yes Aaron, it looks like a typo. The reference to 172.16.1.1 should be 172.16.3.1 Can you tell us which book it is, just incase any of us are also reading it?
thanks -e- ----- Original Message ----- From: "Aaron Shively" To: Sent: Thursday, October 25, 2001 7:14 PM Subject: BGP Neighbor distribute-list question? [7:24177] > I need some clarification on the the neighbor distribute-list command used > for filtering BGP updates. > > The book I am reading gives the following example, and it is either a typo > or I am just misunderstanding it. > > You have the following route filter configuration: > Router bgp 100 > Network 172.16.0.0 mask 255.255.0.0 > Neighbor 172.16.3.1 remote-as 100 > Neighbor 172.16.1.1 remote-as 100 distribute-list 1 out > > Access-list 1 deny 172.16.5.0 0.0.0.255 > Access-list 1 permit 0.0.0.0 255.255.255.255 > > > There is a diagram and 172.16.1.1/24 is on Neighbor 2 and 172.16.3.1/24 is > on Neighbor 1 > > It then says that the above configuration does the following: > The use of the distribute-list command and access-list 1 prevents the BGP > routing updates from > neighbor 1 propagating into neighbor 2's routing table. > > Also, in the diagram Neighbor 1 (172.16.3.1/24) is connected to > 172.16.5.0/24 so to me is seems > like there is a typo in the book and instead of having the config line read: > Neighbor 172.16.1.1 remote-as 100 distribute-list 1 out > > I think it should read: > Neighbor 172.16.3.1 remote-as 100 distribute-list 1 out > > This would then make the above statment correct in saying that it prevents > the BGP routing updates > from neighbor 1 propagating into neighbor 2's routing table. > > Please let me know if what I am saying sounds correct based on the above > information and that it is > in fact a typo, or if maybe I am just not understanding it correctly. > > Thanks, > > -Aaron _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=24183&t=24177 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
