Black Box TS560A, User Manual

Page: 38 / 67

35
DHCP Off (Manual) Mode
The tester uses the manually entered PING Setup
information. To determine the IP parameter
configuration of the LAN, the configuration of another
device on that LAN must be checked. On a Windows
®
PC, the command “IPconfig” can be used to determine
the IP addresses, Netmask, and Default Gateway
(router) being used. On a Linux
® computer, the same
information can be found using the “ifconfig” and
“route” commands. The Netmask and router
information can be entered just as displayed on the PC.
The value entered for MyIP must be similar, but not
identical to the PC’s IP address. The Netmask defines
the addresses that must be common between the PC and
the tester so they can communicate directly on the same
LAN segment. Use an IP address different by just a few
low-order digits in the low-order byte of the IP address.
Once all the manual parameters are set up, start the
PING test by pressing the NTWRK button twice. Then
press the SEL button. Once an active link is found, the
value entered for MyIP is checked for conflict. The
tester issues an ARP request directed to its proposed
MyIP address. A response to the ARP tells the tester that
CHAPTER 4: Functional Description