Chapter 47 Diagnostics
ZyWALL USG Series User’s Guide
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Figure 721 Maintenance > Diagnostics > Network Tool - Test Email Server
The following table describes the labels in this screen.
Table 412 Maintenance > Diagnostics > Network Tool
LABEL DESCRIPTION
Network Tool Select a network tool:
•Select NSLOOKUP IPv4 or NSLOOKUP IPv6 to perform name server lookup for querying
the Domain Name System (DNS) to get the domain name or IP address mapping.
•Select PING IPv4 or PING IPv6 to ping the IP address that you entered.
•Select TRACEROUTE IPv4 or TRACEROUTE IPv6 to run the traceroute function. This
determines the path a packet takes to the specified computer.
•Select Test Email Server to test access to an SMTP email server.
Domain Name or IP
Address
Type the IP address that you want to use to for the selected network tool.
Advance
Click this to display the following fields.
Query Server Enter the IP address of a server to which the Zyxel Device sends queries for NSLOOKUP.
Interface Select the interface through which the Zyxel Device sends queries for PING or
TRACEROUTE.
Extension Option Enter the extended option if you want to use an extended ping or traceroute
command. For example, enter “-c count” (where count is the number of ping
requests) to set how many times the Zyxel Device pings the destination IP address, or
enter “-w waittime” (where waittime is a time period in seconds) to set how long the
Zyxel Device waits for a response to a probe before running another traceroute.
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