Toshiba e-studio191f, Service Manual

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DP-1910F
All symbolic names used for the destination are looked up in the network database file NETWORKS.
The symbolic names for the gateway are looked up in the host name database file HOSTS.
When the packet does not reach the specified destination even when the physical connection is
properly made, check the registered persistent routes on the same subnet as the Unit by typing “route
print” in the DOS command-line. The output display is shown below:
6. Host Name Query on DNS Server
Windows 2000 / XP / 2003 / Vista / 7 also has a tool that enables you to test DNS to verify that it is
working properly. This utility is not available on Windows 98/Me.
From the DOS command-line, type “NSLOOKUP” to display the following output:
NS(Name Server) Record in Domain
From the DOS command-line, type “Is -t NS <Domain Name>” to display the following output:
MX(Mail Exchange) Record in Domain
From the DOS command-line, type “Is -t MX <Domain Name>” to display the following output:
A (Address) Record in Domain
From the DOS command-line, type “Is -t A <Domain Name>” to display the following output:
(To leave from this menu, type “exit” on the command-line.)
7. Testing Unit Using the TELNET Command
TELNET is a terminal emulation protocol. TELNET enables PCs and workstations to function as dumb
terminals in sessions with hosts on internet works.
C:\WINDOWS>route print
Active Routes:
Network Address Netmask Gateway Address Interface Metric
0.0.0.0 0.0.0.0 192.168.3.254 192.168.3.2 1
127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1
192.168.3.0 255.255.255.0 192.168.3.2 192.168.3.2 1
192.168.3.2 255.255.255.255 127.0.0.1 127.0.0.1 1
192.168.3.255 255.255.255.255 192.168.3.2 192.168.3.2 1
224.0.0.0 224.0.0.0 192.168.3.2 192.168.3.2 1
255.255.255.255 255.255.255.255 192.168.3.2 192.168.3.2 1
C:\>nslookup
Default Server: sv1.labo.pcc.com
Address: 192.168.1.1
C:\>nslookup
Serveur implicite : sv1.labo.mgcs.com
Adresse : 192.168.1.1
>Is-t MX labo.mgcs.com.
[sv1.labo.mgcs.com]
labo.mgcs.com.
>Is-t A labo.mgcs.com
[sv1.labo.mgcs.com]
labo.mgcs.com. NS (serveur) = sv1.labo.mgcs.com
sv1
A 192.168.1.1
sv2 A 192.168.1.2
ec5 A 192.168.1.4
ec4 A 192.168.3.4
ef1 A 192.168.3.5