987 x 705
> > > Outside US: 775-826-4344 x 705
> > > 24/7 Support: http://forum.internetworkexpert.com
> > > Live Chat: http://www.internetworkexpert.com/chat/
> > >
> > >
> > > > -----Original Message-----
> > > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> > > > Behalf
> > > Of
> > > > alsontra@hotmail.com
> > > > Sent: Thursday, July 22, 2004 10:42 PM
> > > > To: ccielab@groupstudy.com
> > > > Subject: Administrativly scooped address
> > > >
> > > > Group,
> > > > If asked to block private ip and multicast ranges, would the
> > > > following accomplish the task? I'm assuming there is an error in
> > > there
> > > > somewhere. I've checked this several times, but apparently I'm
> > > > somehow making mistakes?
> > > >
> > > > ADMIN SCOPE FOR IPV4-
> > > >
> > > > ip access-list extended RFC1918
> > > > deny ip 10.0.0.0 0.255.255.255 any deny ip 172.16.0.0 0.15.255.255
> > > > any deny ip 192.168.0.0 0.0.255.255 any deny ip 224.0.0.0
> > > > 15.255.255.255 any deny ip 240.0.0.0 15.255.255.255 any permit ip
> > > > any any
> > > >
> > > > ADMIN SCOPE FOR IPV4 MULTICAST
> > > >
> > > > ip access-list extended RFC2365
> > > > deny ip 239.0.0.0 0.255.255.255 any permit ip any any
> > > >
> > > > Thanks,
> > > > Alsontra
> > > >
> > > >
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> > > ___
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