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6. Click the Edit Configuration. The IP Editor dialog appears showing the
Switch’s current configuration settings.
In the “General Info” tab, entries are available to setup your EthIR Switch with its
own unique IP address according to your networking environment. Also, entries for
Gateways, DNS Servers, and Proxy settings are made in this dialog.
A unique feature is the Use DHCP option. Checking this option will disable the
entries for Switch IP, Subnet Mask, Gateway IP, DNS IP 1 and DNS IP 2. These
settings will be secured from your DHCP Server if such is implemented within your
networking infrastructure. If no DHCP server is on the network, do not check this
feature.
If the Use DHCP option is invoked, the IP Pool (for IR/PPP devices) will also obtain
available IP address from the DHCP server. If the Switch is an 8 port model, it will
request 8 IPs from the DHCP server. If it is a 16 port model, then it will request 16
IPs. However, if the DHCP server is unable to honor the request and offers, say, five
IP addresses to the IP Pool, then only up to five IR/PPP devices can connect to the
Switch. If the Use DHCP option is not invoked, then eight valid IP addresses (for an
8 port EthIR Switch model) should be secured and entered into the IP Pool. For 16
port models then 16 IP addresses should be entered. If fewer IP addresses than
available ports are entered into the IP Pool then only that number of IR/PPP
connections can be made.
For the ES101 / 301 EthIR Switch, only one IP address can be entered into the IP
Pool. So as ES1000 if it connects to network to perform network access point.
ES3011b has no IP pool, instead ES3011b Switch share the same IP (one IP) with
connected portable device.
IMPORTANT NOTE: Make certain the DHCP Server is up and running over the
network before setting the DHCP option and connect the uplink to the Switch to the
network. It takes up to three minutes for the Switch to obtain IPs for the first time. If
the DHCP server is not available but the Use DHCP option has been invoked, the Switch
will not respond to any attempts to connect to it for up to three minutes.
Searching For EthIR Switches
To update the firmware and edit the IP information of the Switches once a valid IP has
initially been set for the Switch, the Tool must first find the Switches. The Tool can
run on a Windows PC or notebook or a MacOS PC emulator. Three pieces of
information are required for the search to succeed.
9 Starting IP address.
9 Ending IP address.
9 Search timeout.