Configuring callVantage
Equpment -
D-Link DVG-1120M: VoIP Gateway
Linksys BEFSX41: EtherFast Cable/DSL Firewall Router
with 4-Port Switch/VPN Endpoint
Linksys EPSX3: EtherFast 10/100 PrintServer
Disclamer: I know nothing about networks - I'm an old
8-bit assembly language programmer that loves to torture myself with Microsoft
products (and apparently networks too) -
The following arrangement and settings will work and
work well - This particular arrangement of settings uses Fixed IPs so that port
forwarding can be utuilized in the D-Link Gateway for those programs that need
to receive unsolicited TCP/IP packets from the 'net (chat programs, web cam
server, etc) - I puzzled through most of it myself - a friend of mine did
explain a few issues to me - Many thanks Doug!
Connections:
Run an ethernet straight-through cable from the
DSL/Cable modem to the D-Link Gateway - plug the service phone into the D-Link
Gateway -
You of course need to configure the D-Link Gateway
with your broadband connection information, following the directions that came
with the callVantage service or the D-Link Gateway -
At this point you should be able to reboot and have
VoIP phone service available, irrespective of the status of the rest of the
components (off/on/not hooked up/hooked-up, not working/hooked-up, working) -
The Linksys Gateway (BEFSX41) is overkill by a mile,
but I had one that wasn't being used for anything else - in this arrangement it
is only being used as a switch - the WAN (and WAN port) is not used,
consequently it's firewall isn't being used either - a simple switch would work
just fine -
Techinically an ethernet CROSSOVER cable ought to be
run from the D-Link LAN to one of the four Linksys Gateway LAN ports - However,
per the user guide [Chapter 3, figure 3-1, page 9], ports 1-3 and the DMZ port
auto-detect crossover and straight-through cables, so either is acceptable if
you have a BEFSX41 Gateway, or a Gateway/Router/Switch with auto-detect -
NOTA BENE: the WAN port on the Linksys is UNUSED -
The rest of the connections should be as generally
described in the normal installation - that is an ethernet straight-through
cable from each PC network card to a Linksys Gateway unused LAN port, another
from a Linksys Gateway LAN port to the Linksys PrintServer -
If you don't have a PrintServer, simply ignore any
comments/instructions - if you have a different device, you 'should' be able to
connect those devices in the same fashion as the PrintServer - unfortunately, I
can't help you with other devices -
Settings:
There is only ONE network with several devices
(hosts) connected together - in case you didn't know (and I didn't, the first 3
octets define a network, in this case I used 192.168.15.host - This is the default
used by the D-Link Gateway - each host on the network MUST be unique - the
D-Link Gateway (default) used 1, I used 10 for one computer, 20 for another
computer, 99 for my Linksys PrintServer and 88 for Linksys Gateway - the
default host for the Linksys Gateway is 1, but that needs to be changed to
avoid conflict with the D-Link Gateway - remembering to change it for all
devices, the network assignment is somewhat arbitrary - The Linksys Gateway and
PrintServer uses 192.168.1.host as a default -
A tip: You can only access the Linksys Gateway and
PrintServer configuration panels when the network IP of your computer match the
network IP of the device - let's say that your computer, the Linksys Gateway
and PrintServer all have an IP addy 192.168.1.host - you change the Linksys
Gateway to 192.168.15.host - at that point, you will no longer be able to
access the Linksys Gateway configuration panel - change the Linksys PrintServer
to 192.168.15.host and you will no longer be able to access the Linksys PrintServer
configuration panel - change your computer IP assy to 192.168.15.host and you
will then be able to gain access to the Linksys configuration panels - remember
AVOID duplicate host Octets -
Another tip: You should set any devices providing
DHCP services to start with address 100 - if you assign hosts in the 1-99
range, then your host assignments and any DHCP assignments should peacefully
coexist - to be honest, the only reason I had to (more like chose to) mess with
fixed IPs is because a few chat programs want to be able to send unsolicited
TCP/IP packets to your computer and the usual way to do that is to assign fixed
IP addys and use port forwarding - also, I do run a local web cam on occasion -
___________________________
D-Link DVG-1120M Gateway:
WAN settings should come via DHCP from your ISP when
the Gateway logs onto your ISP account -
LAN Settings
LAN IP Adresss
192.168.15.1
LAN Netmask
255.255.255.0
Dynamic IP Assigment
Start IP Address 192.168.15.100
IP Range 100
[Highest IP address assigned by DHCP is
192.168.15.199 - 100+100-1]
___________________________
PC Network card settings - Command
Prompt>Ipconfig /all
Windows 2000 IP Configuration
Host
Name . . . . . . . . . . . . : YourHostName
Primary DNS Suffix . . . . . . .
:
Node
Type . . . . . . . . . . . . : Broadcast
IP
Routing Enabled. . . . . . . . : No
WINS
Proxy Enabled. . . . . . . . : No
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix .
:
Description
. . . . . . . . . . . : Network Everywhere Fast Ethernet Adapter(NC100 v2) #2
Physical Address. . . . . . . . . : 00-03-6D-1B-4C-9B
DHCP
Enabled. . . . . . . . . . . : No
IP
Address. . . . . . . . . . . . : 192.168.15.10
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.15.1
DNS
Servers . . . . . . . . . . . : 151.196.0.38
151.196.0.39
I set IP address to 192.168.15.10
The Default Gateway comes from the D-Link Gateway
The DNS Servers are those used by my ISP and can be
found on the D-Link Gateway configuration panel
___________________________
The Linksys Gateway (BEFSX41) - Fixed IP Address:
Device IP Address 192.168.015.088
Subnet Mask 255.255.255.000
The following are unused, but these are 'safe'
settings
WAN connection type to "Obtain IP
automatically"
DHCP Server, Starting Address: Network.100
___________________________
PrintServer - Fixed IP Address:
Device IP Address 192.168.015.099
Subnet Mask 255.255.255.000
Gateway IP Address 192.168.015.001
___________________________
Problems - not understood -
The DNS servers on the PC ethernet card should be able
to be set to the D-Link Gateway IP Address (192.168.15.1) instead of the ISP
DNS servers - but it won't work - and it should -
___________________________
The D-Link has an alternative interesting method to
set a fixed IP for a device -
DHP Confirguration
Static IP Assigment [Edit]
Put in the MAC address of the the device (say your
PC's network card)
IP Address 192.168.15.10
Net Mask 255.255.255.0
Default Gateway 192.168.15.1
DNS1 Server 151.196.0.38 [your ISP's DNs]
Satus Enable
Click save and it will set your network card for
those values -
___________________________
If you have more questions, send me an email and I
will be happy to explain more - this information is equipment specific - and to
be honest, I have no other equipment to check it with - I would assume that any
modern Linksys Gateway/Router/Switch would function pretty much as the BEFSX41
- and should function as well -