Re: Access limitations(?), and moving to a simple LAN
- From: druck <news@xxxxxxxxxxxxxxxx>
- Date: Sat, 08 Oct 2005 17:35:44 +0100
On 8 Oct 2005 Jeremy C B Nicoll <Jeremy@xxxxxxxxxxxxxxxx> wrote:
> I've no LAN yet, but yesterday (with Govind Kharbanda's help) connected
> my newish Iyonix (RO 5.09) to my RPC (RO 3.7), using one Cat5 cable.
> Access was enabled in both machines, and TCP/IP left turned off in both.
>
> When both machines were rebooted Access seemed to work ok from either
> machine.
In the absence of the TCP/IP configuration having been performed, Access will
assign IP addesses in the default range based on the MAC address, which will
allow communication between them.
> When we tried enabling TCP/IP in both machines (via Configure) with
> suitable definitions in place, both machines were able to ping the
> other. When we were doing this I removed my normal ANT Suite Internet
> stuff from the RPC's boot-up, so only the Configure definitions/
> processing were in place.
That sounds good so far. The ANT suite only complicates issues.
> But, although Access was turned on in both, and - on the surface
> appeared to work - eg a "Discs" icon was visible on both machines' icon
> bars, actually trying to use Access didn't work. The Iyonix couldn't
> see shares defined on the RPC. On the RPC we saw aborts, disappearance
> of the "Discs" icon, and on subsequent attempts I've also seen sections
> of white-on-black writing appear at the top of the GUI display. The
> writing contains snippets of words like "ShareFS" and "exec", and
> F12-enter doesn't make it go away (or perhaps it goes, but it comes
> back).
Check what versions of the internet module, the ethernet driver
and sharefs & freeway modules. If using the ANT suite you may not have
updated these within !System.310.Modules from versions held within the ANT
Suite.
> Is the idea of Access just to provide disk sharing between two RO
> machines on the ends of one cable? Can it handle >2 machines? If I
> had several RO machines each with a cable to a network hub/switch would
> Access allow sharing between all of them?
It will handle any number of machines on the local network.
> Is Access meant to work if TCP/IP is turned on?
Yes, it should function correctly.
> When I turn TCP/IP on in the RO machines, should I expect to have to
> turn Access off?
No.
> Incidentally, can one turn Access on/off without rebooting both
> machines? Or RMKill & RMReInit something or other at each end and
> expect that to work?
Yes, but best to concentrate on getting things to work with the normal
procedure before getting in to module reinitialisation ordering.
> Does it make sense for me to be able to have the machines connected
> here, eg as 10.0.0.1 and 10.0.0.2, and also be able to make a dial-up
> link to Demon from the RPC?
Thats how my machines are set up, and worked on dialup and now broadband.
> I know that Demon allocate static IP addresses - mine is 158.152.58.5 - but
> that doesn't make sense in terms of a LAN's 10.0.0.x addresses. I don't
> understand what device actually has the 158.152.58.5 address - is it
> something on the other side of Demon's modems, or is it something in the IP
> stack on the RPC, only pingable when the underlying dial-up connection is
> working? Can two such connections co-exist here?
Its the IP address of the serial PPP connection to the modem, as opposed to
the 10.0.0.x address assigned to the ethernet card. A machine can have any
anumber of interfaces each with a different address, as long as the routing
tables are updated so the internet module knows which one to use for any
particular address.
> I know that it's possible to define both dial-up and LAN-based
> connections in the ANT Suite's configuration dialogues, though I don't
> know what that actually does, nor how one tells the Suite which
> connection to actually use, assuming that it routes traffic over one or
> the other but not both.
The routing tables will be updates by the dialup software, which on
connection will set the default route to the modem so everything goes to
there except traffic for the local network.
> Apart from the transition time, I think I'd like to keep the ability to
> dial into Demon (and maybe another ISP I have an account with) as a
> backup/alternate way of sending news/mail for times that the TW cable
> connection isn't working. I don't require that to be on the RPC,
> necessarily - is there a way to define both a broadband and dial-up
> connections on the internet software on the Iyonix?
Yes, you just set up the networking so that the broadband router is the
default gateway. All non local traffic will then be sent to it. If you then
run some dialup software (such as !Dialup) that will set the default route to
the modem so that gets used in preference. On hanging up it should restore
the default so broadband gets used again.
My Iyonix and RPC are connected on a local network to a broadband router, and
sharing discs via access. Occationally I run !DialUp on the Risc PC to log in
to my backup ISPs network so that the account stays alive. So all you want to
do is possible.
---druck
--
The ARM Club Free Software - http://www.armclub.org.uk/free/
The 32bit Conversions Page - http://www.quantumsoft.co.uk/druck/
.
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