Great just what I needed... an opportunity to humilate myself in public.. What a glutton I am for punishment..
R1/R2 int e0 ip access-group 101 in acesss-list 101 pemit tcp host r1/r2 eq bgp host r1/r2 gt 1023 access-list 101 permit tcp host r1/r2 gt 1023 host r1/r2 eq bgp thoughts.. -Nigel ----- Original Message ----- From: "Chuck Larrieu" To: Sent: Thursday, November 08, 2001 12:53 AM Subject: Friday Follies Returns on Thursday - Access-list construction [7:25642] > Hey you bad boys and girls! > > In preparing my pod for BGP access across the net, I have run into something > I find fascinating. Rather than post the results, I shall instead pose this > as Friday Follies on Thursday puzzle. > > The problem - to construct an access list such that the only thing that can > happen is that BGP neighbor relationships form and BGP routes are exchanged. > > Hint - there appears to be a trick, if my observations are correct. > > I will read your replies and provide my own observations and answer when I > return from my travels on Friday evening. > > > the layout: ( not that it matters in particular ) > > Router_1 Router_2 > | | > ---------------------------------- ethernet ( but it works the same for > serial ) > > Provide the access-list required on each router, so that BGP works, BGP > neighbor relationships form, BGP routes are exchanged, but no other traffic > occurs. I.e. no telnet, no ICMP, no EIGRP, no nothing. > > Extra credit if your access-lists permit only the two routers involved to > engage. > > Have Fun Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=25667&t=25667 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
