2012-05-21 9:43, Gerard Henry wrote:
hello all,
some users want to give a try at ovdc in our office. We have an old 5.1
installation on CentOS.
But actually, it's not possible because:
- DTUs are on dedicated interconnect
- ipad2 are wifi only, it's not possible to join the dedicated
interconnect with wifi
ok, i guess i can change the srss configuration to share the same
network but there is already a dhcp service (ISC software) installed,
and the Sun DHCP service doesn't permit to limit which is able to get IP
(as in ISC dhcp).
So i'm wondering if there are other solutions, if someone accepts to share?
I guess allowing DTUs to access SRSS from LAN as others described
is a good option. Alternatively you can:
1) Add a WiFi access point (not NAT/router) to the switch serving
the dedicated LAN; then your iPads connected to this WiFi would
seem like other ethernet hosts in this segment; thus you can also
seperate SRSS connections from generic internet/LAN by choosing
one or another wifi profile on the client.
2) You can limit the Sun DHCP (on Solaris at least) by associating
certain MAC addresses (of DTUs) with the needed IP addresses and
DHCP macros on a subnet that this DHCP-server instance serves.
Likewise on the ISC DHCP - and you can have several DHCP servers
serving pieces of one subnet. If this is a LAN segment, then the
DTUs (iPads) can receive SRSS-related macros as well as some IPv4
routing info, DNS servers and so on to get to the internet as well.
But you'll likely not have any random clients allowed in this case,
unless you force one of the servers (serving clients from random
MAC addresses) delay its replies and only lease an address after
several re-requests from the same client. I think ISC can do that.
Actually, nobody forces you to use Sun DHCP - you can use ISC DHCP
and pass the needed settings to DTUs. My home WiFi router box as
a DHCP server, and a properly set up DNS server at work, handled
enough magic to allow SunRaying from home to work.
My 2c, HTH,
//Jim Klimov
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