Cal Amp vanguard, User Manual

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LAN Settings

Ethernet IP Address
This sets the IP address of this device and is the address used to access the configuration pages. If the IP address
changes you will have to re-enter the new IP address in your browser to access the configuration pages. The
default IP is 192.168.1.50 and should be changed for security purposes.

Ethernet Subnet Mask
Sets the subnet mask for the LAN side of the modem to the device

LAN Masquerade
When enabled the Vanguard masquerades all Ethernet traffic to the LAN, making all WAN traffic appear as if it
originated from the Vanguard. This can be useful in applications where less-capable equipment on the local LAN
cannot cope with connections from multiple Host IP addresses

Bind Services to Eth IP
UDP datagrams or TCP sockets from services inside the Vanguard (Serial, IO, GPS) normally appear to come from
the interface (LAN or WAN) closest to the destination. Enable this option to force the source address to be the
LAN Ethernet IP address. This can be useful if packets are being sent through a VPN tunnel. Note that outside of a
tunnel, NAT may still force the source address to be rewritten to the WAN address.
DNS Resolving

DNS Auto
Selecting Enable will allow the servers set as DNS Server 1 or 2 to automatically resolve domain names to IP
addresses. These servers communicate with name servers by sending DNS queries and heeding DNS responses.
Selecting Disable will not allow DNS Sever 1 or 2 to resolve domain names.

DNS Server 1 IP Address
The Ethernet IP address of the preferred DNS server. The default address is 192.168.1.50, the same as the LAN
Ethernet IP Address for the modem. If the LAN Ethernet ID Address changes, the DNS Server 1 address will
automatically change to the same.

DNS Server 2 IP Address
Ethernet address of the alternate DNS server. The default is set to 0.0.0.0.
DHCP Configuration

DHCP
Dynamic Host Configuration Protocol; a protocol used by client devices that are connected to the LAN port of this
device to automatically obtain an IP address assigned by this device. Selecting Enable will configure this device to
assign IP addresses to client devices taken from a pool specified by the values entered in DHCP start range and
DHCP end range. Selecting Disable will turn off this DHCP server functionality

DHCP start range
DHCP server starting IP address. The default is set as 192.168.1.100