[Rack] request for an rj45 connection to a NB LAN

jim jim at well.com
Fri Aug 6 17:34:21 PDT 2010



   our topology: linksys set to 192.168.173.1 serving 
192.168.173.0 ; two 1U boxes with static IPs 
192.168.173.{20,44} ; two switches in the turing 
classroom that let computers in turing join the 
192.168.173.0 LAN. 
   we want to connect the linksys uplink to 172.30.0.0 
and have it get a dhcp assigned address on the 
172.30.0.0 LAN and thereby give each of the 1U boxes 
access to the internet so's to download packages (rpms 
for one box and dpkgs for the other). 
   the purpose of the linksys and its ip address (and 
1U boxes) is to provide an isolated LAN that lets 
people who want to learn linux sys adm stuff make 
mistakes without screwing the NB LAN. 




On Fri, 2010-08-06 at 17:10 -0700, Jonathan Lassoff wrote:
> On Fri, Aug 6, 2010 at 5:01 PM, jim <jim at well.com> wrote:
> >
> >   in the "machine room"/storage closet, in susan
> > the rack, i have two 1U machines and a linksys
> > router. i'd like to connect the uplink port of
> > the linksys router to some switch so's the two
> > 1U boxes can see the NB LAN and through to the
> > internet. the goal is to allow the two 1U boxes
> > to download software from the internet.
> >   suggestions?
> 
> Why are you using another unmanaged switch? I setup switch1, 2, and
> 3.noise so that we'll have visibility as to what's connected where,
> and to prevent any forwarding loops (they all run spanning tree).
> 
> There are plenty of free ports on switch1.noise (the 48-port Dell
> switch towards the bottom of the rack).
> 
> Unless you really need to route to another subnet, I'd just hook up to
> switch1.noise.
> Let me know if I can help.
> 
> Cheers,
> jof
> 




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