From: Cisco Nuts (cisconuts@hotmail.com)
Date: Sat Nov 12 2005 - 21:29:58 GMT-3
Thank you very much!
Hopefully, this clears up things for other people like me.
Sincerely.
--------------------------------------------------------------------
From: "Loi, Choon Ho" <ChoonHo.Loi@getronics.com>
To: "Cisco Nuts" <cisconuts@hotmail.com>
Subject: RE: Weird MCast ACL - ??
Date: Sat, 12 Nov 2005 22:29:31 +0800
R3 as RP for groups: Second Octet225.10.0.0 -
225.10.255.255 0000 1010225.26.0.0 - 225.26.255.255 0001 1010225.42.0.0
- 225.42.255.255 0010 1010225.48.0.0 - 225.48.255.255 0011 0000
------------------AND 0000 0000
---> 0XOR 0011 1010 ---> 58 my
answer: 225.0.0.0 0.58.255.255
Solution:----------------> 225.10.0.0 0.48.25.255 R4 as RP for groups:
first & second octet226.37.0.0 - 226.37.255.255 1110 0010 0010
0101226.45.0.0 - 226.45.255.255 1110 0010 0010 1101227.37.0.0 -
227.37.255.255 1110 0011 0010 0101227.45.0.0 - 227.45.255.255 1110
0011 0010 1101 ----------------------------AND
1110 0010 0010 0101 ---> 226 37XOR
0000 0001 0000 1000 ---> 1 8 som Solution:-------------->
226.37.0.0 - 1.8.255.255
------------------------------------------------------------------------
From: Cisco Nuts [mailto:cisconuts@hotmail.com]
Sent: Saturday, November 12, 2005 6:45 PM
To: Loi, Choon Ho
Subject: RE: Weird MCast ACL - ??
Would you kindly explain - if you don't mind?
I just cannot get it !!
:-(
--------------------------------------------------------------------
From: "Loi, Choon Ho" <ChoonHo.Loi@getronics.com>
To: "Cisco Nuts" <cisconuts@hotmail.com>
Subject: RE: Weird MCast ACL - ??
Date: Sat, 12 Nov 2005 18:36:40 +0800
>I agree with 226.37.0.0 1.8.255.255
>But, for the first one, my answer is 225.0.0.0 0.58.255.255
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
>Cisco Nuts
>Sent: Saturday, November 12, 2005 6:16 PM
>To: ccielab@groupstudy.com
>Subject: Weird MCast ACL - ??
>
>Hi Group: I have tried to understand this crazy acl. and just cannot
get
>it.How in the world do I get an even number in the wildcard mask?I
wrote
>down the 1's and 0's and tried to create a mask based on it but oh!
boy
>- was I way off?If I get such an acl in the exam, I know I am
sc****!!
>Here
>goes: R3 as RP for groups: 225.10.0.0 - 225.10.255.255 225.26.0.0 -
>225.26.255.255 225.42.0.0 - 225.42.255.255 225.48.0.0 -
225.48.255.255
>Solution:----------------> 225.10.0.0 0.48.25.255 R4 as RP for
groups:
>226.37.0.0 - 226.37.255.255 226.45.0.0 - 226.45.255.255 227.37.0.0 -
>227.37.255.255 227.45.0.0 - 227.45.255.255 Solution:-------------->
>226.37.0.0 - 1.8.255.255 Sincerely.
>
>_______________________________________________________________________
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This archive was generated by hypermail 2.1.4 : Thu Dec 01 2005 - 09:12:06 GMT-3