From: FATHALLAH (sfathallah@mail.cbi.net.ma)
Date: Tue May 27 2003 - 12:09:10 GMT-3
00 04 08 0B all are multiple of 4. so 0C0C mean that the first and second
bits must be "0" and Third or/and fourth can be 1 or 0. witch give you 00,
04, 08,0B.
Said FATHALLAH
-----Message d'origine-----
De : nobody@groupstudy.com [mailto:nobody@groupstudy.com]De la part de
lg01
Envoyi : mardi 27 mai 2003 11:01
@ : ccielab@groupstudy.com
Objet : Filtering SNA
Hello group,
If anyone can shed some lights on this, that would be greatly appreciated.
In an exercise, it asked me to only allow SNA traffic from RTA. And it said
that the SNA ports used will be 00, 04, 08 & 0B.
But somehow... the answwer config gives:
access-list 200 permit 0x0000 0x0C0C
But I don't understand how they dervie / calculate this ACL.
Thanks.
H.
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