Re: connecting a device that supports IP address, but not subnet mask or gateway to a network with multiple vlans
- From: Doug McIntyre <merlyn@xxxxxxxxx>
- Date: 29 Mar 2007 23:03:25 GMT
"Ned" <nedhart@xxxxxxxxxxx> writes:
There are devices (time clocks) connected to our network that can be
configured with an IP address but DO NOT support subnet mask or
default gateway. Somehow they work, even though we are using multiple
vlans and default gateways. Our current network consists of switches
made by Marconi, I think they are ATM doing something called LANE (Lan
emulation). I am moving to Cisco switches this weekend, 4507 at the
core. Does anyone know if these devices will continue to work on a
Cisco network without an option to configure a subnet mask and default
gateway?
They probably have a subnet mask, but it probably assumes the subnet
mask based on the ancient classful IP subnet definitions.
They don't need to have a default gateway unless the packets need to
travel over a layer-3 gateway, and you don't say enough about how your
network is layed out to say if there are layer-3 gateways between
segments.
.
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