From: Aaron DuShey (aaron.dushey@xxxxxxxxxxxxxxxxxxxxx)
Date: Sun Aug 27 2000 - 15:36:33 GMT-3
access-list 101 deny ip 129.0.0.0 0.254.255.255 host 255.255.0.0
access-list 101 deny ip 192.168.1.0 0.0.254.255 host 255.255.255.0
1st statement-Deny even numbered class B matching last bit in 2nd octet as
even-host 255.255.0.0 matches class B
2nd statement-Deny odd(1) numbers class c(host 255.255.255.0)
Yes no?
good challenge
Aaron DuShey
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Simon Baxter
Sent: Saturday, August 26, 2000 5:51 PM
To: CCIE Group Study (E-mail)
Subject: An access-list challenge
For anybody up to it..
not too nasty..
RTRA
router bgp 100
distribute-list 101 in
create access-list 101 so that RTRA doesn't accept even numbered class B
routes with a mask <16 bits or odd numbered class C routes with a mask >24
bits.
I hope it didn't take you as long as it did me!!
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