Beating up layer 8 guys and girls with a burned down router over the had typically helps...
Jeffrey Reed wrote: > > Im rather new to the Cisco world but have with other vendors. I need some > help with design Best Practices. Recently there was a post that told us > the max switch hop in a network should be about 7 hops. As a reseller, I am > working with a customer who has the following network design: > > Internet-3600-PIX-6500(r)-G-6500(s)-G-5500-5000-3500-1900-10M-3COMhub > > Unless indicated by a G or 10M, the link between devices is 100M. The > 6500(r) does all the routing, the 6500(s) is where about 7 5500s hang off > on Gig fiber. Each 5500 has about 3-4 5000s connected with 100M fiber. Each > 5000 has about 10-12 3500s which have about 8-12 1900s. Each of the 1900s > have about 4-8 3COM 10M hubs with students. Their teachers and admin staff > sit on 10m & 100M links in the 5500s & 5000s. The 6500(s) has about 200 > users via 100M. All the links support trunking until you hit a 1900. Ive > over-simplified for this example, but I think you get the idea. > > This network just sort of grew this way over the years. Older equipment is > pushed out to the edge as newer equipment is installed in the core. They > report a lot of random problems all blamed on the network. Their firmware is > pretty up to date and the hardware is reliable. > > While they are still using AppleTalk, a little IPX and mostly IP, I believe > their network is too complex with all the switch hops. I want to propose a > redesign that puts a user no more than three hops from the core 6500. This > may mean new single mode fiber in some locations and upgrades to hardware in > other locations. Im not looking for design help, Im looking for a smooth > way of telling the customer their design is the problem, not the hardware > itself. > > Any suggestions on how you have approached a customer or better yet, your > boss, on the need to have a proper design, even if it means additional > investment in fiber and effort to implement?? > > I appreciate the help from this group > > Jeff -- Sergei Gerasimtchouk SiteSmith, Inc. 888.898.7667 Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=38497&t=38453 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
