Linux Gurus!
I'm in need of some advice, and this is the best place I could think of to
turn.
Ok, here's the skinny:
At my organization we are looking to implement both DHCP, and DNS (separate
questions), and I have some concerns.
DHCP:
We have a large campus environment across several blocks, and most of the
more remote locations are connected together by 10M ethernet via microwave.
These links are pretty heavily utilized, so in our quest to implement DHCP,
the thought has come up to locate multiple DHCP servers throughout the
network. For example, putting a DHCP server in the most remote building, to
service "just that building" and not having to propogate the DHCP traffic
across the smaller network pipes. Additionally, we would have another DHCP
server in the main data center to answer requests for the directly connected
floors/buildings. All of our network hubs are 10M switched to the desktop,
and for the most part a 100M collapsed backbone, with a few 10M backbone
links.
Will there be any problem with running multiple DHCP servers across the
network? I'm not wanting to have to add specific MAC addresses to the
server each time a new machine goes on to the network at any location. I'm
thinking that a request would go out, and get 2 responses (albeit at
slightly different times), and our traffic is still going to propogate over
the slow links, regardless. Am I right?
DNS:
Currently we are usind NAT with a firewall, and our internal network is
159.139.0.0 (which we don't own - the previous net admin just picked them
out of a hat, and yes I am planning on replacing them with RFC1918
addresses..) and we would like to set up our own DNS servers to resolve to
some internal hosts, as well as provide name resolution for FQDN's out on
the internet - sort of a mix of a internal DNS and an external DNS all in
one "box". Would I have to have 2 seperate boxes? I also don't want our
"internal" hosts FQDN's propogated outside of our network. Any suggestions,
tips, etc?
Thanks for any suggestions, in advance!
- Larry
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