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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Transit LAN vs. Individual LANs
> --On February 25, 2006 11:04:12 AM -0500 "Patrick W. > Gilmore" <[email protected]> wrote: > > On Feb 24, 2006, at 9:03 PM, Scott Weeks wrote: > > > >> I have 2 core routers (CR) and 3 access routers (AR) > >> currently connected point-to-point where each AR > connects to >> each CR for a total of 6 ckts. Now someone > has decided to >> connect them with Gig-E. I was > wondering about the benefits >> or disadvantages of > keeping the ckts each in their own >> individual LANs or > tying them all into one VLAN for a >> "Transit LAN" as > those folks that decided on going to Gig-E >> aren't doing > any logical network architecting (is that a >> real > word?). > > In my experience either solution has tradeoffs and the > correct one depends greatly on your traffic patterns. > Having said that, what I find causes most of the problems > in either solution is when the Layer 3 topology starts to > diverge from the Layer 2 topology. Hi Guys, Apologies for the late response, I had to do an unexpected outer island trip and got back late last night. I am just using OSPF area zero between the CRs and ARs. So, it's full mesh over a LAN if I do the "transit LAN". Is that what you're referring to? Could you elaborate? Thanks, scott
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